8897 Commits

Author SHA1 Message Date
Stefan Wahren
35f73cca1c clk: bcm: rpi: Fix error handling of raspberrypi_fw_get_rate
The function raspberrypi_fw_get_rate (e.g. used for the recalc_rate
hook) can fail to get the clock rate from the firmware. In this case
we cannot return a signed error value, which would be casted to
unsigned long. Fix this by returning 0 instead.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20220625083643.4012-1-stefan.wahren@i2se.com
Fixes: 4e85e535e6cc ("clk: bcm283x: add driver interfacing with Raspberry Pi's firmware")
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:17:12 -07:00
Jason Wang
3378d0cc93 clk: Fix comment typo
The double `to' is duplicated in the comment, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220811140030.28886-1-wangborong@cdjrlc.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:11:32 -07:00
Shubhrajyoti Datta
e8db788d68 clk: clocking-wizard: Update the compatible
Update the compatible to indicate support for both 5.2 and 6.0

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220411100443.15132-6-shubhrajyoti.datta@xilinx.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:07:19 -07:00
Shubhrajyoti Datta
dd5e7431ac clk: clocking-wizard: Fix the reconfig for 5.2
The 5.2 the reconfig is triggered by writing 7 followed by
2 to the reconfig reg. Add the same. Also 6.0 is backward
compatible so it should be fine.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220411100443.15132-5-shubhrajyoti.datta@xilinx.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:07:16 -07:00
Shubhrajyoti Datta
787ddddcbc clk: clocking-wizard: Rename nr-outputs to xlnx,nr-outputs
Rename nr-outputs to xlnx,output.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220411100443.15132-4-shubhrajyoti.datta@xilinx.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:07:13 -07:00
Shubhrajyoti Datta
c822490f52 clk: clocking-wizard: Move clocking-wizard out
Add clocking wizard driver to clk.
And delete the driver from the staging as it is in drivers/clk.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220411100443.15132-3-shubhrajyoti.datta@xilinx.com
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:07:10 -07:00
Miaoqian Lin
4e343bafe0 clk: tegra20: Fix refcount leak in tegra20_clock_init
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 37c26a906527 ("clk: tegra: add clock support for Tegra20")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220523152811.19692-1-linmq006@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:06:09 -07:00
Miaoqian Lin
db16a80c76 clk: tegra: Fix refcount leak in tegra114_clock_init
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 2cb5efefd6f7 ("clk: tegra: Implement clocks for Tegra114")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220523143834.7587-1-linmq006@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:05:35 -07:00
Miaoqian Lin
56c78cb1f0 clk: tegra: Fix refcount leak in tegra210_clock_init
of_find_matching_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: 6b301a059eb2 ("clk: tegra: Add support for Tegra210 clocks")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220523142608.65074-1-linmq006@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 19:05:02 -07:00
Shubhrajyoti Datta
8bdb15cd05 clk: zynqmp: Check the return type zynqmp_pm_query_data
Check the return type of zynqmp_pm_query_data(qdata, ret_payload);

Addresses-Coverity: Event check_return
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220406092211.19017-1-shubhrajyoti.datta@xilinx.com
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 17:01:05 -07:00
Shubhrajyoti Datta
6ab9810cfe clk: zynqmp: Add a check for NULL pointer
Add a NULL pointer check as clk_hw_get_parent can return NULL.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220518055314.2486-1-shubhrajyoti.datta@xilinx.com
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 17:01:05 -07:00
Shubhrajyoti Datta
acc1c732f3 clk: zynqmp: Replaced strncpy() with strscpy()
Replaced strncpy() with strscpy() as the clock names are supposed to
be NULL terminated.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220510070154.29528-2-shubhrajyoti.datta@xilinx.com
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 17:01:05 -07:00
Ian Nam
dd80fb2dbf clk: zynqmp: Fix stack-out-of-bounds in strncpy`
"BUG: KASAN: stack-out-of-bounds in strncpy+0x30/0x68"

Linux-ATF interface is using 16 bytes of SMC payload. In case clock name is
longer than 15 bytes, string terminated NULL character will not be received
by Linux. Add explicit NULL character at last byte to fix issues when clock
name is longer.

This fixes below bug reported by KASAN:

 ==================================================================
 BUG: KASAN: stack-out-of-bounds in strncpy+0x30/0x68
 Read of size 1 at addr ffff0008c89a7410 by task swapper/0/1

 CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.4.0-00396-g81ef9e7-dirty #3
 Hardware name: Xilinx Versal vck190 Eval board revA (QSPI) (DT)
 Call trace:
  dump_backtrace+0x0/0x1e8
  show_stack+0x14/0x20
  dump_stack+0xd4/0x108
  print_address_description.isra.0+0xbc/0x37c
  __kasan_report+0x144/0x198
  kasan_report+0xc/0x18
  __asan_load1+0x5c/0x68
  strncpy+0x30/0x68
  zynqmp_clock_probe+0x238/0x7b8
  platform_drv_probe+0x6c/0xc8
  really_probe+0x14c/0x418
  driver_probe_device+0x74/0x130
  __device_attach_driver+0xc4/0xe8
  bus_for_each_drv+0xec/0x150
  __device_attach+0x160/0x1d8
  device_initial_probe+0x10/0x18
  bus_probe_device+0xe0/0xf0
  device_add+0x528/0x950
  of_device_add+0x5c/0x80
  of_platform_device_create_pdata+0x120/0x168
  of_platform_bus_create+0x244/0x4e0
  of_platform_populate+0x50/0xe8
  zynqmp_firmware_probe+0x370/0x3a8
  platform_drv_probe+0x6c/0xc8
  really_probe+0x14c/0x418
  driver_probe_device+0x74/0x130
  device_driver_attach+0x94/0xa0
  __driver_attach+0x70/0x108
  bus_for_each_dev+0xe4/0x158
  driver_attach+0x30/0x40
  bus_add_driver+0x21c/0x2b8
  driver_register+0xbc/0x1d0
  __platform_driver_register+0x7c/0x88
  zynqmp_firmware_driver_init+0x1c/0x24
  do_one_initcall+0xa4/0x234
  kernel_init_freeable+0x1b0/0x24c
  kernel_init+0x10/0x110
  ret_from_fork+0x10/0x18

 The buggy address belongs to the page:
 page:ffff0008f9be1c88 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0
 raw: 0008d00000000000 ffff0008f9be1c90 ffff0008f9be1c90 0000000000000000
 raw: 0000000000000000 0000000000000000 00000000ffffffff
 page dumped because: kasan: bad access detected

 addr ffff0008c89a7410 is located in stack of task swapper/0/1 at offset 112 in frame:
  zynqmp_clock_probe+0x0/0x7b8

 this frame has 3 objects:
  [32, 44) 'response'
  [64, 80) 'ret_payload'
  [96, 112) 'name'

 Memory state around the buggy address:
  ffff0008c89a7300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  ffff0008c89a7380: 00 00 00 00 f1 f1 f1 f1 00 04 f2 f2 00 00 f2 f2
 >ffff0008c89a7400: 00 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
                          ^
  ffff0008c89a7480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  ffff0008c89a7500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ==================================================================

Signed-off-by: Ian Nam <young.kwan.nam@xilinx.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220510070154.29528-3-shubhrajyoti.datta@xilinx.com
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 17:01:05 -07:00
Shubhrajyoti Datta
d3954b51b4 clk: zynqmp: make bestdiv unsigned
Divisor is always positive make it u32 *.
Also the arguments passed are currently of u32 pointers.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
Link: https://lore.kernel.org/r/20220818113153.14431-1-shubhrajyoti.datta@amd.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 16:54:14 -07:00
Wolfram Sang
c19edff612 clk: move from strlcpy with unused retval to strscpy
Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220818210000.6600-1-wsa+renesas@sang-engineering.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 16:22:53 -07:00
Chen-Yu Tsai
4b592061f7 clk: core: Fix runtime PM sequence in clk_core_unprepare()
In the original commit 9a34b45397e5 ("clk: Add support for runtime PM"),
the commit message mentioned that pm_runtime_put_sync() would be done
at the end of clk_core_unprepare(). This mirrors the operations in
clk_core_prepare() in the opposite order.

However, the actual code that was added wasn't in the order the commit
message described. Move clk_pm_runtime_put() to the end of
clk_core_unprepare() so that it is in the correct order.

Fixes: 9a34b45397e5 ("clk: Add support for runtime PM")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220822081424.1310926-3-wenst@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 16:17:46 -07:00
Chen-Yu Tsai
35b0fac808 clk: core: Honor CLK_OPS_PARENT_ENABLE for clk gate ops
In the previous commits that added CLK_OPS_PARENT_ENABLE, support for
this flag was only added to rate change operations (rate setting and
reparent) and disabling unused subtree. It was not added to the
clock gate related operations. Any hardware driver that needs it for
these operations will either see bogus results, or worse, hang.

This has been seen on MT8192 and MT8195, where the imp_ii2_* clk
drivers set this, but dumping debugfs clk_summary would cause it
to hang.

Fixes: fc8726a2c021 ("clk: core: support clocks which requires parents enable (part 2)")
Fixes: a4b3518d146f ("clk: core: support clocks which requires parents enable (part 1)")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220822081424.1310926-2-wenst@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 16:17:46 -07:00
Lukas Bulwahn
ba6165bc83 dt-bindings: clock: Move versaclock.h to dt-bindings/clock
Most of the clock related dt-binding header files are located in
dt-bindings/clock folder. It would be good to keep all the similar
header files at a single location.

This was discovered while investigating the state of ownership of the
files in include/dt-bindings/ according to the MAINTAINERS file.

This change here is similar to commit 8e28918a85a0 ("dt-bindings: clock:
Move ti-dra7-atl.h to dt-bindings/clock") and commit 35d35aae8177
("dt-bindings: clock: Move at91.h to dt-bindigs/clock").

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220613081632.2159-3-lukas.bulwahn@gmail.com
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 16:04:01 -07:00
Lukas Bulwahn
0384759b3d dt-bindings: clock: Move lochnagar.h to dt-bindings/clock
Most of the clock-related dt-binding header files are located in
include/dt-bindings/clock. It would be good to keep all the similar
header files at a single location.

This was discovered while investigating the state of ownership of the files
in include/dt-bindings/ according to the MAINTAINERS file.

This change here is similar to commit 8e28918a85a0 ("dt-bindings: clock:
Move ti-dra7-atl.h to dt-bindings/clock") and commit 35d35aae8177
("dt-bindings: clock: Move at91.h to dt-bindigs/clock").

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220613081632.2159-2-lukas.bulwahn@gmail.com
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-22 16:04:00 -07:00
Biju Das
57746e9934 clk: renesas: r9a07g044: Add conditional compilation for r9a07g044_cpg_info
Add conditional compilation for struct r9a07g044_cpg_info, so the
compiler won't allocate any memory for this variable in case
CONFIG_CLK_R9A07G044 is disabled.

Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220804082605.157269-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2022-08-22 09:47:36 +02:00
Wolfram Sang
1e56ebc987 clk: renesas: r8a779f0: Add TMU and parent SASYNC clocks
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220726210110.1444-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2022-08-22 09:47:06 +02:00
Liang He
91e6455bf7 clk: sprd: Hold reference returned by of_get_parent()
We should hold the reference returned by of_get_parent() and use it
to call of_node_put() for refcount balance.

Fixes: f95e8c7923d1 ("clk: sprd: support to get regmap from parent node")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220704004729.272481-1-windhl@126.com
Reviewed-by: Orson Zhai <orsonzhai@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:50:24 -07:00
Liang He
37c381b812 clk: berlin: Add of_node_put() for of_get_parent()
In berlin2_clock_setup() and berlin2q_clock_setup(), we need to
call of_node_put() for the reference returned by of_get_parent()
which has increased the refcount. We should call *_put() in fail
path or when it is not used anymore.

Fixes: 26b3b6b959b2 ("clk: berlin: prepare simple-mfd conversion")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220708084900.311684-1-windhl@126.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:50:24 -07:00
Liang He
b3ff02c5df clk: at91: dt-compat: Hold reference returned by of_get_parent()
We need to hold the reference returned by of_get_parent() and use
it to call of_node_put() for refcount balance.

Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220630143949.218922-1-windhl@126.com
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:42:10 -07:00
Liang He
a8ea4273bc clk: qoriq: Hold reference returned by of_get_parent()
In legacy_init_clockgen(), we need to hold the reference returned
by of_get_parent() and use it to call of_node_put() for refcount
balance.

Beside, in create_sysclk(), we need to call of_node_put() on 'sysclk'
also for refcount balance.

Fixes: 0dfc86b3173f ("clk: qoriq: Move chip-specific knowledge into driver")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220628143851.171299-1-windhl@126.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:41:47 -07:00
Liang He
1d6aa08c54 clk: oxnas: Hold reference returned by of_get_parent()
In oxnas_stdclk_probe(), we need to hold the reference returned by
of_get_parent() and use it to call of_node_put() for refcount
balance.

Fixes: 0bbd72b4c64f ("clk: Add Oxford Semiconductor OXNAS Standard Clocks")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220628143155.170550-1-windhl@126.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:35:43 -07:00
Liang He
429973306f clk: st: Hold reference returned by of_get_parent()
We should hold the reference returned by of_get_parent() and use it
to call of_node_put() for refcount balance.

Fixes: 3efe64ef5186 ("clk: st: clkgen-fsyn: search reg within node or parent")
Fixes: 810251b0d36a ("clk: st: clkgen-mux: search reg within node or parent")

Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220628142416.169808-1-windhl@126.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:34:44 -07:00
Liang He
02bd544f98 clk: tegra: Add missing of_node_put()
In tegra124_132_clock_init_pre() and tegra30_clock_init(),
of_find_matching_node() will return a node pointer with
refcount incremented. We should use of_node_put() when it
is not used anymore.

Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220617015918.4001865-1-windhl@126.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:30:28 -07:00
Liang He
89ab396d71 clk: meson: Hold reference returned by of_get_parent()
We should hold the reference returned by of_get_parent() and use it
to call of_node_put() for refcount balance.

Fixes: 88e2da81241e ("clk: meson: aoclk: refactor common code into dedicated file")
Fixes: 6682bd4d443f ("clk: meson: factorise meson64 peripheral clock controller drivers")
Fixes: bb6eddd1d28c ("clk: meson: meson8b: use the HHI syscon if available")

Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220628141038.168383-1-windhl@126.com
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:29:00 -07:00
Liang He
28a0b0984e clk: nomadik: Add missing of_node_put()
In nomadik_src_init(), of_find_matching_node() will return a node
pointer with refcount incremented. We should use of_node_put() in
fail path or when it is not used anymore.

Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220617014308.4001511-1-windhl@126.com
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:24:27 -07:00
Tony Lindgren
26f2da0d2f clk: ti: Fix missing of_node_get() ti_find_clock_provider()
For ti_find_clock_provider() we want to return the np with refcount
incremented. However we are missing of_node_get() for the
clock-output-names case that causes refcount warnings.

Fixes: 51f661ef9a10 ("clk: ti: Add ti_find_clock_provider() to use clock-output-names")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20220621091118.33930-1-tony@atomide.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-08-19 14:21:55 -07:00
Johan Hovold
f6d373ff28 clk: gcc-sc8280xp: keep USB power-domains always-on
The Qualcomm DWC3 driver suspend implementation appears to be incomplete
for SC8280XP so keep the USB power domains always-on for now so that the
controller survives a suspend cycle.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220805121250.10347-3-johan+linaro@kernel.org
2022-08-18 14:12:03 -05:00
Johan Hovold
12d2a47693 clk: gcc-sc8280xp: keep PCIe power-domains always-on
The Qualcomm PCIe driver does not yet implement suspend so to keep the
PCIe power domains always-on for now to avoid crashing during resume.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220805121250.10347-2-johan+linaro@kernel.org
2022-08-18 14:12:02 -05:00
Uwe Kleine-König
ed5c2f5fd1 i2c: Make remove callback return void
The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.

Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-08-16 12:46:26 +02:00
Wolfram Sang
32fb542554 clk: renesas: r8a779f0: Add CMT clocks
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220713101447.3804-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2022-08-15 11:09:08 +02:00
Wolfram Sang
9b5dd1ff70 clk: renesas: r8a779f0: Add SDH0 clock
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220711134656.277730-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2022-08-15 11:08:54 +02:00
Linus Torvalds
36001a2fa6 The clk core gains a new set of APIs that allow drivers to both acquire clks
and prepare and enable them at the same time. This also comes with devm support
 so that drivers can make a single call to get and prepare and enable the clk
 and have that all undone when their driver is removed. Many folks have
 requested this feature over the years, but we've had disagreements about how to
 implement it and if it was worthwhile to encourage drivers to use such an API.
 Now it's here, so let's see how it goes. I hope that by introducing this API we
 can identify drivers that would benefit from further consolidation of clk API
 usage, possibly by moving such logic to the bus layer and out of drivers
 altogether.
 
 Outside of that major API update, we have the usual collection of driver
 updates. A few new SoCs are supported, mostly Qualcomm and Renesas this time
 around. Then we have the long tail of non-critical fixes and minor feature
 additions to various clk drivers. And finally more clk provider migration to
 struct clk_parent_data, reducing boot times in the process.
 
 Core:
  - devm helpers for clk_get() + clk_prepare() and clk_enable()
 
 New Drivers:
  - Support for the camera clock controller in Qualcomm SM8450 and
    the display and gpu clock controllers in Qualcomm SM8350
  - Add support for the Renesas RZ/Five SoC
 
 Updates:
  - Various fixes, new clocks and USB GDSCs are introduced for Qualcomm IPQ8074
  - Fixes to Qualcomm MSM8939 for issues introduced by inheriting the MSM8916
    GCC driver
  - Support for a new type of voteable GDSCs used by Qualcomm SC8280XP PCIe
    GDSCs
  - Qualcomm SC8280XP pipe clocks transitioned to the new phy-mux implementation
  - Qualcomm MSM8996 GCC, RPM clock driver and some clocks in MSM8994 GCC are
    migrated to use clk_parent_data
  - Corrected the topology for Titan (camera) GDSCs on Qualcomm SDM845 and
    SM8250
  - Qualcomm MSM8916 gains more possible frequencies for its GP clocks.
  - The GCC and tsens handling on Qualcomm MSM8960 is reworked to mimic the
    design in IPQ8074 to allow the GCC driver to probe earlier.
  - The regulator based mmcx supply for Qualcomm dispcc and videocc is dropped,
    as the only upstream target that adapted this interface was transitioned
    several kernel versions ago
  - Qualcomm GDSCs found to be enabled at boot will now reflect in the enable
    count of the supply, as was done with the regulator supplies previously
  - Correct adc1, nic_media and edma1's parents for NXP i.MX93
  - rdiv, mfd values, the return rate in recalc_rate and add more frequencies in
    the table for fracn-gppll on i.MX
  - Remove Allwinner workaround logic/compatible in fixed factor code
  - MediaTek clk driver cleanups
  - Add reset support to more MediaTek clk drivers
  - deduplicate Allwinner ccu_clks arrays
  - Allwinner H6 GPU DFS support
  - Adjust Allwinner Kconfig to limit choice
  - Fix initconst confusion on Renesas R-Car Gen4
  - Add GPT/POEG (PWM) clocks and resets on Renesas RZ/G2L
  - Add PFC and WDT clocks and resets on Renesas RZ/V2M
  - Add thermal, SDHI, Z (CPU core), PCIe, and HSCIF (serial) clocks on
    Renesas R-Car S4-8
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The clk core gains a new set of APIs that allow drivers to both
  acquire clks and prepare and enable them at the same time. This also
  comes with devm support so that drivers can make a single call to get
  and prepare and enable the clk and have that all undone when their
  driver is removed.

  Many folks have requested this feature over the years, but we've had
  disagreements about how to implement it and if it was worthwhile to
  encourage drivers to use such an API.

  Now it's here, so let's see how it goes.

  I hope that by introducing this API we can identify drivers that would
  benefit from further consolidation of clk API usage, possibly by
  moving such logic to the bus layer and out of drivers altogether.

  Outside of that major API update, we have the usual collection of
  driver updates. A few new SoCs are supported, mostly Qualcomm and
  Renesas this time around. Then we have the long tail of non-critical
  fixes and minor feature additions to various clk drivers.

  And finally more clk provider migration to struct clk_parent_data,
  reducing boot times in the process.

  Summary:

  Core:

   - devm helpers for clk_get() + clk_prepare() and clk_enable()

  New Drivers:

   - Support for the camera clock controller in Qualcomm SM8450 and the
     display and gpu clock controllers in Qualcomm SM8350

   - Add support for the Renesas RZ/Five SoC

  Updates:

   - Various fixes, new clocks and USB GDSCs are introduced for Qualcomm
     IPQ8074

   - Fixes to Qualcomm MSM8939 for issues introduced by inheriting the
     MSM8916 GCC driver

   - Support for a new type of voteable GDSCs used by Qualcomm SC8280XP
     PCIe GDSCs

   - Qualcomm SC8280XP pipe clocks transitioned to the new phy-mux
     implementation

   - Qualcomm MSM8996 GCC, RPM clock driver and some clocks in MSM8994
     GCC are migrated to use clk_parent_data

   - Corrected the topology for Titan (camera) GDSCs on Qualcomm SDM845
     and SM8250

   - Qualcomm MSM8916 gains more possible frequencies for its GP clocks.

   - The GCC and tsens handling on Qualcomm MSM8960 is reworked to mimic
     the design in IPQ8074 to allow the GCC driver to probe earlier.

   - The regulator based mmcx supply for Qualcomm dispcc and videocc is
     dropped, as the only upstream target that adapted this interface
     was transitioned several kernel versions ago

   - Qualcomm GDSCs found to be enabled at boot will now reflect in the
     enable count of the supply, as was done with the regulator supplies
     previously

   - Correct adc1, nic_media and edma1's parents for NXP i.MX93

   - rdiv, mfd values, the return rate in recalc_rate and add more
     frequencies in the table for fracn-gppll on i.MX

   - Remove Allwinner workaround logic/compatible in fixed factor code

   - MediaTek clk driver cleanups

   - Add reset support to more MediaTek clk drivers

   - deduplicate Allwinner ccu_clks arrays

   - Allwinner H6 GPU DFS support

   - Adjust Allwinner Kconfig to limit choice

   - Fix initconst confusion on Renesas R-Car Gen4

   - Add GPT/POEG (PWM) clocks and resets on Renesas RZ/G2L

   - Add PFC and WDT clocks and resets on Renesas RZ/V2M

   - Add thermal, SDHI, Z (CPU core), PCIe, and HSCIF (serial) clocks on
     Renesas R-Car S4-8"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (124 commits)
  clk: fixed-factor: Introduce *clk_hw_register_fixed_factor_parent_hw()
  clk: mux: Introduce devm_clk_hw_register_mux_parent_hws()
  clk: divider: Introduce devm_clk_hw_register_divider_parent_hw()
  clk: qcom: gcc-msm8994: use parent_hws for gpll0/4
  clk: qcom: clk-rpm: convert to parent_data API
  dt-bindings: clock: fix wrong clock documentation for qcom,rpmcc
  clk: qcom: gcc-msm8939: Add missing USB HS system clock frequencies
  clk: qcom: gcc-msm8939: Add missing MDSS MDP clock frequencies
  clk: qcom: gcc-msm8939: Add missing CAMSS CPP clock frequencies
  clk: qcom: gcc-msm8939: Fix venus0_vcodec0_clk frequency definitions
  clk: qcom: gcc-msm8939: Add missing CAMSS CCI bus clock
  clk: qcom: gcc-msm8939: Fix weird field spacing in ftbl_gcc_camss_cci_clk
  clk: qcom: gdsc: Bump parent usage count when GDSC is found enabled
  clk: qcom: Drop mmcx gdsc supply for dispcc and videocc
  clk: qcom: fix build error initializer element is not constant
  clk: sprd: Add dt-bindings include file for UMS512
  dt-bindings: clk: sprd: Add bindings for ums512 clock controller
  clk: sunxi-ng: sun50i: h6: Modify GPU clock configuration to support DFS
  dt-bindings: clock: qcom,gcc-msm8996: add more GCC clock sources
  clk: qcom: add support for SM8350 DISPCC
  ...
2022-08-04 18:40:08 -07:00
Linus Torvalds
5f0848190c platform-drivers-x86 for v6.0-1
Highlights:
  -  Microsoft Surface:
     - SSAM hot unplug support
     - Surface Pro 8 keyboard cover support
     - Tablet mode switch support for Surface Pro 8 and Surface Laptop Studio
  -  thinkpad_acpi: AMD Automatice Mode Transitions (AMT) support
  -  Mellanox:
     - Vulcan chassis COMe NVSwitch management support
     - XH3000 support
  - New generic/shared Intel P2SB (Primary to Sideband) support
  - Lots of small cleanups
  - Various small bugfixes
  - Various new hardware ids / quirks additions
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  video: Fix acpi_video_handles_brightness_key_presses()
  -  video: Change how we determine if brightness key-presses are handled
 
 Documentation/ABI:
  -  Add new attributes for mlxreg-io sysfs interfaces
  -  mlxreg-io: Fix contact info
 
 Drop the PMC_ATOM Kconfig option:
  - Drop the PMC_ATOM Kconfig option
 
 EDAC, pnd2:
  -  convert to use common P2SB accessor
  -  Use proper I/O accessors and address space annotation
 
 HID:
  -  surface-hid: Add support for hot-removal
 
 ISST:
  -  PUNIT device mapping with Sub-NUMA clustering
 
 Kconfig:
  -  Remove unnecessary "if X86"
 
 MAINTAINERS:
  -  repair file entry in MICROSOFT SURFACE AGGREGATOR TABLET-MODE SWITCH
 
 Merge tag 'ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-v5.20' into review-hans:
  - Merge tag 'ib-mfd-edac-i2c-leds-pinctrl-platform-watchdog-v5.20' into review-hans
 
 Move AMD platform drivers to separate directory:
  - Move AMD platform drivers to separate directory
 
 acer-wmi:
  -  Use backlight helper
 
 acer_wmi:
  -  Cleanup Kconfig selects
 
 apple-gmux:
  -  Use backlight helper
 
 asus-wmi:
  -  Add mic-mute LED classdev support
  -  Add key mappings
 
 compal-laptop:
  -  Use backlight helper
 
 efi:
  -  Fix efi_power_off() not being run before acpi_power_off() when necessary
 
 gigabyte-wmi:
  -  add support for B660I AORUS PRO DDR4
 
 hp-wmi:
  -  Ignore Sanitization Mode event
 
 i2c:
  -  i801: convert to use common P2SB accessor
 
 ideapad-laptop:
  -  Add Ideapad 5 15ITL05 to ideapad_dytc_v4_allow_table[]
  -  Add allow_v4_dytc module parameter
 
 intel/pmc:
  -  Add Alder Lake N support to PMC core driver
 
 intel_atomisp2_led:
  -  Also turn off the always-on camera LED on the Asus T100TAF
 
 leds:
  -  simatic-ipc-leds-gpio: Add GPIO version of Siemens driver
  -  simatic-ipc-leds: Convert to use P2SB accessor
 
 mfd:
  -  lpc_ich: Add support for pinctrl in non-ACPI system
  -  lpc_ich: Switch to generic p2sb_bar()
  -  lpc_ich: Factor out lpc_ich_enable_spi_write()
 
 mlx-platform:
  -  Add COME board revision register
  -  Add support for new system XH3000
  -  Introduce support for COMe NVSwitch management module for Vulcan chassis
  -  Add support for systems equipped with two ASICs
  -  Add cosmetic changes for alignment
  -  Make activation of some drivers conditional
 
 p2sb:
  -  Move out of X86_PLATFORM_DEVICES dependency
 
 panasonic-laptop:
  -  Use acpi_video_get_backlight_type()
  -  filter out duplicate volume up/down/mute keypresses
  -  don't report duplicate brightness key-presses
  -  revert "Resolve hotkey double trigger bug"
  -  sort includes alphabetically
  -  de-obfuscate button codes
 
 pinctrl:
  -  intel: Check against matching data instead of ACPI companion
 
 platform/mellanox:
  -  mlxreg-lc: Fix error flow and extend verbosity
  -  mlxreg-io: Add locking for io operations
  -  nvsw-sn2201: fix error code in nvsw_sn2201_create_static_devices()
 
 platform/olpc:
  -  Fix uninitialized data in debugfs write
 
 platform/surface:
  -  gpe: Add support for 13" Intel version of Surface Laptop 4
  -  tabletsw: Fix __le32 integer access
  -  Update copyright year of various drivers
  -  aggregator: Move subsystem hub drivers to their own module
  -  aggregator: Move device registry helper functions to core module
  -  aggregator_registry: Add support for tablet mode switch on Surface Laptop Studio
  -  aggregator_registry: Add support for tablet mode switch on Surface Pro 8
  -  Add KIP/POS tablet-mode switch driver
  -  aggregator: Add helper macros for requests with argument and return value
  -  aggregator: Reserve more event- and target-categories
  -  avoid flush_scheduled_work() usage
  -  aggregator_registry: Add support for keyboard cover on Surface Pro 8
  -  aggregator_registry: Add KIP device hub
  -  aggregator_registry: Change device ID for base hub
  -  aggregator_registry: Generify subsystem hub functionality
  -  aggregator: Add comment for KIP subsystem category
  -  aggregator_registry: Use client device wrappers for notifier registration
  -  aggregator: Allow notifiers to avoid communication on unregistering
  -  aggregator: Allow devices to be marked as hot-removed
  -  aggregator: Allow is_ssam_device() to be used when CONFIG_SURFACE_AGGREGATOR_BUS is disabled
 
 platform/x86/amd/pmc:
  -  Add new platform support
  -  Add new acpi id for PMC controller
 
 platform/x86/dell:
  -  Kconfig: Remove unnecessary "depends on X86_PLATFORM_DEVICES"
 
 platform/x86/intel:
  -  Add Primary to Sideband (P2SB) bridge support
 
 platform/x86/intel/ifs:
  -  Mark as BROKEN
 
 platform/x86/intel/pmt:
  -  telemetry: Fix fixed region handling
 
 platform/x86/intel/vsec:
  -  Fix wrong type for local status variables
  -  Add PCI error recovery support to Intel PMT
  -  Add support for Raptor Lake
  -  Rework early hardware code
 
 pmc_atom:
  -  Fix comment typo
  -  Match all Lex BayTrail boards with critclk_systems DMI table
 
 power/supply:
  -  surface_battery: Use client device wrappers for notifier registration
  -  surface_charger: Use client device wrappers for notifier registration
 
 serial-multi-instantiate:
  -  Sort ACPI IDs by HID
  -  Get rid of redundant 'else'
  -  Use while (i--) pattern to clean up
  -  Improve dev_err_probe() messaging
  -  Drop duplicate check
  -  Improve autodetection
 
 simatic-ipc:
  -  drop custom P2SB bar code
 
 sony-laptop:
  -  Remove useless comparisons in sony_pic_read_possible_resource()
 
 system76_acpi:
  -  Use dev_get_drvdata
 
 thinkpad_acpi:
  -  Enable AMT by default on supported systems
  -  Add support for hotkey 0x131a
  -  Add support for automatic mode transitions
  -  profile capabilities as integer
  -  do not use PSC mode on Intel platforms
  -  Fix a memory leak of EFCH MMIO resource
  -  Replace custom str_on_off() etc
  -  Sort headers for better maintenance
  -  Use backlight helper
 
 tools/power/x86/intel-speed-select:
  -  Remove unneeded semicolon
  -  Fix off by one check
 
 watchdog:
  -  simatic-ipc-wdt: convert to use P2SB accessor
 
 x86-android-tablets:
  -  Fix Lenovo Yoga Tablet 2 830/1050 poweroff again
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Merge tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - Microsoft Surface:
     - SSAM hot unplug support
     - Surface Pro 8 keyboard cover support
     - Tablet mode switch support for Surface Pro 8 and Surface Laptop
       Studio

 - thinkpad_acpi:
     - AMD Automatice Mode Transitions (AMT) support

 - Mellanox:
     - Vulcan chassis COMe NVSwitch management support
     - XH3000 support

 - New generic/shared Intel P2SB (Primary to Sideband) support

 - Lots of small cleanups

 - Various small bugfixes

 - Various new hardware ids / quirks additions

* tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (105 commits)
  platform/x86/intel/vsec: Fix wrong type for local status variables
  platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency
  platform/x86: pmc_atom: Fix comment typo
  platform/surface: gpe: Add support for 13" Intel version of Surface Laptop 4
  platform/olpc: Fix uninitialized data in debugfs write
  platform/mellanox: mlxreg-lc: Fix error flow and extend verbosity
  platform/x86: pmc_atom: Match all Lex BayTrail boards with critclk_systems DMI table
  platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource()
  tools/power/x86/intel-speed-select: Remove unneeded semicolon
  tools/power/x86/intel-speed-select: Fix off by one check
  platform/surface: tabletsw: Fix __le32 integer access
  Documentation/ABI: Add new attributes for mlxreg-io sysfs interfaces
  Documentation/ABI: mlxreg-io: Fix contact info
  platform/mellanox: mlxreg-io: Add locking for io operations
  platform/x86: mlx-platform: Add COME board revision register
  platform/x86: mlx-platform: Add support for new system XH3000
  platform/x86: mlx-platform: Introduce support for COMe NVSwitch management module for Vulcan chassis
  platform/x86: mlx-platform: Add support for systems equipped with two ASICs
  platform/x86: mlx-platform: Add cosmetic changes for alignment
  platform/x86: mlx-platform: Make activation of some drivers conditional
  ...
2022-08-04 18:19:14 -07:00
Linus Torvalds
c1c76700a0 SPDX changes for 6.0-rc1
Here is the set of SPDX comment updates for 6.0-rc1.
 
 Nothing huge here, just a number of updated SPDX license tags and
 cleanups based on the review of a number of common patterns in GPLv2
 boilerplate text.  Also included in here are a few other minor updates,
 2 USB files, and one Documentation file update to get the SPDX lines
 correct.
 
 All of these have been in the linux-next tree for a very long time.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx

Pull SPDX updates from Greg KH:
 "Here is the set of SPDX comment updates for 6.0-rc1.

  Nothing huge here, just a number of updated SPDX license tags and
  cleanups based on the review of a number of common patterns in GPLv2
  boilerplate text.

  Also included in here are a few other minor updates, two USB files,
  and one Documentation file update to get the SPDX lines correct.

  All of these have been in the linux-next tree for a very long time"

* tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits)
  Documentation: samsung-s3c24xx: Add blank line after SPDX directive
  x86/crypto: Remove stray comment terminator
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2)
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1)
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE
  treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE
  ...
2022-08-04 12:12:54 -07:00
Linus Torvalds
665fe72a7d linux-kselftest-kunit-5.20-rc1
This KUnit update for Linux 5.20-rc1 consists of several fixes and an
 important feature to discourage running KUnit tests on production
 systems. Running tests on a production system could leave the system
 in a bad state. This new feature adds:
 
 - adds a new taint type, TAINT_TEST to signal that a test has been run.
   This should discourage people from running these tests on production
   systems, and to make it easier to tell if tests have been run
   accidentally (by loading the wrong configuration, etc.)
 
 - several documentation and tool enhancements and fixes.
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Merge tag 'linux-kselftest-kunit-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit updates from Shuah Khan:
 "This consists of several fixes and an important feature to discourage
  running KUnit tests on production systems. Running tests on a
  production system could leave the system in a bad state.

  Summary:

   - Add a new taint type, TAINT_TEST to signal that a test has been
     run.

     This should discourage people from running these tests on
     production systems, and to make it easier to tell if tests have
     been run accidentally (by loading the wrong configuration, etc)

   - Several documentation and tool enhancements and fixes"

* tag 'linux-kselftest-kunit-5.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
  Documentation: KUnit: Fix example with compilation error
  Documentation: kunit: Add CLI args for kunit_tool
  kcsan: test: Add a .kunitconfig to run KCSAN tests
  kunit: executor: Fix a memory leak on failure in kunit_filter_tests
  clk: explicitly disable CONFIG_UML_PCI_OVER_VIRTIO in .kunitconfig
  mmc: sdhci-of-aspeed: test: Use kunit_test_suite() macro
  nitro_enclaves: test: Use kunit_test_suite() macro
  thunderbolt: test: Use kunit_test_suite() macro
  kunit: flatten kunit_suite*** to kunit_suite** in .kunit_test_suites
  kunit: unify module and builtin suite definitions
  selftest: Taint kernel when test module loaded
  module: panic: Taint the kernel when selftest modules load
  Documentation: kunit: fix example run_kunit func to allow spaces in args
  Documentation: kunit: Cleanup run_wrapper, fix x-ref
  kunit: test.h: fix a kernel-doc markup
  kunit: tool: Enable virtio/PCI by default on UML
  kunit: tool: make --kunitconfig repeatable, blindly concat
  kunit: add coverage_uml.config to enable GCOV on UML
  kunit: tool: refactor internal kconfig handling, allow overriding
  kunit: tool: introduce --qemu_args
  ...
2022-08-02 19:34:45 -07:00
Stephen Boyd
08fc500fe3 Merge branch 'clk-allwinner' into clk-next
* clk-allwinner:
  clk: sunxi-ng: sun50i: h6: Modify GPU clock configuration to support DFS
  clk: sunxi: Do not select the PRCM MFD
  clk: sunxi: Limit legacy clocks to 32-bit ARM
  clk: sunxi-ng: Deduplicate ccu_clks arrays
2022-08-02 12:20:51 -07:00
Stephen Boyd
dfcbbd73dd Merge branches 'clk-renesas', 'clk-spreadtrum', 'clk-imx' and 'clk-qcom' into clk-next
* clk-renesas: (22 commits)
  clk: renesas: rcar-gen4: Fix initconst confusion for cpg_pll_config
  clk: renesas: r9a07g043: Add support for RZ/Five SoC
  dt-bindings: clock: r9a07g043-cpg: Add Renesas RZ/Five CPG Clock and Reset Definitions
  clk: renesas: r8a779f0: Add HSCIF clocks
  clk: renesas: r8a779f0: Add PCIe clocks
  clk: renesas: r8a779f0: Add Z0 and Z1 clock support
  dt-bindings: clock: renesas,rzg2l: Simplify header file references
  clk: renesas: rza1: Remove struct rz_cpg
  clk: renesas: r8a7779: Remove struct r8a7779_cpg
  clk: renesas: r8a7778: Remove struct r8a7778_cpg
  clk: renesas: sh73a0: Remove sh73a0_cpg.reg
  clk: renesas: r8a7740: Remove r8a7740_cpg.reg
  clk: renesas: r8a73a4: Remove r8a73a4_cpg.reg
  clk: renesas: r8a779f0: Add SDHI0 clock
  clk: renesas: r8a779f0: Add thermal clock
  clk: renesas: rzg2l: Fix reset status function
  clk: renesas: r9a06g032: Fix UART clkgrp bitsel
  clk: renesas: r9a06g032: Drop some unused fields
  clk: renesas: r9a09g011: Add WDT clock and reset entries
  clk: renesas: r9a09g011: Add PFC clock and reset entries
  ...

* clk-spreadtrum:
  clk: sprd: Add dt-bindings include file for UMS512
  dt-bindings: clk: sprd: Add bindings for ums512 clock controller

* clk-imx:
  clk: imx: clk-fracn-gppll: Add more freq config for video pll
  clk: imx: clk-fracn-gppll: correct rdiv
  clk: imx: clk-fracn-gppll: Return rate in rate table properly in ->recalc_rate()
  clk: imx: clk-fracn-gppll: fix mfd value
  clk: imx93: Correct the edma1's parent clock
  clk: imx93: correct nic_media parent
  clk: imx93: use adc_root as the parent clock of adc1

* clk-qcom: (62 commits)
  clk: qcom: gcc-msm8994: use parent_hws for gpll0/4
  clk: qcom: clk-rpm: convert to parent_data API
  dt-bindings: clock: fix wrong clock documentation for qcom,rpmcc
  clk: qcom: gcc-msm8939: Add missing USB HS system clock frequencies
  clk: qcom: gcc-msm8939: Add missing MDSS MDP clock frequencies
  clk: qcom: gcc-msm8939: Add missing CAMSS CPP clock frequencies
  clk: qcom: gcc-msm8939: Fix venus0_vcodec0_clk frequency definitions
  clk: qcom: gcc-msm8939: Add missing CAMSS CCI bus clock
  clk: qcom: gcc-msm8939: Fix weird field spacing in ftbl_gcc_camss_cci_clk
  clk: qcom: gdsc: Bump parent usage count when GDSC is found enabled
  clk: qcom: Drop mmcx gdsc supply for dispcc and videocc
  clk: qcom: fix build error initializer element is not constant
  dt-bindings: clock: qcom,gcc-msm8996: add more GCC clock sources
  clk: qcom: add support for SM8350 DISPCC
  clk: qcom: add support for SM8350 GPUCC
  clk: qcom: add camera clock controller driver for SM8450 SoC
  clk: qcom: clk-alpha-pll: add Rivian EVO PLL configuration interfaces
  clk: qcom: clk-alpha-pll: add Lucid EVO PLL configuration interfaces
  clk: qcom: clk-alpha-pll: limit exported symbols to GPL licensed code
  clk: qcom: clk-alpha-pll: fix clk_trion_pll_configure description
  ...
2022-08-02 12:20:33 -07:00
Stephen Boyd
f04ed3d9f8 Merge branches 'clk-basic', 'clk-mtk', 'clk-devm-enable' and 'clk-ti-dt' into clk-next
- Remove allwinner workaround logic/compatible in fixed factor code
 - MediaTek clk driver cleanups
 - Add reset support to more MediaTek clk drivers
 - devm helpers for clk_get() + clk_prepare() and clk_enable()

* clk-basic:
  clk: fixed-factor: Introduce *clk_hw_register_fixed_factor_parent_hw()
  clk: mux: Introduce devm_clk_hw_register_mux_parent_hws()
  clk: divider: Introduce devm_clk_hw_register_divider_parent_hw()
  dt-bindings: clock: fixed-factor: Drop Allwinner A10 compatible
  clk: fixed: Remove Allwinner A10 special-case logic

* clk-mtk:
  clk: mediatek: reset: Add infra_ao reset support for MT8186
  dt-bindings: arm: mediatek: Add #reset-cells property for MT8186
  dt-bindings: reset: mediatek: Add infra_ao reset index for MT8186
  clk: mediatek: reset: Add infra_ao reset support for MT8192/MT8195
  dt-bindings: reset: mediatek: Add infra_ao reset index for MT8192/MT8195
  dt-bindings: arm: mediatek: Add #reset-cells property for MT8192/MT8195
  clk: mediatek: reset: Add reset support for simple probe
  clk: mediatek: reset: Add new register reset function with device
  clk: mediatek: reset: Change return type for clock reset register function
  clk: mediatek: reset: Support inuput argument index mode
  clk: mediatek: reset: Support nonsequence base offsets of reset registers
  clk: mediatek: reset: Revise structure to control reset register
  clk: mediatek: reset: Merge and revise reset register function
  clk: mediatek: reset: Extract common drivers to update function
  clk: mediatek: reset: Refine and reorder functions in reset.c
  clk: mediatek: reset: Fix written reset bit offset
  clk: mediatek: reset: Add reset.h
  clk: mediatek: Delete MT8192 msdc gate
  dt-bindings: ARM: Mediatek: Remove msdc binding of MT8192 clock

* clk-devm-enable:
  clk: Remove never used devm_clk_*unregister()
  clk: Fix pointer casting to prevent oops in devm_clk_release()
  clk: meson: axg-audio: Don't duplicate devm_clk_get_enabled()
  clk: Provide new devm_clk helpers for prepared and enabled clocks
  clk: generalize devm_clk_get() a bit
  clk: Improve documentation for devm_clk_get() and its optional variant

* clk-ti-dt:
  clk: ti: Stop using legacy clkctrl names for omap4 and 5
2022-08-02 12:19:18 -07:00
Linus Torvalds
47b62edcd4 ARM: SoC drivers for 6.0
The SoC driver updates contain changes to improve support for
 additional SoC variants, as well as cleanups an minor bugfixes
 in a number of existing drivers.
 
 Notable updates this time include:
 
  - Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers
 
  - Updates for interconnect drivers on Qualcomm Snapdragon
 
  - A new driver support for NMI interrupts on Fujitsu A64fx
 
  - A rework of Broadcom BCMBCA Kconfig dependencies
 
  - Improved support for BCM2711 (Raspberry Pi 4) power management
    to allow the use of the V3D GPU
 
  - Cleanups to the NXP guts driver
 
  - Arm SCMI firmware driver updates to add tracing support, and
    use the firmware interfaces for system power control and for
    power capping.
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Merge tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC drivers from Arnd Bergmann:
 "The SoC driver updates contain changes to improve support for
  additional SoC variants, as well as cleanups an minor bugfixes
  in a number of existing drivers.

  Notable updates this time include:

   - Support for Qualcomm MSM8909 (Snapdragon 210) in various drivers

   - Updates for interconnect drivers on Qualcomm Snapdragon

   - A new driver support for NMI interrupts on Fujitsu A64fx

   - A rework of Broadcom BCMBCA Kconfig dependencies

   - Improved support for BCM2711 (Raspberry Pi 4) power management to
     allow the use of the V3D GPU

   - Cleanups to the NXP guts driver

   - Arm SCMI firmware driver updates to add tracing support, and use
     the firmware interfaces for system power control and for power
     capping"

* tag 'arm-drivers-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (125 commits)
  soc: a64fx-diag: disable modular build
  dt-bindings: soc: qcom: qcom,smd-rpm: add power-controller
  dt-bindings: soc: qcom: aoss: document qcom,sm8450-aoss-qmp
  dt-bindings: soc: qcom,rpmh-rsc: simplify qcom,tcs-config
  ARM: mach-qcom: Add support for MSM8909
  dt-bindings: arm: cpus: Document "qcom,msm8909-smp" enable-method
  soc: qcom: spm: Add CPU data for MSM8909
  dt-bindings: soc: qcom: spm: Add MSM8909 CPU compatible
  soc: qcom: rpmpd: Add compatible for MSM8909
  dt-bindings: power: qcom-rpmpd: Add MSM8909 power domains
  soc: qcom: smd-rpm: Add compatible for MSM8909
  dt-bindings: soc: qcom: smd-rpm: Add MSM8909
  soc: qcom: icc-bwmon: Remove unnecessary print function dev_err()
  soc: fujitsu: Add A64FX diagnostic interrupt driver
  soc: qcom: socinfo: Fix the id of SA8540P SoC
  soc: qcom: Make QCOM_RPMPD depend on PM
  tty: serial: bcm63xx: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  spi: bcm63xx-hsspi: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  clk: bcm: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  hwrng: bcm2835: bcmbca: Replace ARCH_BCM_63XX with ARCH_BCMBCA
  ...
2022-08-02 08:10:10 -07:00
Marijn Suijten
6ebd5247ad clk: fixed-factor: Introduce *clk_hw_register_fixed_factor_parent_hw()
Add the devres and non-devres variant of
clk_hw_register_fixed_factor_parent_hw() for registering a fixed factor
clock with clk_hw parent pointer instead of parent name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20220629225331.357308-4-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-07-29 16:44:08 -07:00
Jernej Skrabec
8dc592c41f clk: sunxi-ng: Fix H6 RTC clock definition
While RTC clock was added in H616 ccu_common list, it was not in H6
list. That caused invalid pointer dereference like this:

Unable to handle kernel NULL pointer dereference at virtual address 000000000000020c
Mem abort info:
  ESR = 0x96000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000004
  CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000004d574000
[000000000000020c] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 96000004 [#1] PREEMPT SMP
CPU: 3 PID: 339 Comm: cat Tainted: G    B             5.18.0-rc1+ #1352
Hardware name: Tanix TX6 (DT)
pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ccu_gate_is_enabled+0x48/0x74
lr : ccu_gate_is_enabled+0x40/0x74
sp : ffff80000c0b76d0
x29: ffff80000c0b76d0 x28: 00000000016e3600 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000002 x24: ffff00000952fe08
x23: ffff800009611400 x22: ffff00000952fe79 x21: 0000000000000000
x20: 0000000000000001 x19: ffff80000aad6f08 x18: 0000000000000000
x17: 2d2d2d2d2d2d2d2d x16: 2d2d2d2d2d2d2d2d x15: 2d2d2d2d2d2d2d2d
x14: 0000000000000000 x13: 00000000f2f2f2f2 x12: ffff700001816e89
x11: 1ffff00001816e88 x10: ffff700001816e88 x9 : dfff800000000000
x8 : ffff80000c0b7447 x7 : 0000000000000001 x6 : ffff700001816e88
x5 : ffff80000c0b7440 x4 : 0000000000000001 x3 : ffff800008935c50
x2 : dfff800000000000 x1 : 0000000000000000 x0 : 000000000000020c
Call trace:
 ccu_gate_is_enabled+0x48/0x74
 clk_core_is_enabled+0x7c/0x1c0
 clk_summary_show_subtree+0x1dc/0x334
 clk_summary_show_subtree+0x250/0x334
 clk_summary_show_subtree+0x250/0x334
 clk_summary_show_subtree+0x250/0x334
 clk_summary_show_subtree+0x250/0x334
 clk_summary_show+0x90/0xdc
 seq_read_iter+0x248/0x6d4
 seq_read+0x17c/0x1fc
 full_proxy_read+0x90/0xf0
 vfs_read+0xdc/0x28c
 ksys_read+0xc8/0x174
 __arm64_sys_read+0x44/0x5c
 invoke_syscall+0x60/0x190
 el0_svc_common.constprop.0+0x7c/0x160
 do_el0_svc+0x38/0xa0
 el0_svc+0x68/0x160
 el0t_64_sync_handler+0x10c/0x140
 el0t_64_sync+0x18c/0x190
Code: d1006260 97e5c981 785e8260 8b0002a0 (b9400000)
---[ end trace 0000000000000000 ]---

Fix that by adding rtc clock to H6 ccu_common list too.

Fixes: 38d321b61bda ("clk: sunxi-ng: h6-r: Add RTC gate clock")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220719183725.2605141-1-jernej.skrabec@gmail.com
Reviewed-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-07-27 16:45:58 -07:00
Herve Codina
25c2a075eb clk: lan966x: Fix the lan966x clock gate register address
The register address used for the clock gate register is the base
register address coming from first reg map (ie. the generic
clock registers) instead of the second reg map defining the clock
gate register.

Use the correct clock gate register address.

Fixes: 5ad5915dea00 ("clk: lan966x: Extend lan966x clock driver for clock gating support")
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20220704102845.168438-2-herve.codina@bootlin.com
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2022-07-19 00:04:10 -07:00
Dmitry Baryshkov
5e1e12d299 clk: qcom: gcc-msm8994: use parent_hws for gpll0/4
Use parent_hws for two remaining clocks in gcc-msm8994 that used
parent_names.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220620080505.1573948-1-dmitry.baryshkov@linaro.org
2022-07-18 21:40:36 -05:00
Christian Marangi
129d9cd9c2 clk: qcom: clk-rpm: convert to parent_data API
Convert clk-rpm driver to parent_data API.
We keep the old pxo/cxo_board parent naming to keep compatibility with
old DT and we use the new pxo/cxo for new implementation where these
clock are defined in DTS.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220706225321.26215-4-ansuelsmth@gmail.com
2022-07-18 19:13:27 -05:00
Bryan O'Donoghue
873b985384 clk: qcom: gcc-msm8939: Add missing USB HS system clock frequencies
The shipped qcom driver defines:
static struct clk_freq_tbl ftbl_gcc_usb_hs_system_clk[] = {
        F(  57140000,      gpll0_out_main,  14,    0,    0),
        F(  80000000,      gpll0_out_main,  10,   0,    0),
        F( 100000000,      gpll0_out_main,   8,   0,    0),
        F_END
};
In the upstream code we omit 57.14 MHz and 100 MHz.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220712125922.3461675-7-bryan.odonoghue@linaro.org
2022-07-18 18:55:31 -05:00