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Pull Renesas clk driver fixes from Geert Uytterhoeven:
- Fix inverted logic in RZ/G2L .is_enabled() function
* tag 'renesas-clk-for-v5.15-tag3' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
clk: renesas: rzg2l: Fix clk status function
clk: renesas: r9a07g044: Mark IA55_CLK and DMAC_ACLK critical
As per RZ/G2L HW(Rev.0.50) manual, clock monitor register value
0 means clock is not supplied and 1 means clock is supplied.
This patch fixes the issue by removing the inverted logic.
Fixing the above, triggered following 2 issues
1) GIC interrupts don't work if we disable IA55_CLK and DMAC_ACLK.
Fixed this issue by adding these clocks as critical clocks.
2) DMA is not working, since the DMA driver is not turning on DMAC_PCLK.
So will provide a fix in the DMA driver to turn on DMA_PCLK.
Fixes: ef3c613ccd ("clk: renesas: Add CPG core wrapper for RZ/G2L SoC")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20210922112405.26413-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Pull clk fix from Stephen Boyd:
"One patch to fix an unused variable warning in a Qualcomm clk driver"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gcc-sm6350: Remove unused variable
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Add support for registering devices via MFD cells to Simple MFD (I2C)
New Drivers:
- Add support for Renesas Synchronization Management Unit (SMU)
New Device Support:
- Add support for N5010 to Intel M10 BMC
- Add support for Cannon Lake to Intel LPSS ACPI
- Add support for Samsung SSG{1,2} to ST-Ericsson's U8500 family
- Add support for TQMx110EB and TQMxE40x to TQ-Systems PLD TQMx86
New Functionality:
- Add support for GPIO to Intel LPC ICH
- Add support for Reset to Texas Instruments TPS65086
Fix-ups:
- Trivial, sorting, whitespace, renaming, etc; mt6360-core, db8500-prcmu-regs, tqmx86
- Device Tree fiddling; syscon, axp20x, qcom,pm8008, ti,tps65086, brcm,cru
- Use proper APIs for IRQ map resolution; ab8500-core, stmpe, tc3589x, wm8994-irq
- Pass 'supplied-from' property through axp288_fuel_gauge via swnode
- Remove unused file entry; MAINTAINERS
- Make interrupt line optional; tps65086
- Rename db8500-cpuidle driver symbol; db8500-prcmu
- Remove support for unused hardware; tqmx86
- Provide a standard LPC clock frequency for unknown boards; tqmx86
- Remove unused code; ti_am335x_tscadc
- Use of_iomap() instead of ioremap(); syscon
Bug Fixes:
- Clear GPIO IRQ resource flags when no IRQ is set; tqmx86
- Fix incorrect/misleading frequencies; db8500-prcmu
- Mitigate namespace clash with other GPIOBASE users"
* tag 'mfd-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (31 commits)
mfd: lpc_sch: Rename GPIOBASE to prevent build error
mfd: syscon: Use of_iomap() instead of ioremap()
dt-bindings: mfd: Add Broadcom CRU
mfd: ti_am335x_tscadc: Delete superfluous error message
mfd: tqmx86: Assume 24MHz LPC clock for unknown boards
mfd: tqmx86: Add support for TQ-Systems DMI IDs
mfd: tqmx86: Add support for TQMx110EB and TQMxE40x
mfd: tqmx86: Fix typo in "platform"
mfd: tqmx86: Remove incorrect TQMx90UC board ID
mfd: tqmx86: Clear GPIO IRQ resource when no IRQ is set
mfd: simple-mfd-i2c: Add support for registering devices via MFD cells
mfd/cpuidle: ux500: Rename driver symbol
mfd: tps65086: Add cell entry for reset driver
mfd: tps65086: Make interrupt line optional
dt-bindings: mfd: Convert tps65086.txt to YAML
MAINTAINERS: Adjust ARM/NOMADIK/Ux500 ARCHITECTURES to file renaming
mfd: db8500-prcmu: Handle missing FW variant
mfd: db8500-prcmu: Rename register header
mfd: axp20x: Add supplied-from property to axp288_fuel_gauge cell
mfd: Don't use irq_create_mapping() to resolve a mapping
...
Pull MIPS updates from Thomas Bogendoerfer:
- converted Pistachio platform to use MIPS generic kernel
- fixes and cleanups
* tag 'mips_5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (29 commits)
MIPS: Malta: fix alignment of the devicetree buffer
MIPS: ingenic: Unconditionally enable clock of CPU #0
MIPS: mscc: ocelot: mark the phy-mode for internal PHY ports
MIPS: mscc: ocelot: disable all switch ports by default
MAINTAINERS: adjust PISTACHIO SOC SUPPORT after its retirement
MIPS: Return true/false (not 1/0) from bool functions
MIPS: generic: Return true/false (not 1/0) from bool functions
MIPS: Make a alias for pistachio_defconfig
MIPS: Retire MACH_PISTACHIO
MIPS: config: generic: Add config for Marduk board
pinctrl: pistachio: Make it as an option
phy: pistachio-usb: Depend on MIPS || COMPILE_TEST
clocksource/drivers/pistachio: Make it selectable for MIPS
clk: pistachio: Make it selectable for generic MIPS kernel
MIPS: DTS: Pistachio add missing cpc and cdmm
MIPS: generic: Allow generating FIT image for Marduk board
MIPS: locking/atomic: Fix atomic{_64,}_sub_if_positive
MIPS: loongson2ef: don't build serial.o unconditionally
MIPS: Replace deprecated CPU-hotplug functions.
MIPS: Alchemy: Fix spelling contraction "cant" -> "can't"
...
Pull clk updates from Stephen Boyd:
"Nothing changed in the clk framework core this time around. We did get
some updates to the basic clk types to use determine_rate for the
divider type and add a power of two fractional divider flag though.
Otherwise, this is a collection of clk driver updates. More than half
the diffstat is in the Qualcomm clk driver where we add a bunch of
data to describe clks on various SoCs and fix bugs. The other big new
thing in here is the Mediatek MT8192 clk driver. That's been under
review for a while and it's nice to see that it's finally upstream.
Beyond that it's the usual set of minor fixes and tweaks to clk
drivers. There are some non-clk driver bits in here which have all
been acked by the respective maintainers.
New Drivers:
- Support video, gpu, display clks on qcom sc7280 SoCs
- GCC clks on qcom MSM8953, SM4250/6115, and SM6350 SoCs
- Multimedia clks (MMCC) on qcom MSM8994/MSM8992
- RPMh clks on qcom SM6350 SoCs
- Support for Mediatek MT8192 SoCs
- Add display (DU and DSI) clocks on Renesas R-Car V3U
- Add I2C, DMAC, USB, sound (SSIF-2), GPIO, CANFD, and ADC clocks and
resets on Renesas RZ/G2L
Updates:
- Support the SD/OE pin on IDT VersaClock 5 and 6 clock generators
- Add power of two flag to fractional divider clk type
- Migrate some clk drivers to clk_divider_ops.determine_rate
- Migrate to clk_parent_data in gcc-sdm660
- Fix CLKOUT clocks on i.MX8MM and i.MX8MN by using imx_clk_hw_mux2
- Switch from .round_rate to .determine_rate in clk-divider-gate
- Fix clock tree update for TF-A controlled clocks for all i.MX8M
- Add missing M7 core clock for i.MX8MN
- YAML conversion of rk3399 clock controller binding
- Removal of GRF dependency for the rk3328/rk3036 pll types
- Drop CLK_IS_CRITICAL flag from Tegra fuse clk
- Make CLK_R9A06G032 Kconfig symbol invisible
- Convert various DT bindings to YAML"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (128 commits)
dt-bindings: clock: samsung: fix header path in example
clk: tegra: fix old-style declaration
clk: qcom: Add SM6350 GCC driver
MAINTAINERS: clock: include S3C and S5P in Samsung SoC clock entry
dt-bindings: clock: samsung: convert S5Pv210 AudSS to dtschema
dt-bindings: clock: samsung: convert Exynos AudSS to dtschema
dt-bindings: clock: samsung: convert Exynos4 to dtschema
dt-bindings: clock: samsung: convert Exynos3250 to dtschema
dt-bindings: clock: samsung: convert Exynos542x to dtschema
dt-bindings: clock: samsung: add bindings for Exynos external clock
dt-bindings: clock: samsung: convert Exynos5250 to dtschema
clk: vc5: Add properties for configuring SD/OE behavior
clk: vc5: Use dev_err_probe
dt-bindings: clk: vc5: Add properties for configuring the SD/OE pin
dt-bindings: clock: brcm,iproc-clocks: fix armpll properties
clk: zynqmp: Fix kernel-doc format
clk: at91: clk-generated: Limit the requested rate to our range
clk: ralink: avoid to set 'CLK_IS_CRITICAL' flag for gates
clk: zynqmp: Fix a memory leak
clk: zynqmp: Check the return type
...
- Support the SD/OE pin on IDT VersaClock 5 and 6 clock generators
* clk-nvidia:
clk: tegra: fix old-style declaration
clk: tegra: Remove CLK_IS_CRITICAL flag from fuse clock
soc/tegra: fuse: Enable fuse clock on suspend for Tegra124
soc/tegra: fuse: Add runtime PM support
soc/tegra: fuse: Clear fuse->clk on driver probe failure
soc/tegra: pmc: Prevent racing with cpuilde driver
soc/tegra: bpmp: Remove unused including <linux/version.h>
* clk-rockchip:
clk: rockchip: make rk3308 ddrphy4x clock critical
clk: rockchip: drop GRF dependency for rk3328/rk3036 pll types
dt-bindings: clk: Convert rockchip,rk3399-cru to DT schema
clk: rockchip: Add support for hclk_sfc on rk3036
clk: rockchip: rk3036: fix up the sclk_sfc parent error
clk: rockchip: add dt-binding clkid for hclk_sfc on rk3036
* clk-at91:
clk: at91: clk-generated: Limit the requested rate to our range
* clk-vc5:
clk: vc5: Add properties for configuring SD/OE behavior
clk: vc5: Use dev_err_probe
dt-bindings: clk: vc5: Add properties for configuring the SD/OE pin
- Add power of two flag to fractional divider clk type
* clk-frac-divider:
clk: fractional-divider: Document the arithmetics used behind the code
clk: fractional-divider: Introduce POWER_OF_TWO_PS flag
clk: fractional-divider: Hide clk_fractional_divider_ops from wide audience
clk: fractional-divider: Export approximation algorithm to the CCF users
Pull clk fix from Stephen Boyd:
"One hotfix for a NULL pointer deref in the Renesas usb clk driver"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: renesas: rcar-usb2-clock-sel: Fix kernel NULL pointer dereference
With extra warnings enabled, gcc complains about a slightly odd
prototype:
drivers/clk/tegra/clk-dfll.c:1380:1: error: 'inline' is not at beginning of declaration [-Werror=old-style-declaration]
1380 | static void inline dfll_debug_init(struct tegra_dfll *td) { }
Move the 'inline' keyword to the start of the line.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210322215047.1062540-1-arnd@kernel.org
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The SD/OE pin may be configured to enable output when high or low, and
to shutdown the device when high. This behavior is controller by the SH
and SP bits of the Primary Source and Shutdown Register (and to a lesser
extent the OS and OE bits). By default, both bits are 0 (unless set by
OTP memory), but they may need to be configured differently, depending
on the external circuitry controlling the SD/OE pin.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20210809223813.3766204-3-sean.anderson@seco.com
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Align structure and function names with definitions.
Issues are reported by kernel-doc script as:
drivers/clk/zynqmp/clk-gate-zynqmp.c:24: warning: expecting prototype for
struct clk_gate. Prototype was for struct zynqmp_clk_gate instead
drivers/clk/zynqmp/clk-gate-zynqmp.c:75: warning: expecting prototype for
zynqmp_clk_gate_is_enable(). Prototype was for zynqmp_clk_gate_is_enabled()
instead
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/26526e144296373b2c75e75865dd023158f9bfc7.1629718424.git.michal.simek@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
'clk_init_data' for gates is setting up 'CLK_IS_CRITICAL'
flag for all of them. This was being doing because some
drivers of this SoC might not be ready to use the clock
and we don't wanted the kernel to disable them since default
behaviour without clock driver was to set all gate bits to
enabled state. After a bit more testing and checking driver
code it is safe to remove this flag and just let the kernel
to disable those gates that are not in use. No regressions
seems to appear.
Fixes: 48df7a26f4 ("clk: ralink: add clock driver for mt7621 SoC")
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20210727055537.11785-1-sergio.paracuellos@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
The probe was manually passing NULL instead of dev to devm_clk_hw_register.
This caused a Unable to handle kernel NULL pointer dereference error.
Fix this by passing 'dev'.
Signed-off-by: Adam Ford <aford173@gmail.com>
Fixes: a20a40a8bb ("clk: renesas: rcar-usb2-clock-sel: Fix error handling in .probe()")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Since a few kernel releases the Pogoplug 4 has crashed like this
during boot:
Unable to handle kernel NULL pointer dereference at virtual address 00000002
(...)
[<c04116ec>] (strlen) from [<c00ead80>] (kstrdup+0x1c/0x4c)
[<c00ead80>] (kstrdup) from [<c04591d8>] (__clk_register+0x44/0x37c)
[<c04591d8>] (__clk_register) from [<c04595ec>] (clk_hw_register+0x20/0x44)
[<c04595ec>] (clk_hw_register) from [<c045bfa8>] (__clk_hw_register_mux+0x198/0x1e4)
[<c045bfa8>] (__clk_hw_register_mux) from [<c045c050>] (clk_register_mux_table+0x5c/0x6c)
[<c045c050>] (clk_register_mux_table) from [<c0acf3e0>] (kirkwood_clk_muxing_setup.constprop.0+0x13c/0x1ac)
[<c0acf3e0>] (kirkwood_clk_muxing_setup.constprop.0) from [<c0aceae0>] (of_clk_init+0x12c/0x214)
[<c0aceae0>] (of_clk_init) from [<c0ab576c>] (time_init+0x20/0x2c)
[<c0ab576c>] (time_init) from [<c0ab3d18>] (start_kernel+0x3dc/0x56c)
[<c0ab3d18>] (start_kernel) from [<00000000>] (0x0)
Code: e3130020 1afffffb e12fff1e c08a1078 (e5d03000)
This is because the "powersave" mux clock 0 was provided in an unterminated
array, which is required by the loop in the driver:
/* Count, allocate, and register clock muxes */
for (n = 0; desc[n].name;)
n++;
Here n will go out of bounds and then call clk_register_mux() on random
memory contents after the mux clock.
Fix this by terminating the array with a blank entry.
Fixes: 105299381d ("cpufreq: kirkwood: use the powersave multiplexer")
Cc: stable@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20210814235514.403426-1-linus.walleij@linaro.org
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Commit 5658e8cf1a ("clk: qcom: add video clock controller driver for
SM8150") and commit 0e94711a1f ("clk: qcom: add video clock controller
driver for SM8250") add config SM_VIDEOCC_8150 and config SM_VIDEOCC_8250,
which select the non-existing configs SDM_GCC_8150 and SDM_GCC_8250,
respectively.
Hence, ./scripts/checkkconfigsymbols.py warns:
SDM_GCC_8150
Referencing files: drivers/clk/qcom/Kconfig
SDM_GCC_8250
Referencing files: drivers/clk/qcom/Kconfig
It is probably just a typo (or naming confusion of using SM_GCC_xxx and
SDM_GCC_xxx for various Qualcomm clock drivers) in the config definitions
for config SM_VIDEOCC_8150 and SM_VIDEOCC_8250, and intends to select the
existing SM_GCC_8150 and SM_GCC_8250, respectively.
Adjust the selects to the existing configs.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20210816135930.11810-1-lukas.bulwahn@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Using parent_data and parent_hws, instead of parent_names, does protect
against some cases of incompletely defined clock trees. While it turns
out that the bug being chased this time was totally unrelated, this
patch converts the SDM660 GCC driver to avoid such issues.
The "xo" fixed_factor clock is unused within the gcc driver, but
referenced from the DSI PHY. So it's left in place until the DSI driver
is updated.
Tested-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210825204517.1278130-1-bjorn.andersson@linaro.org
[sboyd@kernel.org: Reduce diff by moving enum and tables back to
original position in previous patch]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
In the next patch we're going to change these tables to reference the
PLL structures directly. Let's move them here so the diff is easier to
read. No functional change in this patch.
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
On the i.MX8M*, the TF-A exposes a SiP (Silicon Provider) service
for DDR frequency scaling. The imx8m-ddrc-devfreq driver calls the
SiP and then does clk_set_parent on the DDR muxes to synchronize
the clock tree.
Since 936c383673 ("clk: imx: fix composite peripheral flags"),
these TF-A managed muxes have SET_PARENT_GATE set, which results
in imx8m-ddrc-devfreq's clk_set_parent after SiP failing with -EBUSY:
echo 25000000 > userspace/set_freq
imx8m-ddrc-devfreq 3d400000.memory-controller: failed to set
dram_apb parent: -16
Fix this by adding a new i.MX composite flag for firmware managed
clocks, which clears SET_PARENT_GATE.
This is safe to do, because updating the Linux clock tree to reflect
reality will always be glitch-free.
Fixes: 936c383673 ("clk: imx: fix composite peripheral flags")
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20210810151432.9228-1-a.fatoum@pengutronix.de
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Pull clk driver fixes from Stephen Boyd:
- Make the regulator state match the GDSC power domain state at boot on
Qualcomm SoCs so that the regulator isn't turned off inadvertently.
- Fix earlycon on i.MX6Q SoCs
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: gdsc: Ensure regulator init state matches GDSC state
clk: imx6q: fix uart earlycon unwork
At least one user currently duplicates some functions that are provided
by fractional divider module. Let's export approximation algorithm and
replace the open-coded variant.
As a bonus the exported function will get better documentation in place.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20210812170025.67074-1-andriy.shevchenko@linux.intel.com
[sboyd@kernel.org: Add header guard because why not]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
