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Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
'struct sdhci_iproc_acpi_ids' becomes defined but unused.
Fixes the following W=1 kernel build warning:
mmc/host/sdhci-iproc.c:297:36: warning: ‘sdhci_iproc_acpi_ids’ defined but not used [-Wunused-const-variable=]
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Scott Branden <scott.branden@broadcom.com>
Link: https://lore.kernel.org/r/20200707064701.GC3500@dell
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The variable 'found' is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200706163031.503431-1-colin.king@canonical.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
cqhci_host_alloc_tdl()'s function header is the only one in
kerneldoc format. Which seems odd as it's not part of an
external API and isn't referenced anywhere else. Seeing as
there has also been no attempt to describe the expected
function arguments either, we're going to assume that this is
not actually a bona fide kerneldoc use-case.
Fixes the following W=1 kernel build warning:
drivers/mmc/host/cqhci.c:163: warning: Function parameter or member 'cq_host' not described in 'cqhci_host_alloc_tdl'
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ritesh Harjani <riteshh@codeaurora.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Cc: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200701124702.908713-15-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
__sdhci_msm_set_clock()'s function header is the only one in
kerneldoc format. Which seems odd as it's not part of an
external API and isn't referenced anywhere else. Seeing as
there has also been no attempt to describe the expected
function arguments either, we're going to assume that this is
not actually a bona fide kerneldoc use-case.
Fixes the following W=1 kernel build warnings:
drivers/mmc/host/sdhci-msm.c:1595: warning: Function parameter or member 'host' not described in '__sdhci_msm_set_clock'
drivers/mmc/host/sdhci-msm.c:1595: warning: Function parameter or member 'clock' not described in '__sdhci_msm_set_clock'
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200701124702.908713-14-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Kerneldoc expects arg descriptions to be in the format '@.*: '. If either
the '@' or the ':' is omitted then kerneldoc complains that the description
is missing. Add the missing ':' here and provide a new description for
'value'.
Fixes the following kernel build W=1 warnings:
drivers/mmc/host/sdhci-of-arasan.c:1394: warning: Function parameter or member 'host' not described in 'sdhci_arasan_update_support64b'
drivers/mmc/host/sdhci-of-arasan.c:1394: warning: Function parameter or member 'value' not described in 'sdhci_arasan_update_support64b'
drivers/mmc/host/sdhci-msm.c:1887:6: warning: no previous prototype for ‘sdhci_msm_dump_vendor_regs’ [-Wmissing-prototypes]
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Xiaobo Xie <X.Xie@freescale.com>
Cc: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Soeren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200701124702.908713-12-lee.jones@linaro.org
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Seeing as sd_wait_data_idle() returns void and only a very specific
read value is checked, there doesn't seem to be a good reason to
check the return value of rtsx_pci_read_register(). So remove
the assignment and definition of 'err'.
Squashes the following W=1 kernel build warning:
drivers/mmc/host/rtsx_usb_sdmmc.c: In function ‘sd_wait_data_idle’:
drivers/mmc/host/rtsx_usb_sdmmc.c:657:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable]
657 | int err, i;
| ^~~
Cc: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200701124702.908713-11-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Seeing as sd_wait_data_idle() returns void and only a very specific
read value is checked, there doesn't seem to be a good reason to
check the return value of rtsx_pci_read_register(). So remove
the assignment and definition of 'err'.
Squashes the following W=1 kernel build warning:
drivers/mmc/host/rtsx_pci_sdmmc.c: In function ‘sd_wait_data_idle’:
drivers/mmc/host/rtsx_pci_sdmmc.c:678:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable]
678 | int err, i;
| ^~~
Cc: Wei WANG <wei_wang@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200701124702.908713-10-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Provide missing documentation for dw_mci_exynos_suspend_noirq() and
dw_mci_exynos_resume_noirq() function headers.
Fixes the following W=1 kernel build warnings:
drivers/mmc/host/dw_mmc-exynos.c:184: warning: Function parameter or member 'dev' not described in 'dw_mci_exynos_suspend_noirq'
drivers/mmc/host/dw_mmc-exynos.c:200: warning: Function parameter or member 'dev' not described in 'dw_mci_exynos_resume_noirq'
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Link: https://lore.kernel.org/r/20200701124702.908713-9-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
'sg_len' and 'dma_conf' are missing correct kerneldoc documentation and
'buf_phys_addr' was misspelled. Correcting these issues fixes the
following W=1 kernel build issues:
mmc/host/atmel-mci.c:352: warning: Function parameter or member 'sg_len' not described in 'atmel_mci'
mmc/host/atmel-mci.c:352: warning: Function parameter or member 'buf_phys_addr' not described in 'atmel_mci'
mmc/host/atmel-mci.c:352: warning: Function parameter or member 'dma_conf' not described in 'atmel_mci'
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200701124702.908713-7-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
No other function in the file is documented using kerneldoc and no
effort to document the function arguments have been made. It's a
bit of an oddity to say the least. Let's downgrade it from
kerneldoc to a standard comment block instead.
Fixes the following W=1 kernel build warning:
drivers/mmc/host/mtk-sd.c:1030: warning: Function parameter or member 'host' not described in 'msdc_recheck_sdio_irq'
Cc: Chaotian Jing <chaotian.jing@mediatek.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: linux-mediatek@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20200701124702.908713-6-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Describe properties; ext_cd_irq, clk_rates and no_divider (x2).
Squashes the following W=1 kernel build warnings:
drivers/mmc/host/sdhci-s3c.c:126: warning: Function parameter or member 'ext_cd_irq' not described in 'sdhci_s3c'
drivers/mmc/host/sdhci-s3c.c:126: warning: Function parameter or member 'clk_rates' not described in 'sdhci_s3c'
drivers/mmc/host/sdhci-s3c.c:126: warning: Function parameter or member 'no_divider' not described in 'sdhci_s3c'
drivers/mmc/host/sdhci-s3c.c:139: warning: Function parameter or member 'no_divider' not described in 'sdhci_s3c_drv_data'
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Link: https://lore.kernel.org/r/20200701124702.908713-5-lee.jones@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Fix sparse build warning:
drivers/mmc/host/sdhci-msm.c:1888:6: warning:
symbol 'sdhci_msm_dump_vendor_regs' was not declared. Should it be static?
Signed-off-by: Hulk Robot <hulkci@huawei.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200702020347.77214-1-weiyongjun1@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
If this controller doesn't issue interrupt for response of command,
this driver lacks to call dma_unmap_sg(). So, fix the issue by
using end() of struct tmio_mmc_dma_ops.
Reported-by: Takeshi Saito <takeshi.saito.xv@renesas.com>
Fixes: 2a68ea7896 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1590044466-28372-4-git-send-email-yoshihiro.shimoda.uh@renesas.com
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To add end() operation in the future, clean the code of
renesas_sdhi_internal_dmac_complete_tasklet_fn(). No behavior change.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1590044466-28372-3-git-send-email-yoshihiro.shimoda.uh@renesas.com
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Related drivers like renesas_sdhi_internal_dmac are possible
to lack dma unmaping in error cases (for example response timeout).
Since tmio_mmc_finish_request() will be always called in any case,
to fix the issue, add end operation into struct tmio_mmc_dma_ops and
call the operation in tmio_mmc_finish_request() to call dma_ummap API
by the related drivers correctly.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1590044466-28372-2-git-send-email-yoshihiro.shimoda.uh@renesas.com
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
On qcom SD host controllers voltage switching be done after the HW
is ready for it. The HW informs its readiness through power irq.
The voltage switching should happen only then.
Use the internal voltage switching and then control the voltage
switching using power irq.
IO-bus supply of eMMC would be kept always-on. So set the load
for this supply to configure it in LPM when eMMC is suspend state
and in HPM when eMMC is active.
Co-developed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Co-developed-by: Vijay Viswanath <vviswana@codeaurora.org>
Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org>
Co-developed-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/1592919288-1020-4-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
If vendor platform drivers are controlling whole logic of voltage
switching, then sdhci driver no need control vqmmc regulator.
So skip enabling/disable vqmmc from SDHC driver.
Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org>
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1592919288-1020-2-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
HS400/HS200/eMMC HS doesn't have Preset Value register.
Hence, sdhci_set_ios function overrides the value set by fmw to
SDHCI_CTRL_DRV_TYPE_B.
This patch sets drv_type to MMC_SET_DRIVER_TYPE_A
so that host_control2 register gets updated with the required
strength value.
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200623133347.4598-1-akshu.agrawal@amd.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
USDHC of i.MX has internal IC debug register, which record the IC
logical status. So dump these logical status in error condition,
this can help analyzing issue.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1592985830-13038-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for writing new clkbuf_sel property for the J721e 4 bit IP.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Link: https://lore.kernel.org/r/20200619125801.9530-7-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
For speed modes where DLL is not enabled write to TXDLYCLK to enable
transmitter delay chain mode.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200619125801.9530-6-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The clock > CLOCK_TOO_SLOW_HZ condition gating phy configuration
is only required because dll should not be enabled at too low a
clock frequency or too low timing. Make sure that this condition
only gates dll enablement.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200619125801.9530-5-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add Support for AM65x PG2.0. Use the SoC bus framework to fixup
the driver data and skip do DLL calibration if the revision is 1.0
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200619125801.9530-4-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Not all controllers need calibration for the PHY DLL. Add a DLL_CALIB flag
to indicate the same.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200619125801.9530-3-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
"K" stands for "kelvin".
While at it, make the spacing before units consistent.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200618080321.16678-1-geert+renesas@glider.be
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This patch adds datactrl_mask_sdio for sdmmc revisions.
sdmmc revisions used same bit of previous ST variant.
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200611132839.4515-1-ludovic.barre@st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
These functions do not check the return value of devm_clk_register():
- sdhci_arasan_register_sdcardclk()
- sdhci_arasan_register_sampleclk()
Therefore, add the missed checks to fix them.
Fixes: c390f2110a ("mmc: sdhci-of-arasan: Add ability to export card clock")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200608162226.3259186-1-hslester96@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Interconnect bandwidth scaling support is now added as a
part of OPP. So, make sure interconnect driver is ready
before handling interconnect scaling.
Signed-off-by: Pradeep P V K <ppvk@codeaurora.org>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/1591691846-7578-2-git-send-email-ppvk@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
During DLL initialization, the DLL_CONFIG register value would be
updated with the value supplied from the device-tree.
Override this register only if a valid value is supplied.
Fixes: 03591160ca ("mmc: sdhci-msm: Read and use DLL Config property from device tree file")
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/1594213888-2780-1-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The actual max_segs computation leads to failure while using the broadcom
sdio brcmfmac/bcmsdh driver, since the driver tries to make usage of
scatter gather.
But with the dram-access-quirk we use a 1,5K SRAM bounce buffer, and the
max_segs current value of 3 leads to max transfers to 4,5k, which doesn't
work.
This patch sets max_segs to 1 to better describe the hardware limitation,
and fix the SDIO functionality with the brcmfmac/bcmsdh driver on Amlogic
G12A/G12B SoCs on boards like SEI510 or Khadas VIM3.
Reported-by: Art Nikpal <art@khadas.com>
Reported-by: Christian Hewitt <christianshewitt@gmail.com>
Fixes: acdc8e71d9 ("mmc: meson-gx: add dram-access-quirk")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200608084458.32014-1-narmstrong@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.
This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.
There are a variety of indentation styles found.
a) 4 spaces + '---help---'
b) 7 spaces + '---help---'
c) 8 spaces + '---help---'
d) 1 space + 1 tab + '---help---'
e) 1 tab + '---help---' (correct indentation)
f) 1 tab + 1 space + '---help---'
g) 1 tab + 2 spaces + '---help---'
In order to convert all of them to 1 tab + 'help', I ran the
following commend:
$ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
function that isn't used anymore. Otherwise the main new thing for the common
clk framework is that it is selectable in the Kconfig language now. Hopefully
this will let clk drivers and clk consumers be testable on more than the
architectures that support the clk framework. The goal is to introduce some
Kunit tests for the framework.
Outside of the core framework we have the usual set of various driver updates
and non-critical fixes. The dirstat shows that the new Baikal-T1 driver is the
largest addition this time around in terms of lines of code. After that the x86
(Intel), Qualcomm, and Mediatek drivers introduce many lines to support new or
upcoming SoCs. After that the dirstat shows the usual suspects working on their
SoC support by fixing minor bugs, correcting data and converting some of their
DT bindings to YAML.
Core:
- Allow the COMMON_CLK config to be selectable
New Drivers:
- Clk driver for Baikal-T1 SoCs
- Mediatek MT6765 clock support
- Support for Intel Agilex clks
- Add support for X1830 and X1000 Ingenic SoC clk controllers
- Add support for the new Renesas RZ/G1H (R8A7742) SoC
- Add support for Qualcomm's MSM8939 Generic Clock Controller
Updates:
- Support IDT VersaClock 5P49V5925
- Bunch of updates for HSDK clock generation unit (CGU) driver
- Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
- Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
- Enable supply regulators for GPU gdscs on Qualcomm SoCs
- Add support for Si5342, Si5344 and Si5345 chips
- Support custom flags in Xilinx zynq firmware
- Various small fixes to the Xilinx clk driver
- A single minor rounding fix for the legacy Allwinner clock support
- A few patches from Abel Vesa as preparation of adding audiomix clock support
on i.MX
- A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and clk-pllv3
drivers
- Drop dependency on ARM64 for i.MX8M clock driver, to support aarch32 mode on
aarch64 hardware
- A series from Peng Fan to improve i.MX8M clock drivers, using composite
clock for core and bus clk slice
- Set a better parent clock for flexcan on i.MX6UL to support CiA102 defined
bit rates
- A couple changes for EMC frequency scaling on Tegra210
- Support for CPU frequency scaling on Tegra20/Tegra30
- New clk gate for CSI test pattern generator on Tegra210
- Regression fixes for Samsung exynos542x and exynos5433 SoCs
- Use of fallthrough; attribute for Samsung s3c24xx
- Updates and fixup HDMI and video clocks on Meson8b
- Fixup reset polarity on Meson8b
- Fix GPU glitch free mux switch on Meson gx and g12
- A minor fix for the currently unused suspend/resume handling on Renesas RZ/A1 and RZ/A2
- Two more conversions of Renesas DT bindings to json-schema
- Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+
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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:
"This time around we have four lines of diff in the core framework,
removing a function that isn't used anymore. Otherwise the main new
thing for the common clk framework is that it is selectable in the
Kconfig language now. Hopefully this will let clk drivers and clk
consumers be testable on more than the architectures that support the
clk framework. The goal is to introduce some Kunit tests for the
framework.
Outside of the core framework we have the usual set of various driver
updates and non-critical fixes. The dirstat shows that the new
Baikal-T1 driver is the largest addition this time around in terms of
lines of code. After that the x86 (Intel), Qualcomm, and Mediatek
drivers introduce many lines to support new or upcoming SoCs. After
that the dirstat shows the usual suspects working on their SoC support
by fixing minor bugs, correcting data and converting some of their DT
bindings to YAML.
Core:
- Allow the COMMON_CLK config to be selectable
New Drivers:
- Clk driver for Baikal-T1 SoCs
- Mediatek MT6765 clock support
- Support for Intel Agilex clks
- Add support for X1830 and X1000 Ingenic SoC clk controllers
- Add support for the new Renesas RZ/G1H (R8A7742) SoC
- Add support for Qualcomm's MSM8939 Generic Clock Controller
Updates:
- Support IDT VersaClock 5P49V5925
- Bunch of updates for HSDK clock generation unit (CGU) driver
- Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
- Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
- Enable supply regulators for GPU gdscs on Qualcomm SoCs
- Add support for Si5342, Si5344 and Si5345 chips
- Support custom flags in Xilinx zynq firmware
- Various small fixes to the Xilinx clk driver
- A single minor rounding fix for the legacy Allwinner clock support
- A few patches from Abel Vesa as preparation of adding audiomix
clock support on i.MX
- A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and
clk-pllv3 drivers
- Drop dependency on ARM64 for i.MX8M clock driver, to support
aarch32 mode on aarch64 hardware
- A series from Peng Fan to improve i.MX8M clock drivers, using
composite clock for core and bus clk slice
- Set a better parent clock for flexcan on i.MX6UL to support CiA102
defined bit rates
- A couple changes for EMC frequency scaling on Tegra210
- Support for CPU frequency scaling on Tegra20/Tegra30
- New clk gate for CSI test pattern generator on Tegra210
- Regression fixes for Samsung exynos542x and exynos5433 SoCs
- Use of fallthrough; attribute for Samsung s3c24xx
- Updates and fixup HDMI and video clocks on Meson8b
- Fixup reset polarity on Meson8b
- Fix GPU glitch free mux switch on Meson gx and g12
- A minor fix for the currently unused suspend/resume handling on
Renesas RZ/A1 and RZ/A2
- Two more conversions of Renesas DT bindings to json-schema
- Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (155 commits)
clk: mediatek: Remove ifr{0,1}_cfg_regs structures
clk: baikal-t1: remove redundant assignment to variable 'divider'
clk: baikal-t1: fix spelling mistake "Uncompatible" -> "Incompatible"
dt-bindings: clock: Add a missing include to MMP Audio Clock binding
dt: Add bindings for IDT VersaClock 5P49V5925
clk: vc5: Add support for IDT VersaClock 5P49V6965
clk: Add Baikal-T1 CCU Dividers driver
clk: Add Baikal-T1 CCU PLLs driver
dt-bindings: clk: Add Baikal-T1 CCU Dividers binding
dt-bindings: clk: Add Baikal-T1 CCU PLLs binding
clk: mediatek: assign the initial value to clk_init_data of mtk_mux
clk: mediatek: Add MT6765 clock support
clk: mediatek: add mt6765 clock IDs
dt-bindings: clock: mediatek: document clk bindings vcodecsys for Mediatek MT6765 SoC
dt-bindings: clock: mediatek: document clk bindings mipi0a for Mediatek MT6765 SoC
dt-bindings: clock: mediatek: document clk bindings for Mediatek MT6765 SoC
CLK: HSDK: CGU: add support for 148.5MHz clock
CLK: HSDK: CGU: support PLL bypassing
CLK: HSDK: CGU: check if PLL is bypassed first
clk: clk-si5341: Add support for the Si5345 series
...
Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the large set of char/misc driver patches for 5.8-rc1
Included in here are:
- habanalabs driver updates, loads
- mhi bus driver updates
- extcon driver updates
- clk driver updates (approved by the clock maintainer)
- firmware driver updates
- fpga driver updates
- gnss driver updates
- coresight driver updates
- interconnect driver updates
- parport driver updates (it's still alive!)
- nvmem driver updates
- soundwire driver updates
- visorbus driver updates
- w1 driver updates
- various misc driver updates
In short, loads of different driver subsystem updates along with the
drivers as well.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (233 commits)
habanalabs: correctly cast u64 to void*
habanalabs: initialize variable to default value
extcon: arizona: Fix runtime PM imbalance on error
extcon: max14577: Add proper dt-compatible strings
extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()'
extcon: remove redundant assignment to variable idx
w1: omap-hdq: print dev_err if irq flags are not cleared
w1: omap-hdq: fix interrupt handling which did show spurious timeouts
w1: omap-hdq: fix return value to be -1 if there is a timeout
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
/dev/mem: Revoke mappings when a driver claims the region
misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages()
misc: xilinx-sdfec: cleanup return value in xsdfec_table_write()
misc: xilinx-sdfec: improve get_user_pages_fast() error handling
nvmem: qfprom: remove incorrect write support
habanalabs: handle MMU cache invalidation timeout
habanalabs: don't allow hard reset with open processes
habanalabs: GAUDI does not support soft-reset
habanalabs: add print for soft reset due to event
habanalabs: improve MMU cache invalidation code
...
Clear tuning_done flag while executing tuning to ensure vendor
specific HS400 settings are applied properly when the controller
is re-initialized in HS400 mode.
Without this, re-initialization of the qcom SDHC in HS400 mode fails
while resuming the driver from runtime-suspend or system-suspend.
Fixes: ff06ce4178 ("mmc: sdhci-msm: Add HS400 platform support")
Cc: stable@vger.kernel.org
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Link: https://lore.kernel.org/r/1590678838-18099-1-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When enabling calibration at reset, the CALCR register was completely
rewritten. This may cause certain bits being deleted unintentedly.
Fix by issuing a read-modify-write operation.
Fixes: 727d836a37 ("mmc: sdhci-of-at91: add DT property to enable calibration on full reset")
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/20200527105659.142560-1-eugen.hristev@microchip.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
In current code, we add 1ms dealy after each tuning command for standard
tuning method. Adding this 1ms dealy is because USDHC default check the
CMD CRC and DATA line. If detect the CMD CRC, USDHC standard tuning
IC logic do not wait for the tuning data sending out by the card, trigger
the buffer read ready interrupt immediately, and step to next cycle. So
when next time the new tuning command send out by USDHC, card may still
not send out the tuning data of the upper command，then some eMMC cards
may stuck, can't response to any command, block the whole tuning procedure.
If do not check the CMD CRC for tuning, then do not has this issue. USDHC
will wait for the tuning data of each tuning command and check them. If the
tuning data pass the check, it also means the CMD line also okay for tuning.
So this patch disable the CMD CRC check for tuning, save some time for the
whole tuning procedure.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/1590488522-9292-2-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According the RM, the bit[6~0] of register ESDHC_TUNING_CTRL is
TUNING_START_TAP, bit[7] of this register is to disable the command
CRC check for standard tuning. So fix it here.
Fixes: d87fc96636 ("mmc: sdhci-esdhc-imx: support setting tuning start point")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/1590488522-9292-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When use the specific GPIO to detect the card insert/remove, we can
also add the GPIO as a wakeup source. When system suspend, insert or
remove the card can wakeup the system.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/1590547175-15070-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Turning on CONFIG_DMA_API_DEBUG_SG results in the following warning:
WARNING: CPU: 1 PID: 85 at kernel/dma/debug.c:1302
debug_dma_map_sg+0x2a0/0x3cc mmci-pl18x 58005000.sdmmc: DMA-API: mapping sg
segment longer than device claims to support [len=126976] [max=65536]
dma api debug checks and compares the segment size to dma_get_max_seg_size
(dev->dma_parms->max_segment_size), the sdmmc variant has an internal DMA
and should define its max_segment_size constraint to avoid this warning.
This Patch defines the dev->dma_parms->max_segment_size with the constraint
already set for mmc core (host->mmc->max_seg_size).
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200526155103.12514-3-ludovic.barre@st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Turning on CONFIG_DMA_API_DEBUG_SG results in the following warning:
WARNING: CPU: 1 PID: 20 at kernel/dma/debug.c:500 add_dma_entry+0x16c/0x17c
DMA-API: exceeded 7 overlapping mappings of cacheline 0x031d2645
Modules linked in:
CPU: 1 PID: 20 Comm: kworker/1:1 Not tainted 5.5.0-rc2-00021-gdeda30999c2b-dirty #49
Hardware name: STM32 (Device Tree Support)
Workqueue: events_freezable mmc_rescan
[<c03138c0>] (unwind_backtrace) from [<c030d760>] (show_stack+0x10/0x14)
[<c030d760>] (show_stack) from [<c0f2eb28>] (dump_stack+0xc0/0xd4)
[<c0f2eb28>] (dump_stack) from [<c034a14c>] (__warn+0xd0/0xf8)
[<c034a14c>] (__warn) from [<c034a530>] (warn_slowpath_fmt+0x94/0xb8)
[<c034a530>] (warn_slowpath_fmt) from [<c03bca0c>] (add_dma_entry+0x16c/0x17c)
[<c03bca0c>] (add_dma_entry) from [<c03bdf54>] (debug_dma_map_sg+0xe4/0x3d4)
[<c03bdf54>] (debug_dma_map_sg) from [<c0d09244>] (sdmmc_idma_prep_data+0x94/0xf8)
[<c0d09244>] (sdmmc_idma_prep_data) from [<c0d05a2c>] (mmci_prep_data+0x2c/0xb0)
[<c0d05a2c>] (mmci_prep_data) from [<c0d073ec>] (mmci_start_data+0x134/0x2f0)
[<c0d073ec>] (mmci_start_data) from [<c0d078d0>] (mmci_request+0xe8/0x154)
[<c0d078d0>] (mmci_request) from [<c0cecb44>] (mmc_start_request+0x94/0xbc)
DMA api debug brings to light leaking dma-mappings, dma_map_sg and
dma_unmap_sg are not correctly balanced.
If a request is prepared, the dma_map/unmap are done in asynchronous call
pre_req (prep_data) and post_req (unprep_data). In this case the
dma-mapping is right balanced.
But if the request was not prepared, the data->host_cookie is define to
zero and the dma_map/unmap must be done in the request. The dma_map is
called by mmci_dma_start (prep_data), but there is no dma_unmap in this
case.
This patch adds dma_unmap_sg when the dma is finalized and the data cookie
is zero (request not prepared).
Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200526155103.12514-2-ludovic.barre@st.com
Fixes: 46b723dd86 ("mmc: mmci: add stm32 sdmmc variant")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Intel Keem Bay SoC eMMC/SD/SDIO controller is based on
Arasan SD 3.0 / eMMC 5.1 host controller IP.
However, it does not support 64-bit access as its AXI interface
has 32-bit address ports.
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.mohamad@intel.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200526062758.17642-3-wan.ahmad.zainie.wan.mohamad@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Accordingly to Cadence documentation, PHY write procedure is:
1. Software sets the PHY Register Address (HRS04[5:0]) and the
PHY Write Data (HRS04[15:8]) fields.
2. Software sets the PHY Write Transaction Request (HRS04[24]) field to 1.
3. Software waits as the PHY Write Transaction Acknowledge (HRS04[26])
field is equal to 0.
4. Hardware performs the write transaction to PHY register where
HRS04[15:8] is a data written to register under HRS04[5:0] address.
5. Hardware sets the PHY Transaction Acknowledge (HRS04[26]) to 1 when
transaction is completed.
6. Software clears the PHY Write Transaction Request (HRS04[24]) to 1
after noticing that the PHY Write Transaction Acknowledge (HRS04[26])
field is equal to 1.
7. Software waits for the PHY Acknowledge Register (HRS04[26]) field is
equal to 0.
Add missing steps 3 and 7. Lack of these steps causes
integrity errors detested by hardware.
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Link: https://lore.kernel.org/r/20200525074053.7309-1-vladimir.kondratiev@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The eSDHC HS400 timing requires many specific registers setting,
unlike other speed modes which need to set only host controller 2
register. When driver needs to downgrade HS400 mode to other speed
mode, the controller have to exit HS400 timing properly first.
This patch is to support the procedure of HS400 exiting at the
beginning of esdhc_set_uhs_signaling.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200522031256.856-1-yangbo.lu@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Implement dump_vendor_registers host operation to print the
vendor specific registers in addition to standard SDHC
register during error conditions.
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Signed-off-by: Sarthak Garg <sartgarg@codeaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1590139950-7288-9-git-send-email-sartgarg@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
