| Commit message (Collapse) | Author | Age | Files | Lines |
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While picking commit a8cd989e1a57 ("mmc: sdhci-msm: Warn about
overclocking SD/MMC") back to my tree I was surprised that it was
reporting warnings. I thought I fixed those! Looking closer at the
fix, I see that I totally bungled it (or at least I halfway bungled
it). The SD card clock got fixed (and that was the one I was really
focused on fixing), but I totally adjusted the wrong clock for eMMC.
Sigh. Let's fix my dumb mistake.
Now both SD and eMMC have floor for the "apps" clock.
This doesn't matter a lot for the final clock rate for HS400 eMMC but
could matter if someone happens to put some slower eMMC on a sc7180.
We also transition through some of these lower rates sometimes and
having them wrong could cause problems during these transitions.
These were the messages I was seeing at boot:
mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz
mmc1: Card appears overclocked; req 52000000 Hz, actual 100000000 Hz
mmc1: Card appears overclocked; req 104000000 Hz, actual 192000000 Hz
Fixes: 6d37a8d19283 ("clk: qcom: gcc-sc7180: Use floor ops for sdcc clks")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210224095013.1.I2e2ba4978cfca06520dfb5d757768f9c42140f7c@changeid
Reviewed-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In case the mux is not divided parent_req was mistakenly not assigned to
leading __clk_determine_rate to determine the best frequency setting for
a requested rate of 0, resulting in the msm8996 platform not booting.
Rectify this by refactoring the logic to unconditionally assign to
parent_req.rate with the clock rate the caller is expecting.
Fixes: 7cbb78a99db6 ("clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers")
Reported-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Tested-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Reviewed-By: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210302234106.3418665-1-marijn.suijten@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The bi_tcxo clock source for SC7280 requires a div 4 to derive 19.2MHz
from the xo_board. Thus update the same.
Fixes: fff2b9a65162 ("clk: qcom: rpmh: Add support for RPMH clocks on SC7280")
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1615400283-20100-1-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"A handful of new RISC-V related patches for this merge window:
- A check to ensure drivers are properly using uaccess. This isn't
manifesting with any of the drivers I'm currently using, but may
catch errors in new drivers.
- Some preliminary support for the FU740, along with the HiFive
Unleashed it will appear on.
- NUMA support for RISC-V, which involves making the arm64 code
generic.
- Support for kasan on the vmalloc region.
- A handful of new drivers for the Kendryte K210, along with the DT
plumbing required to boot on a handful of K210-based boards.
- Support for allocating ASIDs.
- Preliminary support for kernels larger than 128MiB.
- Various other improvements to our KASAN support, including the
utilization of huge pages when allocating the KASAN regions.
We may have already found a bug with the KASAN_VMALLOC code, but it's
passing my tests. There's a fix in the works, but that will probably
miss the merge window.
* tag 'riscv-for-linus-5.12-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (75 commits)
riscv: Improve kasan population by using hugepages when possible
riscv: Improve kasan population function
riscv: Use KASAN_SHADOW_INIT define for kasan memory initialization
riscv: Improve kasan definitions
riscv: Get rid of MAX_EARLY_MAPPING_SIZE
soc: canaan: Sort the Makefile alphabetically
riscv: Disable KSAN_SANITIZE for vDSO
riscv: Remove unnecessary declaration
riscv: Add Canaan Kendryte K210 SD card defconfig
riscv: Update Canaan Kendryte K210 defconfig
riscv: Add Kendryte KD233 board device tree
riscv: Add SiPeed MAIXDUINO board device tree
riscv: Add SiPeed MAIX GO board device tree
riscv: Add SiPeed MAIX DOCK board device tree
riscv: Add SiPeed MAIX BiT board device tree
riscv: Update Canaan Kendryte K210 device tree
dt-bindings: add resets property to dw-apb-timer
dt-bindings: fix sifive gpio properties
dt-bindings: update sifive uart compatible string
dt-bindings: update sifive clint compatible string
...
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Add a clock provider driver for the Canaan Kendryte K210 RISC-V SoC.
This new driver with the compatible string "canaan,k210-clk" implements
support for the full clock structure of the K210 SoC. Since it is
required for the correct operation of the SoC, this driver is
selected by default for compilation when the SOC_CANAAN option is
selected.
With this change, the k210-sysctl driver is turned into a simple
platform driver which enables its power bus clock and triggers
populating its child nodes. The sysctl driver retains the SOC early
initialization code, but the implementation now relies on the new
function k210_clk_early_init() provided by the new clk-k210 driver.
The clock structure implemented and many of the coding ideas for the
driver come from the work by Sean Anderson on the K210 support for the
U-Boot project.
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core / debugfs update from Greg KH:
"Here is the "big" driver core and debugfs update for 5.12-rc1
This set of driver core patches caused a bunch of problems in
linux-next for the past few weeks, when Saravana tried to set
fw_devlink=on as the default functionality. This caused a number of
systems to stop booting, and lots of bugs were fixed in this area for
almost all of the reported systems, but this option is not ready to be
turned on just yet for the default operation based on this testing, so
I've reverted that change at the very end so we don't have to worry
about regressions in 5.12
We will try to turn this on for 5.13 if testing goes better over the
next few months.
Other than the fixes caused by the fw_devlink testing in here, there's
not much more:
- debugfs fixes for invalid input into debugfs_lookup()
- kerneldoc cleanups
- warn message if platform drivers return an error on their remove
callback (a futile effort, but good to catch).
All of these have been in linux-next for a while now, and the
regressions have gone away with the revert of the fw_devlink change"
* tag 'driver-core-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (35 commits)
Revert "driver core: Set fw_devlink=on by default"
of: property: fw_devlink: Ignore interrupts property for some configs
debugfs: do not attempt to create a new file before the filesystem is initalized
debugfs: be more robust at handling improper input in debugfs_lookup()
driver core: auxiliary bus: Fix calling stage for auxiliary bus init
of: irq: Fix the return value for of_irq_parse_one() stub
of: irq: make a stub for of_irq_parse_one()
clk: Mark fwnodes when their clock provider is added/removed
PM: domains: Mark fwnodes when their powerdomain is added/removed
irqdomain: Mark fwnodes when their irqdomain is added/removed
driver core: fw_devlink: Handle suppliers that don't use driver core
of: property: Add fw_devlink support for optional properties
driver core: Add fw_devlink.strict kernel param
of: property: Don't add links to absent suppliers
driver core: fw_devlink: Detect supplier devices that will never be added
driver core: platform: Emit a warning if a remove callback returned non-zero
of: property: Fix fw_devlink handling of interrupts/interrupts-extended
gpiolib: Don't probe gpio_device if it's not the primary device
device.h: Remove bogus "the" in kerneldoc
gpiolib: Bind gpio_device to a driver to enable fw_devlink=on by default
...
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This allows fw_devlink to recognize clock provider drivers that don't
use the device-driver model to initialize the device. fw_devlink will
use this information to make sure consumers of such clock providers
aren't indefinitely blocked from probing, waiting for the power domain
device to appear and bind to a driver.
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210205222644.2357303-9-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This is all driver updates, the majority of which is a bunch of new
Qualcomm clk drivers that dominate the diffstat because we add support
for six SoCs from that particular vendor.
The other big change is the removal of various clk drivers that are no
longer used now that the kernel is dropping support for those SoCs.
Beyond that there's the usual non-critical fixes for existing drivers
and a good number of patches from Lee Jones that cleanup a bunch of
W=1 enabled builds.
Removed Drivers:
- Remove efm32 clk driver
- Remove tango4 clk driver
- Remove zte zx clk driver
- Remove sirf prima2/atlast clk drivers
- Remove u300 clk driver
New Drivers:
- PLL support on MStar/SigmaStar ARMv7 SoCs
- CPU clks for Qualcomm SDX55
- GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
- GCC clks for Qualcomm SM8350
- GPU clks for Qualcomm SDM660/SDM630
Updates:
- Video clk fixups on Qualcomm SM8250
- Improvements for multimedia clks on Qualcomm MSM8998
- Fix many warnings with W=1 enabled builds under drivers/clk/
- Support crystal load capacitance for Versaclock VC5
- Add a "skip recall" DT binding for Silicon Labs' si570 to avoid
glitches at boot
- Convert Xilinx VCU clk driver to a proper clk provider driver
- Expose Xilinx ZynqMP clk driver to more platforms
- Amlogic pll driver fixup
- Amlogic meson8b clock controller dt support clean up
- Remove mipi clk from the Amlogic axg clock controller
- New Rockchip rk3368 clock ids related to camera input
- Use pr_notice() instead of pr_warn() on i.MX6Q pre-boot ldb_di_clk
reparenting
- A series from Liu Ying that adds some SCU clocks support for
i.MX8qxp DC0/MIPI-LVDS subsystems
- A series from Lucas Stach that adds PLL monitor clocks for i.MX8MQ,
and clkout1/2 support for i.MX8MM/MN
- Add I2c and Ethernet (RAVB) clocks on Renesas R-Car V3U
- Add timer (TMU) clocks on most Renesas R-Car Gen3 SoCs
- Add video-related (FCPVD/VSPD/VSPX), watchdog (RWDT), serial
(HSCIF), pincontrol/GPIO (PFC/GPIO), SPI (MSIOF), SDHI, and DMA
(SYS-DMAC) clocks on Renesas R-Car V3U
- Add support for the USB 2.0 clock selector on Renesas RZ/G2 SoCs
- Allwinner H616 SoC clk support"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (171 commits)
clk: mstar: msc313-mpll: Fix format specifier
clk: mstar: Allow MStar clk drivers to be compile tested
clk: qoriq: use macros to generate pll_mask
clk: qcom: Add Global Clock controller (GCC) driver for SC7280
dt-bindings: clock: Add SC7280 GCC clock binding
clk: qcom: rpmh: Add support for RPMH clocks on SC7280
dt-bindings: clock: Add RPMHCC bindings for SC7280
clk: qcom: gcc-sm8350: add gdsc
dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
clk: qcom: gdsc: Implement NO_RET_PERIPH flag
clk: mstar: MStar/SigmaStar MPLL driver
...
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into clk-next
- PLL support on MStar/SigmaStar ARMv7 SoCs
- CPU clks for Qualcomm SDX55
- GCC and RPMh clks for Qualcomm SC8180x and SC7280 SoCs
- GCC clks for Qualcomm SM8350
- Video clk fixups on Qualcomm SM8250
- GPU clks for Qualcomm SDM660/SDM630
- Improvements for multimedia clks on Qualcomm MSM8998
- Fix many warnings with W=1 enabled builds under drivers/clk/
* clk-socfpga:
clk: socfpga: agilex: add clock driver for eASIC N5X platform
dt-bindings: documentation: add clock bindings information for eASIC N5X
* clk-mstar:
clk: mstar: msc313-mpll: Fix format specifier
clk: mstar: Allow MStar clk drivers to be compile tested
clk: mstar: MStar/SigmaStar MPLL driver
clk: fixed: add devm helper for clk_hw_register_fixed_factor()
dt-bindings: clk: mstar msc313 mpll binding description
dt-bindings: clk: mstar msc313 mpll binding header
* clk-qcom: (42 commits)
clk: qcom: Add Global Clock controller (GCC) driver for SC7280
dt-bindings: clock: Add SC7280 GCC clock binding
clk: qcom: rpmh: Add support for RPMH clocks on SC7280
dt-bindings: clock: Add RPMHCC bindings for SC7280
clk: qcom: gcc-sm8350: add gdsc
dt-bindings: clock: Add QCOM SDM630 and SDM660 graphics clock bindings
clk: qcom: Add SDM660 GPU Clock Controller (GPUCC) driver
clk: qcom: mmcc-msm8996: Migrate gfx3d clock to clk_rcg2_gfx3d
clk: qcom: rcg2: Stop hardcoding gfx3d pingpong parent numbers
dt-bindings: clock: Add support for the SDM630 and SDM660 mmcc
clk: qcom: Add SDM660 Multimedia Clock Controller (MMCC) driver
clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical
clk: qcom: gcc-sdm660: Mark MMSS NoC CFG AHB clock as critical
clk: qcom: gpucc-msm8998: Allow fabia gpupll0 rate setting
clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
clk: qcom: gdsc: Implement NO_RET_PERIPH flag
clk: qcom: mmcc-msm8998: Set bimc_smmu_gdsc always on
clk: qcom: mmcc-msm8998: Add hardware clockgating registers to some clks
clk: qcom: gcc-msm8998: Fix Alpha PLL type for all GPLLs
clk: qcom: gcc-msm8998: Mark gpu_cfg_ahb_clk as critical
...
* clk-warnings: (27 commits)
clk: zynq: clkc: Remove various instances of an unused variable 'clk'
clk: versatile: clk-icst: Fix worthy struct documentation block
clk: ti: gate: Fix possible doc-rot in 'omap36xx_gate_clk_enable_with_hsdiv_restore'
clk: ti: dpll: Fix misnaming of '_register_dpll()'s 'user' parameter
clk: ti: clockdomain: Fix description for 'omap2_init_clk_clkdm's hw param
clk: st: clkgen-fsyn: Fix worthy struct documentation demote partially filled one
clk: st: clkgen-pll: Demote unpopulated kernel-doc header
clk: mvebu: ap-cpu-clk: Demote non-conformant kernel-doc header
clk: socfpga: clk-pll-a10: Remove set but unused variable 'rc'
clk: socfpga: clk-pll: Remove unused variable 'rc'
clk: sifive: fu540-prci: Declare static const variable 'prci_clk_fu540' where it's used
clk: bcm: clk-iproc-pll: Demote kernel-doc abuse
clk: zynqmp: divider: Add missing description for 'max_div'
clk: spear: Move prototype to accessible header
clk: qcom: clk-rpm: Remove a bunch of superfluous code
clk: clk-xgene: Add description for 'mask' and fix formatting for 'flags'
clk: qcom: mmcc-msm8974: Remove unused static const tables 'mmcc_xo_mmpll0_1_2_gpll0{map}'
clk: clk-npcm7xx: Remove unused static const tables 'npcm7xx_gates' and 'npcm7xx_divs_fx'
clk: clk-fixed-mmio: Demote obvious kernel-doc abuse
clk: qcom: gcc-ipq4019: Remove unused variable 'ret'
...
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Fixes the following W=1 kernel build warning(s):
drivers/clk/zynq/clkc.c: In function ‘zynq_clk_register_fclk’:
drivers/clk/zynq/clkc.c:106:14: warning: variable ‘clk’ set but not used [-Wunused-but-set-variable]
drivers/clk/zynq/clkc.c: In function ‘zynq_clk_register_periph_clk’:
drivers/clk/zynq/clkc.c:179:14: warning: variable ‘clk’ set but not used [-Wunused-but-set-variable]
drivers/clk/zynq/clkc.c: In function ‘zynq_clk_setup’:
drivers/clk/zynq/clkc.c:220:14: warning: variable ‘clk’ set but not used [-Wunused-but-set-variable]
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-21-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Also demote non-worthy header to standard comment block.
Fixes the following W=1 kernel build warning(s):
drivers/clk/versatile/clk-icst.c:53: warning: Function parameter or member 'map' not described in 'clk_icst'
drivers/clk/versatile/clk-icst.c:53: warning: Function parameter or member 'vcoreg_off' not described in 'clk_icst'
drivers/clk/versatile/clk-icst.c:53: warning: Function parameter or member 'lockreg_off' not described in 'clk_icst'
drivers/clk/versatile/clk-icst.c:435: warning: cannot understand function prototype: 'const struct icst_params icst525_apcp_cm_params = '
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-20-lee.jones@linaro.org
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'omap36xx_gate_clk_enable_with_hsdiv_restore'
Fixes the following W=1 kernel build warning(s):
drivers/clk/ti/gate.c:67: warning: Function parameter or member 'hw' not described in 'omap36xx_gate_clk_enable_with_hsdiv_restore'
drivers/clk/ti/gate.c:67: warning: Excess function parameter 'clk' description in 'omap36xx_gate_clk_enable_with_hsdiv_restore'
Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-17-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/ti/dpll.c:163: warning: Function parameter or member 'user' not described in '_register_dpll'
drivers/clk/ti/dpll.c:163: warning: Excess function parameter 'hw' description in '_register_dpll'
Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-16-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/ti/clockdomain.c:107: warning: Function parameter or member 'hw' not described in 'omap2_init_clk_clkdm'
drivers/clk/ti/clockdomain.c:107: warning: Excess function parameter 'clk' description in 'omap2_init_clk_clkdm'
Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-14-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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filled one
Fixes the following W=1 kernel build warning(s):
drivers/clk/st/clkgen-fsyn.c:186: warning: Function parameter or member 'data' not described in 'st_clk_quadfs_pll'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'regs_base' not described in 'st_clk_quadfs_fsynth'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'lock' not described in 'st_clk_quadfs_fsynth'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'data' not described in 'st_clk_quadfs_fsynth'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'chan' not described in 'st_clk_quadfs_fsynth'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'md' not described in 'st_clk_quadfs_fsynth'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'pe' not described in 'st_clk_quadfs_fsynth'
drivers/clk/st/clkgen-fsyn.c:466: warning: Function parameter or member 'sdiv' not described in 'st_clk_quadfs_fsynth'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Stephen Gallimore <stephen.gallimore@st.com>
Cc: Pankaj Dev <pankaj.dev@st.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-13-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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And remove an incorrect entry.
Fixes the following W=1 kernel build warning(s):
drivers/clk/st/clkgen-pll.c:142: warning: cannot understand function prototype: 'struct clkgen_pll '
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Stephen Gallimore <stephen.gallimore@st.com>
Cc: Pankaj Dev <pankaj.dev@st.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-12-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Not much effort has been put into this one.
Demote it for the time being at least.
Fixes the following W=1 kernel build warning(s):
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'ratio_state_reg' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'divider_mask' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'cluster_offset' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'force_mask' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'divider_offset' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'divider_ratio' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'ratio_offset' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'ratio_state_offset' not described in 'cpu_dfs_regs'
drivers/clk/mvebu/ap-cpu-clk.c:52: warning: Function parameter or member 'ratio_state_cluster_offset' not described in 'cpu_dfs_regs'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Julia Lawall <Julia.Lawall@inria.fr>
Cc: Omri Itach <omrii@marvell.com>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-10-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/socfpga/clk-pll-a10.c: In function ‘__socfpga_pll_init’:
drivers/clk/socfpga/clk-pll-a10.c:76:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-9-lee.jones@linaro.org
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/socfpga/clk-pll.c: In function ‘__socfpga_pll_init’:
drivers/clk/socfpga/clk-pll.c:83:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-8-lee.jones@linaro.org
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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where it's used
Fixes the following W=1 kernel build warning(s):
drivers/clk/sifive/fu540-prci.h:16:35: warning: ‘prci_clk_fu540’ defined but not used [-Wunused-const-variable=]
drivers/clk/sifive/fu540-prci.h:16:35: warning: ‘prci_clk_fu540’ defined but not used [-Wunused-const-variable=]
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Pragnesh Patel <Pragnesh.patel@sifive.com>
Cc: Zong Li <zong.li@sifive.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-riscv@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-7-lee.jones@linaro.org
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/bcm/clk-iproc-pll.c:712: warning: Function parameter or member 'pll' not described in 'iproc_pll_sw_cfg'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210120093040.1719407-6-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/zynqmp/divider.c:46: warning: Function parameter or member 'max_div' not described in 'zynqmp_clk_divider'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Rajan Vaja <rajan.vaja@xilinx.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-22-lee.jones@linaro.org
Acked-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/spear/spear1310_clock.c:385:13: warning: no previous prototype for ‘spear1310_clk_init’ [-Wmissing-prototypes]
drivers/clk/spear/spear1340_clock.c:442:13: warning: no previous prototype for ‘spear1340_clk_init’ [-Wmissing-prototypes]
Cc: Viresh Kumar <vireshk@kernel.org>
Cc: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-20-lee.jones@linaro.org
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/clk-rpm.c:453:29: warning: ‘clk_rpm_branch_ops’ defined but not used [-Wunused-const-variable=]
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-19-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/clk-xgene.c:229: warning: Function parameter or member 'mask' not described in 'xgene_clk_pmd'
drivers/clk/clk-xgene.c:229: warning: Function parameter or member 'flags' not described in 'xgene_clk_pmd'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Loc Ho <lho@apm.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-18-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'mmcc_xo_mmpll0_1_2_gpll0{map}'
Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/mmcc-msm8974.c:85:27: warning: ‘mmcc_xo_mmpll0_1_2_gpll0’ defined but not used [-Wunused-const-variable=]
drivers/clk/qcom/mmcc-msm8974.c:77:32: warning: ‘mmcc_xo_mmpll0_1_2_gpll0_map’ defined but not used [-Wunused-const-variable=]
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-17-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'npcm7xx_divs_fx'
Fixes the following W=1 kernel build warning(s):
drivers/clk/clk-npcm7xx.c:438:43: warning: ‘npcm7xx_gates’ defined but not used [-Wunused-const-variable=]
drivers/clk/clk-npcm7xx.c:365:48: warning: ‘npcm7xx_divs_fx’ defined but not used [-Wunused-const-variable=]
Cc: Avi Fishman <avifishman70@gmail.com>
Cc: Tomer Maimon <tmaimon77@gmail.com>
Cc: Tali Perry <tali.perry1@gmail.com>
Cc: Patrick Venture <venture@google.com>
Cc: Nancy Yuen <yuenn@google.com>
Cc: Benjamin Fair <benjaminfair@google.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Nuvoton Technologies <tali.perry@nuvoton.com>
Cc: openbmc@lists.ozlabs.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-16-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/clk-fixed-mmio.c:62: warning: Function parameter or member 'pdev' not described in 'of_fixed_mmio_clk_probe'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Jan Kotas <jank@cadence.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-15-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/gcc-ipq4019.c: In function ‘clk_cpu_div_set_rate’:
drivers/clk/qcom/gcc-ipq4019.c:1279:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-14-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/ti/dpll44xx.c:114: warning: Function parameter or member 'hw' not described in 'omap4_dpll_regm4xen_recalc'
drivers/clk/ti/dpll44xx.c:114: warning: Function parameter or member 'parent_rate' not described in 'omap4_dpll_regm4xen_recalc'
drivers/clk/ti/dpll44xx.c:114: warning: Excess function parameter 'clk' description in 'omap4_dpll_regm4xen_recalc'
drivers/clk/ti/dpll44xx.c:150: warning: Function parameter or member 'hw' not described in 'omap4_dpll_regm4xen_round_rate'
drivers/clk/ti/dpll44xx.c:150: warning: Function parameter or member 'parent_rate' not described in 'omap4_dpll_regm4xen_round_rate'
drivers/clk/ti/dpll44xx.c:150: warning: Excess function parameter 'clk' description in 'omap4_dpll_regm4xen_round_rate'
Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-11-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'tegra_cvb_add_opp_table()'s align param
Fixes the following W=1 kernel build warning(s):
drivers/clk/tegra/cvb.c:106: warning: Function parameter or member 'align' not described in 'tegra_cvb_add_opp_table'
Cc: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-10-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/tegra/clk-tegra30.c: In function ‘tegra30_enable_cpu_clock’:
drivers/clk/tegra/clk-tegra30.c:1107:15: warning: variable ‘reg’ set but not used [-Wunused-but-set-variable]
Cc: Peter De Schrijver <pdeschrijver@nvidia.com>
Cc: Prashant Gaikwad <pgaikwad@nvidia.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-8-lee.jones@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'devm_clk_register_regmap()'s dev param
Fixes the following W=1 kernel build warning(s):
drivers/clk/qcom/clk-regmap.c:97: warning: Function parameter or member 'dev' not described in 'devm_clk_register_regmap'
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-5-lee.jones@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/ti/dpll3xxx.c:414: warning: Function parameter or member 'hw' not described in 'omap3_dpll_recalc'
drivers/clk/ti/dpll3xxx.c:414: warning: Function parameter or member 'parent_rate' not described in 'omap3_dpll_recalc'
drivers/clk/ti/dpll3xxx.c:414: warning: Excess function parameter 'clk' description in 'omap3_dpll_recalc'
drivers/clk/ti/dpll3xxx.c:437: warning: Function parameter or member 'hw' not described in 'omap3_noncore_dpll_enable'
drivers/clk/ti/dpll3xxx.c:437: warning: Excess function parameter 'clk' description in 'omap3_noncore_dpll_enable'
drivers/clk/ti/dpll3xxx.c:479: warning: Function parameter or member 'hw' not described in 'omap3_noncore_dpll_disable'
drivers/clk/ti/dpll3xxx.c:479: warning: Excess function parameter 'clk' description in 'omap3_noncore_dpll_disable'
drivers/clk/ti/dpll3xxx.c:755: warning: Function parameter or member 'hw' not described in 'omap3_clkoutx2_recalc'
drivers/clk/ti/dpll3xxx.c:755: warning: Function parameter or member 'parent_rate' not described in 'omap3_clkoutx2_recalc'
drivers/clk/ti/dpll3xxx.c:755: warning: Excess function parameter 'clk' description in 'omap3_clkoutx2_recalc'
Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-4-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/ti/clkt_dpll.c:284: warning: Function parameter or member 'hw' not described in 'omap2_dpll_round_rate'
drivers/clk/ti/clkt_dpll.c:284: warning: Function parameter or member 'parent_rate' not described in 'omap2_dpll_round_rate'
drivers/clk/ti/clkt_dpll.c:284: warning: Excess function parameter 'clk' description in 'omap2_dpll_round_rate'
Cc: Tero Kristo <kristo@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: linux-omap@vger.kernel.org
Cc: linux-clk@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-3-lee.jones@linaro.org
Reviewed-by: Tero Kristo <kristo@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fixes the following W=1 kernel build warning(s):
drivers/clk/zynq/pll.c:187: warning: Function parameter or member 'name' not described in 'clk_register_zynq_pll'
drivers/clk/zynq/pll.c:187: warning: Function parameter or member 'parent' not described in 'clk_register_zynq_pll'
drivers/clk/zynq/pll.c:187: warning: Function parameter or member 'pll_ctrl' not described in 'clk_register_zynq_pll'
drivers/clk/zynq/pll.c:187: warning: Function parameter or member 'pll_status' not described in 'clk_register_zynq_pll'
drivers/clk/zynq/pll.c:187: warning: Function parameter or member 'lock_index' not described in 'clk_register_zynq_pll'
drivers/clk/zynq/pll.c:187: warning: Function parameter or member 'lock' not described in 'clk_register_zynq_pll'
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210126124540.3320214-2-lee.jones@linaro.org
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add support for the global clock controller found on SC7280
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1612981579-17391-3-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add support for RPMH clocks on SC7280 SoCs.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lore.kernel.org/r/1612977230-11566-3-git-send-email-tdas@codeaurora.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add the GDSC found in GCC for SM8350 SoC
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210210161649.431741-1-vkoul@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The GPUCC manages the clocks for the Adreno GPU found on the
SDM630, SDM636, SDM660 SoCs.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-9-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In the previous commit ("clk: qcom: rcg2: Stop hardcoding gfx3d pingpong
parent numbers") the gfx3d ping-pong ops (clk_gfx3d_ops) were
generalized in order to be able to reuse the same ops for more than just
one clock for one SoC: follow the change here in the MSM8996 MMCC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-7-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The function clk_gfx3d_determine_rate is selecting different PLLs
to manage the GFX3D clock source in a special way: this one needs
to be ping-pong'ed on different PLLs to ensure stability during
frequency switching (set a PLL rate, let it stabilize, switch the
RCG to the new PLL) and fast frequency transitions.
This technique is currently being used in the MSM8996 SoC and the
function was assuming that the parents were always at a specific
index in the parents list, which is TRUE, if we use this only on
the MSM8996 MMCC.
Unfortunately, MSM8996 is not the only SoC that needs to ping-pong
the graphics RCG, so choices are:
1. Make new special ops just to hardcode *again* other indexes,
creating code duplication for (imo) no reason; or
2. Generalize this function, so that it becomes usable for a range
of SoCs with slightly different ping-pong configuration.
In this commit, the second road was taken: define a new "special"
struct clk_rcg2_gfx3d, containing the ordered list of parents to
ping-pong the graphics clock on, and the "regular" rcg2 clock
structure in order to generalize the clk_gfx3d_determine_rate
function and make it working for other SoCs.
As for the function itself it is left with the assumption that we
need to ping-pong over three parents. The reasons for this are:
1. The initial model was MSM8996, which has 3 parents for the
graphics clock pingpong;
2. The other example that was taken into consideration is the
SDM630/636/660 SoC gpu clock controller, which is ping-ponging
over two dynamic clocked and one fixed clock PLL.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-6-angelogioacchino.delregno@somainline.org
[sboyd@kernel.org: Grow some local variables, drop do_div() usage in
favor of plain division, we're not dealing with a u64 here]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add a driver for the multimedia clock controller found on SDM660
based devices. This should allow most multimedia device drivers
to probe and control their clocks.
Signed-off-by: Martin Botka <martin.botka@somainline.org>
Co-developed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
[angelogioacchino.delregno@somainline.org: Cleaned up SDM630 clock fixups]
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-4-angelogioacchino.delregno@somainline.org
[sboyd@kernel.org: Silence NULL pointer sparse warnings]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This clock is critical for any access to the GPU: gating it will
crash the system when the GPU has been initialized (so, you cannot
gate it unless you deinit the Adreno completely).
So, to achieve a working state with GPU on, set the CLK_IS_CRITICAL
flag to this clock.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-3-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Similarly to MSM8998, any access to the MMSS depends on this clock.
Gating it will crash the system when RPMCC inits mmssnoc_axi_rpm_clk.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-2-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The GPU PLL0 is not a fixed PLL and the rate can be set on it:
this is necessary especially on boards which bootloader is setting
a very low rate on this PLL before booting Linux, which would be
unsuitable for postdividing to reach the maximum allowed Adreno GPU
frequency of 710MHz (or, actually, even 670MHz..) on this SoC.
To allow setting rates on the GPU PLL0, also define VCO boundaries
and set the CLK_SET_RATE_PARENT flag to the GPU PLL0 postdivider.
With this change, the Adreno GPU is now able to scale through all
the available frequencies.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-12-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The GPU GX GDSC has GPU_GX_BCR reset and gfx3d_clk CXC, as stated
on downstream kernels (and as verified upstream, because otherwise
random lockups happen).
Also, add PWRSTS_RET and NO_RET_PERIPH: also as found downstream,
and also as verified here, to avoid GPU related lockups it is
necessary to force retain mem, but *not* peripheral when enabling
this GDSC (and, of course, the inverse on disablement).
With this change, the GPU finally works flawlessly on my four
different MSM8998 devices from two different manufacturers.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-11-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In some rare occasions, we want to only set the RETAIN_MEM bit, but
not the RETAIN_PERIPH one: this is seen on at least SDM630/636/660's
GPU-GX GDSC, where unsetting and setting back the RETAIN_PERIPH bit
will generate chaos and panics during GPU suspend time (mainly, the
chaos is unaligned access).
For this reason, introduce a new NO_RET_PERIPH flag to the GDSC
driver to address this corner case.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210113183817.447866-8-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This GDSC enables (or cuts!) power to the Multimedia Subsystem IOMMU
(mmss smmu), which has bootloader pre-set secure contexts.
In the event of a complete power loss, the secure contexts will be
reset and the hypervisor will crash the SoC.
To prevent this, and get a working multimedia subsystem, set this
GDSC as always on.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-10-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Hardware clock gating is supported on some of the clocks declared in
there: ignoring that it does exist may lead to unstabilities on some
firmwares.
Add the HWCG registers where applicable to stop potential crashes.
This was verified on a smartphone shipped with a recent MSM8998
firmware, which will experience random crashes without this change.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210114221059.483390-9-angelogioacchino.delregno@somainline.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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