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Replace commas with semicolons. What is done is essentially described by
the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
// <smpl>
@@ expression e1,e2; @@
e1
-,
+;
e2
... when any
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/1601233948-11629-11-git-send-email-Julia.Lawall@inria.fr
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Replace commas with semicolons. What is done is essentially described by
the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
// <smpl>
@@ expression e1,e2; @@
e1
-,
+;
e2
... when any
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/1601233948-11629-10-git-send-email-Julia.Lawall@inria.fr
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Replace commas with semicolons. What is done is essentially described by
the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
// <smpl>
@@ expression e1,e2; @@
e1
-,
+;
e2
... when any
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/1601233948-11629-2-git-send-email-Julia.Lawall@inria.fr
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Modify the comment typo: "compliment" -> "complement".
Signed-off-by: Wang Qing <wangqing@vivo.com>
Link: https://lore.kernel.org/r/1600930506-394-1-git-send-email-wangqing@vivo.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add the following clock support for MT8167 SoC: topckgen, apmixedsys,
infracfg, audsys, imgsys, mfgcfg, vdecsys.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Link: https://lore.kernel.org/r/20200918132303.2831815-2-fparent@baylibre.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add MT6779 UART0 clock support.
Fixes: 710774e04861 ("clk: mediatek: Add MT6779 clock support")
Signed-off-by: Wendell Lin <wendell.lin@mediatek.com>
Signed-off-by: Hanks Chen <hanks.chen@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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We can get down to this return value from ERR_CAST() without
initializing hw. Set it to -ENOMEM so that we always return something
sane.
Fixes the following smatch warning:
drivers/clk/rockchip/clk-half-divider.c:228 rockchip_clk_register_halfdiv() error: uninitialized symbol 'hw'.
drivers/clk/rockchip/clk-half-divider.c:228 rockchip_clk_register_halfdiv() warn: passing zero to 'ERR_CAST'
Cc: Elaine Zhang <zhangqing@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Fixes: 956060a52795 ("clk: rockchip: add support for half divider")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/soc
i.MX SoC update for 5.10:
- A series from Fabio Estevam to remove legacy non-DT i.MX platforms
support and related board files. This is a natural move, as the
platforms had been converted to DT for years, and we have not seen
any users around these legacy non-DT support for a while.
- Enable cpufreq support for i.MX7ULP platform.
* tag 'imx-soc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (26 commits)
clk: imx: imx35: Remove mx35_clocks_init()
clk: imx: imx31: Remove mx31_clocks_init()
clk: imx: imx27: Remove mx27_clocks_init()
ARM: imx: Remove unused definitions
ARM: imx35: Retrieve the IIM base address from devicetree
ARM: imx3: Retrieve the AVIC base address from devicetree
ARM: imx3: Retrieve the CCM base address from devicetree
ARM: imx31: Retrieve the IIM base address from devicetree
ARM: imx27: Retrieve the CCM base address from devicetree
ARM: imx27: Retrieve the SYSCTRL base address from devicetree
ARM: imx: Remove remnant board file support pieces
ARM: imx: Remove imx device directory
ARM: imx: Remove iomux-v3 board code
ARM: imx3: Remove imx3 soc_init()
ARM: imx31: Remove remaining i.MX31 board code
ARM: imx27: Retrieve AVIC base address from devicetree
ARM: imx27: Get rid of mm-imx27.c
ARM: imx27: Remove iomux-v1 board code
ARM: imx27: Remove imx27_soc_init()
ARM: imx7ulp: enable cpufreq
...
Link: https://lore.kernel.org/r/20200923073009.23678-2-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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The provider variable is already dereferenced earlier in this function.
Drop the check for NULL as it is impossible.
Found with smatch
drivers/clk/tegra/clk-tegra210-emc.c:131 tegra210_clk_emc_set_rate() warn: variable dereferenced before check 'provider' (see line 124)
Cc: Joseph Lo <josephl@nvidia.com>
Cc: Thierry Reding <treding@nvidia.com>
Fixes: 0ac65fc946d3 ("clk: tegra: Implement Tegra210 EMC clock")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200922191641.2305144-1-sboyd@kernel.org
Acked-by: Thierry Reding <treding@nvidia.com>
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DRA7 SoC has two SHA instances. Add the clkctrl entry for the second
one.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907082600.454-4-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fix a memory leak induced by not calling clk_put after doing of_clk_get.
Reported-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907082600.454-3-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The clk pointer passed to omap2_clk_(deny|allow)_idle can be NULL, so
add checks for this.
Reported-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907082600.454-2-t-kristo@ti.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Currently, we request exact clock rates from the firmware to be set with
set_rate. Due to some rounding errors and internal functionality of the
firmware itself, this can fail. Thus, add some slack to the set_rate
functionality so that we are always guaranteed to pass. The firmware
always attempts to use frequency as close to the target freq as
possible despite the slack given here.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907085740.1083-4-t-kristo@ti.com
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Cache results of the latest query rate operation. This optimizes the
firmware interface a bit, avoiding unnecessary calls to firmware if we
know the result already; the firmware interface is pretty expensive
to use for query rate functionality.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907085740.1083-3-t-kristo@ti.com
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The DT clock probe loop incorrectly terminates after processing "clocks"
only, fix this by re-starting the loop when all entries for current
DT property have been parsed.
Fixes: 8e48b33f9def ("clk: keystone: sci-clk: probe clocks from DT instead of firmware")
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Link: https://lore.kernel.org/r/20200907085740.1083-2-t-kristo@ti.com
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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./drivers/clk/mediatek/clk-mt6765.c:912:3-8: No need to set .owner here. The core will do it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Fixes: 1aca9939bf72 ("clk: mediatek: Add MT6765 clock support")
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1600761065-71353-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Simplify the return expression.
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20200921082426.2591042-1-liushixin2@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Simplify the return expression.
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20200921082425.2590990-1-liushixin2@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The fixed divider the emac_ptp_free_clk should be 2, not 4.
Fixes: 07afb8db7340 ("clk: socfpga: stratix10: add clock driver for
Stratix10 platform")
Cc: stable@vger.kernel.org
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20200831202657.8224-1-dinguyen@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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drivers/clk/socfpga/clk-agilex.c:24:37: warning: ‘cntr_mux’ defined but not used [-Wunused-const-variable=]
static const struct clk_parent_data cntr_mux[] = {
^~~~~~~~
There is no caller in tree, so can remove it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200915020950.4688-1-yuehaibing@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'err' is assigned but never read:
/drivers/clk/clk-si5341.c: In function ‘si5341_output_get_parent’:
drivers/clk/clk-si5341.c:886:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200916161740.14173-5-krzk@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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'clk' is assigned but never read:
drivers/clk/mmp/clk-of-pxa1928.c: In function ‘pxa1928_pll_init’:
drivers/clk/mmp/clk-of-pxa1928.c:71:14: warning: variable ‘clk’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200916161740.14173-4-krzk@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The at91sam9g45_pcr_layout is not used so drop it to fix build warning:
drivers/clk/at91/at91sam9g45.c:49:36: warning:
'at91sam9g45_pcr_layout' defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200916161740.14173-1-krzk@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add missing kerneldoc to fix compile warning:
drivers/clk/davinci/da8xx-cfgchip.c:578: warning: Function parameter or member 'dev' not described in 'da8xx_cfgchip_register_usb1_clk48'
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: David Lechner <david@lechnology.com>
Link: https://lore.kernel.org/r/20200916161740.14173-3-krzk@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Add missing kerneldoc to fix compile warnings like:
drivers/clk/clk-fixed-factor.c:211: warning: Function parameter or member 'node' not described in 'of_fixed_factor_clk_setup'
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200916161740.14173-2-krzk@kernel.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The driver was using subsys_initcall() because in old times deferred
probe was not supported everywhere and specific ordering was needed.
Since probe deferral works fine and specific ordering is discouraged
(hides dependencies between drivers and couples their boot order), the
driver can be converted to regular module_platform_driver.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200921203558.19554-1-krzk@kernel.org
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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To use QHD or higher, we need to modify the pixel_bvb_clk value. So
add register to control this clock.
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Link: https://lore.kernel.org/r/20200901040759.29992-2-hoegeun.kwon@samsung.com
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The ChipID IO region has it's own clock, which is being disabled while
scanning for unused clocks. It turned out that some CPU hotplug, CPU idle
or even SOC firmware code depends on the reads from that area. Fix the
mysterious hang caused by entering deep CPU idle state by ignoring the
'chipid' clock during unused clocks scan, as there are no direct clients
for it which will keep it enabled.
Fixes: e062b571777f ("clk: exynos4: register clocks using common clock framework")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20200922124046.10496-1-m.szyprowski@samsung.com
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into clk-fixes
Pull Tegra clk driver fixes from Thierry Reding:
This is a set of small fixes for the Tegra clock driver.
* tag 'for-5.10-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
clk: tegra: Fix missing prototype for tegra210_clk_register_emc()
clk: tegra: Always program PLL_E when enabled
clk: tegra: Capitalization fixes
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This was likely overlooked while porting the driver upstream.
Reported-by: Pavel Dubrova <pashadubrova@gmail.com>
Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Link: https://lore.kernel.org/r/20200922120909.97203-1-konradybcio@gmail.com
Fixes: f2a76a2955c0 ("clk: qcom: Add Global Clock controller (GCC) driver for SDM660")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The clk_rcg2_dp_determine_rate() function is used for the DP pixel clk.
This function should return the rate that can be achieved by the pixel
clk in 'struct clk_rate_request::rate' and match the logic similar to
what is seen in clk_rcg2_dp_set_rate(). But that isn't the case. Instead
the code merely bubbles the rate request up to the parent of the pixel
clk and doesn't try to do a rational approximation of the rate that
would be achieved by picking some m/n value for the RCG.
Let's change this logic so that we can assume the parent clk frequency
is fixed (it is because it's the VCO of the DP PLL that is configured
based on the link rate) and so that we can calculate what the m/n value
will be and adjust the req->rate appropriately.
Cc: Jeykumar Sankaran <jsanka@codeaurora.org>
Cc: Chandan Uddaraju <chandanu@codeaurora.org>
Cc: Vara Reddy <varar@codeaurora.org>
Cc: Tanmay Shah <tanmay@codeaurora.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Manu Gautam <mgautam@codeaurora.org>
Cc: Sandeep Maheswaram <sanm@codeaurora.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Jonathan Marek <jonathan@marek.ca>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Rob Clark <robdclark@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200916231202.3637932-10-swboyd@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This addresses the following gcc warning with "make W=1":
drivers/clk/qcom/gcc-msm8939.c:610:32: warning:
‘gcc_xo_gpll6_gpll0a_map’ defined but not used
[-Wunused-const-variable=]
static const struct parent_map gcc_xo_gpll6_gpll0a_map[] = {
^~~~~~~~~~~~~~~~~~~~~~~
drivers/clk/qcom/gcc-msm8939.c:598:32: warning: ‘gcc_xo_gpll6_gpll0_map’
defined but not used [-Wunused-const-variable=]
static const struct parent_map gcc_xo_gpll6_gpll0_map[] = {
^~~~~~~~~~~~~~~~~~~~~~
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200911013722.1459387-1-yanaijie@huawei.com
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This addresses the following sparse warning:
drivers/clk/qcom/gcc-ipq8074.c:4325:17: warning: symbol
'pcie0_rchng_clk_src' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200921142750.875142-1-yanaijie@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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support CLK_OF_DECLARE and builtin_platform_driver_probe
double clk init method.
add module author, description and license to support building
Soc Rk3399 clock driver as module.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022316.24045-1-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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use CONFIG_COMMON_CLK_ROCKCHIP for Rk common clk drivers.
use CONFIG_CLK_RKXX for Rk soc clk driver.
Mark CONFIG_CLK_RK3399 to "tristate",
to support building Rk3399 SoC clock driver as module.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022304.23908-1-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This is used by the Rockchip clk driver, export it to allow that
driver to be compiled as a module.
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022225.23613-5-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This is used by the Rockchip clk driver, export it to allow that
driver to be compiled as a module..
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022225.23613-4-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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This is used by the Rockchip clk driver, export it to allow that
driver to be compiled as a module..
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022225.23613-3-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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clk_register_composite calls
clk_hw_register_composite it's already exported.
Preparation for compilation of rK common clock drivers into modules.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20200914022225.23613-2-zhangqing@rock-chips.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The parent names 'mux_timer_src_p' is not used:
In file included from drivers/clk/rockchip/clk-rk3308.c:13:0:
drivers/clk/rockchip/clk-rk3308.c:136:7: warning: ‘mux_timer_src_p’ defined but not used [-Wunused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200916161740.14173-6-krzk@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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As i.MX21 support has been removed, get rid of its clock driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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mx35_clocks_init() has been used to register clocks on i.MX35
non-devicetree platforms.
Now that i.MX is a devicetree-only platform, it is safe to
remove mx35_clocks_init() as there are no more users.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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mx31_clocks_init() has been used to register clocks on i.MX31
non-devicetree platforms.
Now that i.MX is a devicetree-only platform, it is safe to
remove mx31_clocks_init() as there are no more users.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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mx27_clocks_init() has been used to register clocks on i.MX27
non-devicetree platforms.
Now that i.MX is a devicetree-only platform, it is safe to
remove mx27_clocks_init() as there are no more users.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Include the Tegra driver's clk.h to pull in the prototype definition for
this function so that compilers don't warn about it being missing.
Fixes: 0ac65fc946d3 ("clk: tegra: Implement Tegra210 EMC clock")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Commit bff1cef5f23a ("clk: tegra: Don't enable already enabled PLLs")
added checks to avoid enabling PLLs that have already been enabled by
the bootloader. However, the PLL_E configuration inherited from the
bootloader isn't necessarily the one that is needed for the kernel.
This can cause SATA to fail like this:
[ 5.310270] phy phy-sata.6: phy poweron failed --> -110
[ 5.315604] tegra-ahci 70027000.sata: failed to power on AHCI controller: -110
[ 5.323022] tegra-ahci: probe of 70027000.sata failed with error -110
Fix this by always programming the PLL_E. This ensures that any mis-
configuration by the bootloader will be overwritten by the kernel.
Fixes: bff1cef5f23a ("clk: tegra: Don't enable already enabled PLLs")
Reported-by: LABBE Corentin <clabbe@baylibre.com>
Tested-by: Corentin Labbe <clabbe@baylibre.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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HW, XUSB and PLL are abbreviations and should be all-uppercase.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The rcar-gen3-cpg driver is also used on Renesas RZ/G2 SoC's, update the
description for the CLK_RCAR_GEN3_CPG config symbol to reflect this.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
Link: https://lore.kernel.org/r/20200911101703.20521-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Initial support for R-Car V3U (r8a779a0), including core, module
clocks, resets, and register access, because register specification
differs from R-Car Gen2/3.
Inspired by patches in the BSP by LUU HOAI.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1599810232-29035-4-git-send-email-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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To support other register layouts in the future, add register pointers
of {control,status,reset,reset_clear}_regs into struct cpg_mssr_priv.
After that, we can remove unused macros like MSTPSR(). No behavioral
changes.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1599810232-29035-3-git-send-email-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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