- 02 Feb, 2016 4 commits
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Masahiro Yamada authored
This if-block has been here since the introduction of the common clock framework. Now no clock drivers are statically initialized. core->parent is always NULL at this point. Drop the redundant check and the confusing comment. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Masahiro Yamada authored
Now this function takes clk_core as its argument. __clk_core_init() would be more suitable for the name of this function. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Masahiro Yamada authored
The argument clk_user is used only for the clk_user->core. The rest of this function only takes care of clk_core. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Masahiro Yamada authored
The "struct device *dev" is not used at all in this function. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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- 30 Jan, 2016 18 commits
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Stephen Boyd authored
* clk-fixes: clk: rockchip: rk3368: fix some clock gates clk: rockchip: rk3036: rename emac ext source clock clk: rockchip: rk3036: fix the div offset for emac clock clk: rockchip: rk3036: fix uarts clock error clk: rockchip: rk3036: fix the FLAGs for clock mux
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Stephen Boyd authored
Merge tag 'v4.5-rockchip-clkfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-fixes Pull rockchip fixes from Heiko Stuebner: Fixes for wrong register offsets in both rk3036 and rk3368. Also rename the external input for the emac on rk3036, which should still be ok to do, as that binding was only introduced during this merge-window. * tag 'v4.5-rockchip-clkfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: clk: rockchip: rk3368: fix some clock gates clk: rockchip: rk3036: rename emac ext source clock clk: rockchip: rk3036: fix the div offset for emac clock clk: rockchip: rk3036: fix uarts clock error clk: rockchip: rk3036: fix the FLAGs for clock mux
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Arnd Bergmann authored
My previous patch fixed some warnings about printing a couple of variables that are always uninitialized in quadfs_pll_fs660c32_set_rate(), but I now got a warning that only shows up in some configurations (i.e. without gcc -Os) about the params.ndiv being used uninitialized in the error case: drivers/clk/st/clkgen-fsyn.c: In function 'quadfs_pll_fs660c32_set_rate': drivers/clk/st/clkgen-fsyn.c:584:75: warning: 'params.ndiv' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/clk/st/clkgen-fsyn.c:574:16: note: 'params.ndiv' was declared here This changes the error handling so we bail for invalid arguments rather than continuing with uninitialized data. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Stephen Boyd authored
The size of unsigned long on 64-bit architectures is equal to the size of u64, so this check is impossible there. This throws off static checkers: drivers/clk/clk-axi-clkgen.c:331 axi_clkgen_recalc_rate() warn: impossible condition '(tmp > (~0)) => (0-u64max > u64max)' Let's change this code to use min_t() instead so that we get the same effect on architectures where sizeof(unsigned long) doesn't equal sizeof(u64). Cc: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Lars-Peter Clausen authored
The clock generator has two clock inputs that can be used as the reference clock. Add support for switching between them at runtime. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Lars-Peter Clausen authored
Version 1 of the axi-clkgen core has not been used in new designs for over two years now. This is a soft peripheral used in FPGAs and anybody who has updated their kernel to the latest version will also have updated the bitstream containing the clock generator. So it should be safe to drop support for this now. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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LABBE Corentin authored
of_match_device could return NULL, and so cause a NULL pointer dereference later. Even if the probability of this case is very low, fixing it made static analyzers happy. Solving this with of_device_get_match_data made also code simplier. Reported-by: coverity (CID 1324137) Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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LABBE Corentin authored
The palmas_clks_of_match_data structures are never modified. This patch constify them. Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Masahiro Yamada authored
Because _next_div() returns a valid divider, there is no need to consult _is_valid_div() for the validity of the divider in every iteration. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Andrzej Hajda authored
With unsigned values underflow in loops can occur resulting in theoretically infinite loops. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Masahiro Yamada authored
Allow to unregister fixed rate clock. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Masahiro Yamada authored
Allow to unregister fixed factor clock. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Srinivas Kandagatla authored
This clock is required for loading the qdsp firmware. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Stephen Boyd authored
* clk-iproc: clk: iproc: Remove __init from header clk: iproc: Add support for Cygnus audio clocks Documentation: dt-bindings: Add DT bindings for Cygnus audio clock
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Ray Jui authored
Remove __init macro from all function prototypes in clk-iproc.h Signed-off-by: Ray Jui <rjui@broadcom.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Simran Rai authored
This patch adds support for Broadcom Cygnus audio PLL and leaf clocks Signed-off-by: Simran Rai <ssimran@broadcom.com> Reviewed-by: Scott Branden <sbranden@broadcom.com> Signed-off-by: Ray Jui <rjui@broadcom.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Simran Rai authored
This patch adds audio clock device tree binding documentation to an existing Cygnus clock DT bindings document. Signed-off-by: Simran Rai <ssimran@broadcom.com> Reviewed-by: Ray Jui <rjui@broadcom.com> Reviewed-by: Lori Hikichi <lhikichi@broadcom.com> Reviewed-by: Scott Branden <sbranden@broadcom.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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James Liao authored
Move all vendor's Kconfig into CCF menu section to prevent new drivers putting their Kconfig files in a wrong place. Some Kconfigs need to be modified at the same time to avoid build warnings. Signed-off-by: James Liao <jamesjj.liao@mediatek.com> Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com> [sboyd@codeaurora.org: Fix typos in commit message] Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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- 29 Jan, 2016 13 commits
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James Liao authored
mtk_clk_register_composite() may leak memory due to some error handling path don't free all allocated memory. This patch free all pointers that may allocate memory before error return. And it's safe because kfree() can handle NULL pointers. Signed-off-by: James Liao <jamesjj.liao@mediatek.com> Reviewed-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Geliang Tang authored
to_clk_*(_hw) macros have been repeatedly defined in many places. This patch moves all the to_clk_*(_hw) definitions in the common clock framework to public header clk-provider.h, and drop the local definitions. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Stephen Boyd authored
This function doesn't return anything because it's void. Drop the return statement. Cc: Loc Ho <lho@apm.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Loc Ho authored
Add X-Gene SoC and PMD PLL clocks support for v2 hardware. X-Gene SoC v2 and above use an slightly different SoC and PMD PLL hardware logic. Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Loc Ho authored
Update APM X-Gene clock binding documentation for SoC and PCP PLL for v2 hardware. Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Andi Shyti authored
The definition of s2mps11_name is meant to resolve the name of a given clock. Remove it because the clocks have the same name we can get it directly from the s2mps11_clks_init structure. While in the probe function the s2mps11_clks is used only to iterate through the s2mps11_clks. The naming itself brings confusion and the readability does not improve much. Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Andi Shyti authored
The clk_table and clk_data are declared static. The clk_table contains the three clock data structures belonging to the s2mps11 driver. In the probe function it gets stored into clk_data. Remove clk_table and refer directly to clk_data. clk_data, itself, is also declared static. Declare locally it and allocate it inside the probe function, as it is not used anywhere else. Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Andi Shyti authored
The driver allocates three structures, s2mpsxx_clk_init, for three different clock types (s2mps11, s2mps13 and s2mps14). They are quite similar but they differ only by the name. Only one of these structures is used, while the others lie unused in the memory. The clock's name, though, is not such a meaningful information and by assigning the same name to the initial data we can avoid over allocation. The common name chosen will be s2mps11, coherently with the device driver name, instead of the clock device. Therefore, remove the structures associated to s2mps13 and s2mps14 and use only the one referred to s2mps11 for all kind of clocks. Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Suggested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Andi Shyti authored
The driver already loops once, there is no reason to loop again for a different purpose. Merge the second loop into the first. Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Heiko Stuebner authored
Commit e6d5e7d9 ("clk-divider: Fix READ_ONLY when divider > 1") removed the special ops struct for read-only clocks and instead opted to handle them inside the regular ops. On the rk3368 this results in breakage as aclkm now gets set a value. While it is the same divider value, the A53 core still doesn't like it, which can result in the cpu ending up in a hang. The reason being that "ACLKENMasserts one clock cycle before the rising edge of ACLKM" and the clock should only be touched when STANDBYWFIL2 is asserted. To fix this, reintroduce the read-only ops but do include the round_rate callback. That way no writes that may be unsafe are done to the divider register in any case. The Rockchip use of the clk_divider_ops is adapted to this split again, as is the nxp, lpc18xx-ccu driver that was included since the original commit. On lpc18xx-ccu the divider seems to always be read-only so only uses the new ops now. Fixes: e6d5e7d9 ("clk-divider: Fix READ_ONLY when divider > 1") Reported-by: Zhang Qing <zhangqing@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Marc Gonzalez authored
Requested by arm-soc maintainer Kevin Hilman in v9 review. http://article.gmane.org/gmane.linux.ports.arm.kernel/456331Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Axel Lin authored
platform_device_register_simple() returns ERR_PTR on error. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Stephen Boyd authored
Silence the following sparse warning drivers/clk/mvebu/dove-divider.c:252:14: warning: incorrect type in assignment (different address spaces) drivers/clk/mvebu/dove-divider.c:252:14: expected void *base drivers/clk/mvebu/dove-divider.c:252:14: got void [noderef] <asn:2>* drivers/clk/mvebu/dove-divider.c:256:13: warning: incorrect type in argument 2 (different address spaces) drivers/clk/mvebu/dove-divider.c:256:13: expected void [noderef] <asn:2>*base drivers/clk/mvebu/dove-divider.c:256:13: got void *base drivers/clk/mvebu/dove-divider.c:257:25: warning: incorrect type in argument 1 (different address spaces) drivers/clk/mvebu/dove-divider.c:257:25: expected void volatile [noderef] <asn:2>*iomem_cookie drivers/clk/mvebu/dove-divider.c:257:25: got void *base Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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- 24 Jan, 2016 5 commits
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Linus Torvalds authored
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS for 4.5 plus some 4.4 fixes. The executive summary: - ATH79 platform improvments, use DT bindings for the ATH79 USB PHY. - Avoid useless rebuilds for zboot. - jz4780: Add NEMC, BCH and NAND device tree nodes - Initial support for the MicroChip's DT platform. As all the device drivers are missing this is still of limited use. - Some Loongson3 cleanups. - The unavoidable whitespace polishing. - Reduce clock skew when synchronizing the CPU cycle counters on CPU startup. - Add MIPS R6 fixes. - Lots of cleanups across arch/mips as fallout from KVM. - Lots of minor fixes and changes for IEEE 754-2008 support to the FPU emulator / fp-assist software. - Minor Ralink, BCM47xx and bcm963xx platform support improvments. - Support SMP on BCM63168" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (84 commits) MIPS: zboot: Add support for serial debug using the PROM MIPS: zboot: Avoid useless rebuilds MIPS: BMIPS: Enable ARCH_WANT_OPTIONAL_GPIOLIB MIPS: bcm63xx: nvram: Remove unused bcm63xx_nvram_get_psi_size() function MIPS: bcm963xx: Update bcm_tag field image_sequence MIPS: bcm963xx: Move extended flash address to bcm_tag header file MIPS: bcm963xx: Move Broadcom BCM963xx image tag data structure MIPS: bcm63xx: nvram: Use nvram structure definition from header file MIPS: bcm963xx: Add Broadcom BCM963xx board nvram data structure MAINTAINERS: Add KVM for MIPS entry MIPS: KVM: Add missing newline to kvm_err() MIPS: Move KVM specific opcodes into asm/inst.h MIPS: KVM: Use cacheops.h definitions MIPS: Break down cacheops.h definitions MIPS: Use EXCCODE_ constants with set_except_vector() MIPS: Update trap codes MIPS: Move Cause.ExcCode trap codes to mipsregs.h MIPS: KVM: Make kvm_mips_{init,exit}() static MIPS: KVM: Refactor added offsetof()s MIPS: KVM: Convert EXPORT_SYMBOL to _GPL ...
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Linus Torvalds authored
Merge tag 'platform-drivers-x86-v4.5-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: "Emergency travel prevented me from completing my final testing on this until today. Nothing here that couldn't wait until RC1 fixes, but I thought it best to get it out sooner rather than later as it does contain a build warning fix. Summary: A build warning fix, MAINTAINERS cleanup, and a new DMI quirk: ideapad-laptop: - Add Lenovo Yoga 700 to no_hw_rfkill dmi list MAINTAINERS: - Combine multiple telemetry entries intel_telemetry_debugfs: - Fix unused warnings in telemetry debugfs" * tag 'platform-drivers-x86-v4.5-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: ideapad-laptop: Add Lenovo Yoga 700 to no_hw_rfkill dmi list MAINTAINERS: Combine multiple telemetry entries intel_telemetry_debugfs: Fix unused warnings in telemetry debugfs
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linuxLinus Torvalds authored
Pull thermal management updates from Zhang Rui: "The top merge commit was re-generated yesterday because two topic branches were dropped from this pull request in the last minute due to some unaddressed comments. All the other material has been in linux-next for quite a while. Specifics: - Enhance thermal core to handle unexpected device cooling states after fresh boot and system resume. From Zhang Rui and Chen Yu. - Several fixes and cleanups on Rockchip and RCAR thermal drivers. From Caesar Wang and Kuninori Morimoto. - Add Broxton support for Intel processor thermal reporting device driver. From Amy Wiles" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: thermal: trip_point_temp_store() calls thermal_zone_device_update() thermal: rcar: rcar_thermal_get_temp() return error if strange temp thermal: rcar: check irq possibility in rcar_thermal_irq_xxx() thermal: rcar: check every rcar_thermal_update_temp() return value thermal: rcar: move rcar_thermal_dt_ids to upside thermal: rockchip: Support the RK3399 SoCs in thermal driver thermal: rockchip: Support the RK3228 SoCs in thermal driver dt-bindings: rockchip-thermal: Support the RK3228/RK3399 SoCs compatible thermal: rockchip: fix a trivial typo Thermal: Enable Broxton SoC thermal reporting device thermal: constify pch_dev_ops structure Thermal: do thermal zone update after a cooling device registered Thermal: handle thermal zone device properly during system sleep Thermal: initialize thermal zone device correctly
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fsLinus Torvalds authored
Pull 9p updates from Eric Van Hensbergen: "Sorry for the last minute pull request, there's was a change that didn't get pulled into for-next until two weeks ago and I wanted to give it some bake time. Summary: Rework and error handling fixes, primarily in the fscatch and fd transports" * tag 'for-linus-4.5-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: use fscache mutex rather than spinlock 9p: trans_fd, bail out if recv fcall if missing 9p: trans_fd, read rework to use p9_parse_header net/9p: Add device name details on error
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