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2020-10-20Merge branches 'clk-renesas', 'clk-amlogic', 'clk-allwinner', 'clk-samsung', ↵Stephen Boyd
'clk-doc' and 'clk-unused' into clk-next - Remove various unused variables in clk drivers * clk-renesas: clk: renesas: rcar-gen3: Update description for RZ/G2 clk: renesas: cpg-mssr: Add support for R-Car V3U clk: renesas: cpg-mssr: Add register pointers into struct cpg_mssr_priv clk: renesas: cpg-mssr: Use enum clk_reg_layout instead of a boolean flag dt-bindings: clock: renesas,cpg-mssr: Document r8a779a0 dt-bindings: clock: Add r8a779a0 CPG Core Clock Definitions dt-bindings: power: Add r8a779a0 SYSC power domain definitions clk: renesas: rcar-gen2: Rename vsp1-(sy|rt) clocks to vsp(s|r) clk: renesas: r8a7742: Add clk entry for VSPR * clk-amlogic: clk: meson: make shipped controller configurable clk: meson: g12a: mark fclk_div2 as critical clk: meson: axg-audio: fix g12a tdmout sclk inverter clk: meson: axg-audio: separate axg and g12a regmap tables clk: meson: add sclk-ws driver * clk-allwinner: clk: sunxi-ng: sun8i: r40: Use sigma delta modulation for audio PLL clk: sunxi-ng: add support for the Allwinner A100 CCU dt-bindings: clk: sunxi-ccu: add compatible string for A100 CCU and R-CCU * clk-samsung: clk: s2mps11: initialize driver via module_platform_driver clk: samsung: Use cached clk_hws instead of __clk_lookup() calls clk: samsung: exynos5420/5250: Add IDs to the CPU parent clk definitions clk: samsung: Add clk ID definitions for the CPU parent clocks clk: samsung: exynos5420: Avoid __clk_lookup() calls when enabling clocks clk: samsung: exynos5420: Add definition of clock ID for mout_sw_aclk_g3d clk: samsung: Keep top BPLL mux on Exynos542x enabled * clk-doc: clk: davinci: add missing kerneldoc clk: fixed: add missing kerneldoc * clk-unused: clk: socfpga: agilex: Remove unused variable 'cntr_mux' clk: si5341: drop unused 'err' variable clk: mmp: pxa1928: drop unused 'clk' variable clk: at91: drop unused at91sam9g45_pcr_layout
2020-09-22clk: socfpga: agilex: Remove unused variable 'cntr_mux'YueHaibing
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>
2020-09-22clk: si5341: drop unused 'err' variableKrzysztof Kozlowski
'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>
2020-09-22clk: mmp: pxa1928: drop unused 'clk' variableKrzysztof Kozlowski
'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>
2020-09-22clk: at91: drop unused at91sam9g45_pcr_layoutKrzysztof Kozlowski
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>
2020-09-22clk: davinci: add missing kerneldocKrzysztof Kozlowski
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>
2020-09-22clk: fixed: add missing kerneldocKrzysztof Kozlowski
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>
2020-09-22clk: s2mps11: initialize driver via module_platform_driverKrzysztof Kozlowski
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>
2020-09-22Merge tag 'clk-v5.10-samsung' of ↵Stephen Boyd
https://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk into clk-samsung Pull Samsung clk driver updates from Sylwester Nawrocki: Minor refactoring removing most of the __clk_lookup() calls. * tag 'clk-v5.10-samsung' of https://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk: clk: samsung: Use cached clk_hws instead of __clk_lookup() calls clk: samsung: exynos5420/5250: Add IDs to the CPU parent clk definitions clk: samsung: Add clk ID definitions for the CPU parent clocks clk: samsung: exynos5420: Avoid __clk_lookup() calls when enabling clocks clk: samsung: exynos5420: Add definition of clock ID for mout_sw_aclk_g3d clk: samsung: Keep top BPLL mux on Exynos542x enabled
2020-09-21Merge tag 'sunxi-clk-for-5.10-1' of ↵Stephen Boyd
https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner Pull Allwinner clk driver updates from Maxime Ripard: Our usual PR for the Allwinner SoCs, this time adding support for the Allwinner A100 SoC, and adding support for the sigma-delta modulation on the audio PLL for the R40. * tag 'sunxi-clk-for-5.10-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: clk: sunxi-ng: sun8i: r40: Use sigma delta modulation for audio PLL clk: sunxi-ng: add support for the Allwinner A100 CCU dt-bindings: clk: sunxi-ccu: add compatible string for A100 CCU and R-CCU
2020-09-21Merge tag 'clk-meson-v5.10-1' of https://github.com/BayLibre/clk-meson into ↵Stephen Boyd
clk-amlogic Pull amlogic clk driver updates from Jerome Brunet: - g12: update audio clock inverter and fdiv2 flag - config: allow to disable unnecessary amlogic clock controllers * tag 'clk-meson-v5.10-1' of https://github.com/BayLibre/clk-meson: clk: meson: make shipped controller configurable clk: meson: g12a: mark fclk_div2 as critical clk: meson: axg-audio: fix g12a tdmout sclk inverter clk: meson: axg-audio: separate axg and g12a regmap tables clk: meson: add sclk-ws driver
2020-09-21Merge tag 'clk-renesas-for-v5.10-tag2' of ↵Stephen Boyd
git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas Pull Renesas clk driver updates from Geert Uytterhoeven: - Add support for the new R-Car V3U (R8A779A0) SoC - Add support for the VSP for Resizing clock on RZ/G1H, - Fix VSP clock names to match corrected hardware documentation. - Minor fixes and improvements * tag 'clk-renesas-for-v5.10-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers: clk: renesas: rcar-gen3: Update description for RZ/G2 clk: renesas: cpg-mssr: Add support for R-Car V3U clk: renesas: cpg-mssr: Add register pointers into struct cpg_mssr_priv clk: renesas: cpg-mssr: Use enum clk_reg_layout instead of a boolean flag dt-bindings: clock: renesas,cpg-mssr: Document r8a779a0 dt-bindings: clock: Add r8a779a0 CPG Core Clock Definitions dt-bindings: power: Add r8a779a0 SYSC power domain definitions clk: renesas: rcar-gen2: Rename vsp1-(sy|rt) clocks to vsp(s|r) clk: renesas: r8a7742: Add clk entry for VSPR
2020-09-17clk: renesas: rcar-gen3: Update description for RZ/G2Lad Prabhakar
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>
2020-09-17clk: renesas: cpg-mssr: Add support for R-Car V3UYoshihiro Shimoda
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>
2020-09-17Merge tag 'renesas-r8a779a0-dt-binding-defs-tag' into clk-renesas-for-v5.10Geert Uytterhoeven
Renesas R-Car V3U DT Binding Definitions Clock and Power Domain definitions for the Renesas R-Car V3U (R8A779A0) SoC, shared by driver and DT source files.
2020-09-17clk: renesas: cpg-mssr: Add register pointers into struct cpg_mssr_privYoshihiro Shimoda
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>
2020-09-17clk: renesas: cpg-mssr: Use enum clk_reg_layout instead of a boolean flagYoshihiro Shimoda
Geert suggested defining multiple register layout variants using an enum [1] to support further devices like R-Car V3U. So, use enum clk_reg_layout instead of a boolean .stbyctrl flag. No behavioral change. [1] https://lore.kernel.org/linux-renesas-soc/CAMuHMdVAgN69p9FFnQdO4iHk2CHkeNaVui2Q-FOY6_BFVjQ-Nw@mail.gmail.com/ Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599810232-29035-2-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-17dt-bindings: clock: renesas,cpg-mssr: Document r8a779a0Yoshihiro Shimoda
Add binding documentation for the R-Car V3U (R8A779A0) Clock Pulse Generator. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599470390-29719-7-git-send-email-yoshihiro.shimoda.uh@renesas.com Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-17clk: samsung: Use cached clk_hws instead of __clk_lookup() callsSylwester Nawrocki
For the CPU clock registration two parent clocks are required, these are now being passed as struct clk_hw pointers, rather than by the global scope names. That allows us to avoid __clk_lookup() calls and simplifies a bit the CPU clock registration function. While at it drop unneeded extern keyword in the function declaration. Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Link: https://lore.kernel.org/r/20200826171529.23618-3-s.nawrocki@samsung.com Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2020-09-17clk: samsung: exynos5420/5250: Add IDs to the CPU parent clk definitionsSylwester Nawrocki
Use non-zero clock IDs in definitions of the CPU parent clocks for exynos5420, exynos5250 SoCs. This will allow us to reference the parent clocks directly in the driver by cached struct clk_hw pointers, rather than doing clk lookup by name. Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Link: https://lore.kernel.org/r/20200826171529.23618-2-s.nawrocki@samsung.com Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2020-09-17clk: samsung: Add clk ID definitions for the CPU parent clocksSylwester Nawrocki
Add clock ID definitions for the CPU parent clocks for SoCs which don't have such definitions yet. This will allow us to reference the parent clocks directly by cached struct clk_hw pointers in the clock provider, rather than doing clk lookup by name. Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200826171529.23618-1-s.nawrocki@samsung.com Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2020-09-17clk: samsung: exynos5420: Avoid __clk_lookup() calls when enabling clocksSylwester Nawrocki
This patch adds a clk ID to the mout_sw_aclk_g3d clk definition so related clk pointer gets cached in the driver's private data and can be used later instead of a __clk_lookup() call. With that we have all clocks used in the clk_prepare_enable() calls in the clk provider init callback cached in clk_data.hws[] and we can reference the clk pointers directly rather than using __clk_lookup() with global names. Link: https://lore.kernel.org/r/20200811151251.31613-2-s.nawrocki@samsung.com Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2020-09-17clk: samsung: exynos5420: Add definition of clock ID for mout_sw_aclk_g3dSylwester Nawrocki
This patch adds ID for the mout_sw_aclk_g3d (SW_CLKMUX_ACLK_G3D) clock, mostly for internal use in the CMU driver. It will allow to avoid the __clk_lookup() call when setting up the clock during the clock provider initialization. Link: https://lore.kernel.org/r/20200811151251.31613-1-s.nawrocki@samsung.com Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2020-09-15clk: samsung: Keep top BPLL mux on Exynos542x enabledMarek Szyprowski
BPLL clock must not be disabled because it is needed for proper DRAM operation. This is normally handled by respective memory devfreq driver, but when that driver is not yet probed or its probe has been deferred the clock might get disabled what causes board hang. Fix this by calling clk_prepare_enable() directly from the clock provider driver. Cc: stable@vger.kernel.org Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Tested-by: Lukasz Luba <lukasz.luba@arm.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200807133143.22748-1-m.szyprowski@samsung.com Fixes: 6e7674c3c6df ("memory: Add DMC driver for Exynos5422") Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
2020-09-10dt-bindings: clock: Add r8a779a0 CPG Core Clock DefinitionsYoshihiro Shimoda
Add all Clock Pulse Generator Core Clock Outputs for the Renesas R-Car V3U (R8A779A0) SoC. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599657211-17504-2-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10dt-bindings: power: Add r8a779a0 SYSC power domain definitionsYoshihiro Shimoda
Add power domain indices for R-Car V3U (r8a779a0). Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1599470390-29719-5-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-10clk: meson: make shipped controller configurableJerome Brunet
Add the necessary bits so unnecessary amlogic clock controllers can be compiled out. This allows to save a few kB when necessary. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20200828154735.435374-1-jbrunet@baylibre.com
2020-09-04clk: renesas: rcar-gen2: Rename vsp1-(sy|rt) clocks to vsp(s|r)Lad Prabhakar
VSP1 instances VSPS (which stands for "VSP Standard") and VSPR (which stands for "VSP for Resizing") were wrongly named as "vsp1-sy" and "vsp1-rt". The clock section in the SoC datasheets misunderstood the abbreviations as meaning VSP System and VSP Realtime, and named the corresponding clocks VSP1(SY) and VSP1(RT). This mistake has been carried over to the kernel code. This patch fixes this by renaming the clock names to "vsps" and "vspr". Inspired from commit 79ea9934b8df ("ARM: shmobile: r8a7790: Rename VSP1_(SY|RT) clocks to VSP1_(S|R)") Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20200831183722.8165-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-09-04clk: renesas: r8a7742: Add clk entry for VSPRLad Prabhakar
Add clock entry 130 for VSPR (VSP for Resizing) module, so that this module can be used on R8A7742 (RZ/G1H) SoC. Alongside rename clock entry "vsp1-sy" to "vsps" (VSP Standard), so that VSP1 clock names are in sync. Note: The entry for VSPR clock was accidentally dropped from RZ/G manual when all the information related to RT were removed. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Link: https://lore.kernel.org/r/20200831180312.7453-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-08-29clk: meson: g12a: mark fclk_div2 as criticalStefan Agner
On Amlogic Meson G12b platform, similar to fclk_div3, the fclk_div2 seems to be necessary for the system to operate correctly as well. Typically, the clock also gets chosen by the eMMC peripheral. This probably masked the problem so far. However, when booting from a SD card the clock seems to get disabled which leads to a system freeze. Let's mark this clock as critical, fixing boot from SD card on G12b platforms. Fixes: 085a4ea93d54 ("clk: meson: g12a: add peripheral clock controller") Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Tested-by: Anand Moon <linux.amoon@gmail.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/577e0129e8ee93972d92f13187ff4e4286182f67.1598629915.git.stefan@agner.ch
2020-08-25clk: sunxi-ng: sun8i: r40: Use sigma delta modulation for audio PLLJernej Skrabec
Audio cores need specific clock rates which can't be simply obtained by adjusting integer multipliers and dividers. HW for such cases supports delta-sigma modulation which enables fractional multipliers. Port H3 delta-sigma table to R40. They have identical audio PLLs. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20200825131049.1277596-1-jernej.skrabec@siol.net
2020-08-25clk: sunxi-ng: add support for the Allwinner A100 CCUYangtao Li
Add support for a100 in the sunxi-ng CCU framework. Signed-off-by: Yangtao Li <frank@allwinnertech.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1eb41bf6c966a0e54820200650d27a5d4f2ac160.1595572867.git.frank@allwinnertech.com
2020-08-25dt-bindings: clk: sunxi-ccu: add compatible string for A100 CCU and R-CCUYangtao Li
This patch adds binding to a100's ccu clock and r-ccu clock. Signed-off-by: Yangtao Li <frank@allwinnertech.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/5791b0a39e7ca2f1c11d3bade9ebeb7fece31230.1595572867.git.frank@allwinnertech.com
2020-08-17clk: meson: axg-audio: fix g12a tdmout sclk inverterJerome Brunet
Fix the tdmout inverter of the g12a and following SoC families. This inverter is special and needs two bits to be the inverse of each other for the inverter to operate properly. Fixes: 075001385c66 ("clk: meson: axg-audio: add g12a support") Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20200729154359.1983085-4-jbrunet@baylibre.com
2020-08-17clk: meson: axg-audio: separate axg and g12a regmap tablesJerome Brunet
There are more differences than what we initially thought. Let's keeps things clear and separate the axg and g12a regmap tables of the audio clock controller. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20200729154359.1983085-3-jbrunet@baylibre.com
2020-08-17clk: meson: add sclk-ws driverJerome Brunet
This is yet another simple but odd driver for the audio block of the g12a and sm1 SoC families. For TDMOUT's sclk to be properly inverted, bit 29 of AUDIO_CLK_TDMOUT_x_CTRL should be the inverse of bit 28. IOW bit28 == !bit29 at all times This setting is automatically applied on axg and the manual setting was added on g12a. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20200729154359.1983085-2-jbrunet@baylibre.com
2020-08-16Linux 5.9-rc1v5.9-rc1Linus Torvalds
2020-08-16Merge tag 'io_uring-5.9-2020-08-15' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull io_uring fixes from Jens Axboe: "A few differerent things in here. Seems like syzbot got some more io_uring bits wired up, and we got a handful of reports and the associated fixes are in here. General fixes too, and a lot of them marked for stable. Lastly, a bit of fallout from the async buffered reads, where we now more easily trigger short reads. Some applications don't really like that, so the io_read() code now handles short reads internally, and got a cleanup along the way so that it's now easier to read (and documented). We're now passing tests that failed before" * tag 'io_uring-5.9-2020-08-15' of git://git.kernel.dk/linux-block: io_uring: short circuit -EAGAIN for blocking read attempt io_uring: sanitize double poll handling io_uring: internally retry short reads io_uring: retain iov_iter state over io_read/io_write calls task_work: only grab task signal lock when needed io_uring: enable lookup of links holding inflight files io_uring: fail poll arm on queue proc failure io_uring: hold 'ctx' reference around task_work queue + execute fs: RWF_NOWAIT should imply IOCB_NOIO io_uring: defer file table grabbing request cleanup for locked requests io_uring: add missing REQ_F_COMP_LOCKED for nested requests io_uring: fix recursive completion locking on oveflow flush io_uring: use TWA_SIGNAL for task_work uncondtionally io_uring: account locked memory before potential error case io_uring: set ctx sq/cq entry count earlier io_uring: Fix NULL pointer dereference in loop_rw_iter() io_uring: add comments on how the async buffered read retry works io_uring: io_async_buf_func() need not test page bit
2020-08-16parisc: fix PMD pages allocation by restoring pmd_alloc_one()Mike Rapoport
Commit 1355c31eeb7e ("asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()") converted parisc to use generic version of pmd_alloc_one() but it missed the fact that parisc uses order-1 pages for PMD. Restore the original version of pmd_alloc_one() for parisc, just use GFP_PGTABLE_KERNEL that implies __GFP_ZERO instead of GFP_KERNEL and memset. Fixes: 1355c31eeb7e ("asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one()") Reported-by: Meelis Roos <mroos@linux.ee> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Tested-by: Meelis Roos <mroos@linux.ee> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Link: https://lkml.kernel.org/r/9f2b5ebd-e4a4-0fa1-6cd3-4b9f6892d1ad@linux.ee Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-15Merge tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: "A few fixes on the block side of things: - Discard granularity fix (Coly) - rnbd cleanups (Guoqing) - md error handling fix (Dan) - md sysfs fix (Junxiao) - Fix flush request accounting, which caused an IO slowdown for some configurations (Ming) - Properly propagate loop flag for partition scanning (Lennart)" * tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block: block: fix double account of flush request's driver tag loop: unset GENHD_FL_NO_PART_SCAN on LOOP_CONFIGURE rnbd: no need to set bi_end_io in rnbd_bio_map_kern rnbd: remove rnbd_dev_submit_io md-cluster: Fix potential error pointer dereference in resize_bitmaps() block: check queue's limits.discard_granularity in __blkdev_issue_discard() md: get sysfs entry after redundancy attr group create
2020-08-15Merge tag 'riscv-for-linus-5.9-mw1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fix from Palmer Dabbelt: "I collected a single fix during the merge window: we managed to break the early trap setup on !MMU, this fixes it" * tag 'riscv-for-linus-5.9-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Setup exception vector for nommu platform
2020-08-15Merge tag 'sh-for-5.9' of git://git.libc.org/linux-shLinus Torvalds
Pull arch/sh updates from Rich Felker: "Cleanup, SECCOMP_FILTER support, message printing fixes, and other changes to arch/sh" * tag 'sh-for-5.9' of git://git.libc.org/linux-sh: (34 commits) sh: landisk: Add missing initialization of sh_io_port_base sh: bring syscall_set_return_value in line with other architectures sh: Add SECCOMP_FILTER sh: Rearrange blocks in entry-common.S sh: switch to copy_thread_tls() sh: use the generic dma coherent remap allocator sh: don't allow non-coherent DMA for NOMMU dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig sh: unexport register_trapped_io and match_trapped_io_handler sh: don't include <asm/io_trapped.h> in <asm/io.h> sh: move the ioremap implementation out of line sh: move ioremap_fixed details out of <asm/io.h> sh: remove __KERNEL__ ifdefs from non-UAPI headers sh: sort the selects for SUPERH alphabetically sh: remove -Werror from Makefiles sh: Replace HTTP links with HTTPS ones arch/sh/configs: remove obsolete CONFIG_SOC_CAMERA* sh: stacktrace: Remove stacktrace_ops.stack() sh: machvec: Modernize printing of kernel messages sh: pci: Modernize printing of kernel messages ...
2020-08-15io_uring: short circuit -EAGAIN for blocking read attemptJens Axboe
One case was missed in the short IO retry handling, and that's hitting -EAGAIN on a blocking attempt read (eg from io-wq context). This is a problem on sockets that are marked as non-blocking when created, they don't carry any REQ_F_NOWAIT information to help us terminate them instead of perpetually retrying. Fixes: 227c0c9673d8 ("io_uring: internally retry short reads") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-08-15io_uring: sanitize double poll handlingJens Axboe
There's a bit of confusion on the matching pairs of poll vs double poll, depending on if the request is a pure poll (IORING_OP_POLL_ADD) or poll driven retry. Add io_poll_get_double() that returns the double poll waitqueue, if any, and io_poll_get_single() that returns the original poll waitqueue. With that, remove the argument to io_poll_remove_double(). Finally ensure that wait->private is cleared once the double poll handler has run, so that remove knows it's already been seen. Cc: stable@vger.kernel.org # v5.8 Reported-by: syzbot+7f617d4a9369028b8a2c@syzkaller.appspotmail.com Fixes: 18bceab101ad ("io_uring: allow POLL_ADD with double poll_wait() users") Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-08-15Merge tag 'perf-tools-2020-08-14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull more perf tools updates from Arnaldo Carvalho de Melo: "Fixes: - Fixes for 'perf bench numa'. - Always memset source before memcpy in 'perf bench mem'. - Quote CC and CXX for their arguments to fix build in environments using those variables to pass more than just the compiler names. - Fix module symbol processing, addressing regression detected via "perf test". - Allow multiple probes in record+script_probe_vfs_getname.sh 'perf test' entry. Improvements: - Add script to autogenerate socket family name id->string table from copy of kernel header, used so far in 'perf trace'. - 'perf ftrace' improvements to provide similar options for this utility so that one can go from 'perf record', 'perf trace', etc to 'perf ftrace' just by changing the name of the subcommand. - Prefer new "sched:sched_waking" trace event when it exists in 'perf sched' post processing. - Update POWER9 metrics to utilize other metrics. - Fall back to querying debuginfod if debuginfo not found locally. Miscellaneous: - Sync various kvm headers with kernel sources" * tag 'perf-tools-2020-08-14' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (40 commits) perf ftrace: Make option description initials all capital letters perf build-ids: Fall back to debuginfod query if debuginfo not found perf bench numa: Remove dead code in parse_nodes_opt() perf stat: Update POWER9 metrics to utilize other metrics perf ftrace: Add change log perf: ftrace: Add set_tracing_options() to set all trace options perf ftrace: Add option --tid to filter by thread id perf ftrace: Add option -D/--delay to delay tracing perf: ftrace: Allow set graph depth by '--graph-opts' perf ftrace: Add support for trace option tracing_thresh perf ftrace: Add option 'verbose' to show more info for graph tracer perf ftrace: Add support for tracing option 'irq-info' perf ftrace: Add support for trace option funcgraph-irqs perf ftrace: Add support for trace option sleep-time perf ftrace: Add support for tracing option 'func_stack_trace' perf tools: Add general function to parse sublevel options perf ftrace: Add option '--inherit' to trace children processes perf ftrace: Show trace column header perf ftrace: Add option '-m/--buffer-size' to set per-cpu buffer size perf ftrace: Factor out function write_tracing_file_int() ...
2020-08-15Merge tag 'x86-urgent-2020-08-15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Misc fixes and small updates all around the place: - Fix mitigation state sysfs output - Fix an FPU xstate/sxave code assumption bug triggered by Architectural LBR support - Fix Lightning Mountain SoC TSC frequency enumeration bug - Fix kexec debug output - Fix kexec memory range assumption bug - Fix a boundary condition in the crash kernel code - Optimize porgatory.ro generation a bit - Enable ACRN guests to use X2APIC mode - Reduce a __text_poke() IRQs-off critical section for the benefit of PREEMPT_RT" * tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/alternatives: Acquire pte lock with interrupts enabled x86/bugs/multihit: Fix mitigation reporting when VMX is not in use x86/fpu/xstate: Fix an xstate size check warning with architectural LBRs x86/purgatory: Don't generate debug info for purgatory.ro x86/tsr: Fix tsc frequency enumeration bug on Lightning Mountain SoC kexec_file: Correctly output debugging information for the PT_LOAD ELF header kexec: Improve & fix crash_exclude_mem_range() to handle overlapping ranges x86/crash: Correct the address boundary of function parameters x86/acrn: Remove redundant chars from ACRN signature x86/acrn: Allow ACRN guest to use X2APIC mode
2020-08-15Merge tag 'sched-urgent-2020-08-15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Two fixes: fix a new tracepoint's output value, and fix the formatting of show-state syslog printouts" * tag 'sched-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/debug: Fix the alignment of the show-state debug output sched: Fix use of count for nr_running tracepoint
2020-08-15Merge tag 'perf-urgent-2020-08-15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc fixes, an expansion of perf syscall access to CAP_PERFMON privileged tools, plus a RAPL HW-enablement for Intel SPR platforms" * tag 'perf-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/rapl: Add support for Intel SPR platform perf/x86/rapl: Support multiple RAPL unit quirks perf/x86/rapl: Fix missing psys sysfs attributes hw_breakpoint: Remove unused __register_perf_hw_breakpoint() declaration kprobes: Remove show_registers() function prototype perf/core: Take over CAP_SYS_PTRACE creds to CAP_PERFMON capability
2020-08-15Merge tag 'locking-urgent-2020-08-15' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixlets from Ingo Molnar: "A documentation fix and a 'fallthrough' macro update" * tag 'locking-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Convert to use the preferred 'fallthrough' macro Documentation/locking/locktypes: Fix a typo
2020-08-15Merge tag '9p-for-5.9-rc1' of git://github.com/martinetd/linuxLinus Torvalds
Pull 9p updates from Dominique Martinet: - some code cleanup - a couple of static analysis fixes - setattr: try to pick a fid associated with the file rather than the dentry, which might sometimes matter * tag '9p-for-5.9-rc1' of git://github.com/martinetd/linux: 9p: Remove unneeded cast from memory allocation 9p: remove unused code in 9p net/9p: Fix sparse endian warning in trans_fd.c 9p: Fix memory leak in v9fs_mount 9p: retrieve fid from file when file instance exist.
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