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2020-07-13mmc: sdhci-msm: Demote faux kerneldoc header down to basic comment blockLee Jones1-1/+1
__sdhci_msm_set_clock()'s function header is the only one in kerneldoc format. Which seems odd as it's not part of an external API and isn't referenced anywhere else. Seeing as there has also been no attempt to describe the expected function arguments either, we're going to assume that this is not actually a bona fide kerneldoc use-case. Fixes the following W=1 kernel build warnings: drivers/mmc/host/sdhci-msm.c:1595: warning: Function parameter or member 'host' not described in '__sdhci_msm_set_clock' drivers/mmc/host/sdhci-msm.c:1595: warning: Function parameter or member 'clock' not described in '__sdhci_msm_set_clock' Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: linux-arm-msm@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-14-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-of-arasan: Correct formatting and provide missing function arg(s)Lee Jones1-1/+2
Kerneldoc expects arg descriptions to be in the format '@.*: '. If either the '@' or the ':' is omitted then kerneldoc complains that the description is missing. Add the missing ':' here and provide a new description for 'value'. Fixes the following kernel build W=1 warnings: drivers/mmc/host/sdhci-of-arasan.c:1394: warning: Function parameter or member 'host' not described in 'sdhci_arasan_update_support64b' drivers/mmc/host/sdhci-of-arasan.c:1394: warning: Function parameter or member 'value' not described in 'sdhci_arasan_update_support64b' drivers/mmc/host/sdhci-msm.c:1887:6: warning: no previous prototype for ‘sdhci_msm_dump_vendor_regs’ [-Wmissing-prototypes] Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Xiaobo Xie <X.Xie@freescale.com> Cc: Anton Vorontsov <avorontsov@ru.mvista.com> Cc: Soeren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-12-lee.jones@linaro.org Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: rtsx_usb_sdmmc: Remove set but unused variable 'err'Lee Jones1-3/+2
Seeing as sd_wait_data_idle() returns void and only a very specific read value is checked, there doesn't seem to be a good reason to check the return value of rtsx_pci_read_register(). So remove the assignment and definition of 'err'. Squashes the following W=1 kernel build warning: drivers/mmc/host/rtsx_usb_sdmmc.c: In function ‘sd_wait_data_idle’: drivers/mmc/host/rtsx_usb_sdmmc.c:657:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] 657 | int err, i; | ^~~ Cc: Roger Tseng <rogerable@realtek.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-11-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: rtsx_pci_sdmmc: Remove set but unused variable 'err'Lee Jones1-2/+2
Seeing as sd_wait_data_idle() returns void and only a very specific read value is checked, there doesn't seem to be a good reason to check the return value of rtsx_pci_read_register(). So remove the assignment and definition of 'err'. Squashes the following W=1 kernel build warning: drivers/mmc/host/rtsx_pci_sdmmc.c: In function ‘sd_wait_data_idle’: drivers/mmc/host/rtsx_pci_sdmmc.c:678:6: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] 678 | int err, i; | ^~~ Cc: Wei WANG <wei_wang@realsil.com.cn> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-10-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: dw_mmc-exynos: Add kerneldoc descriptions of for 'dev' argsLee Jones1-0/+2
Provide missing documentation for dw_mci_exynos_suspend_noirq() and dw_mci_exynos_resume_noirq() function headers. Fixes the following W=1 kernel build warnings: drivers/mmc/host/dw_mmc-exynos.c:184: warning: Function parameter or member 'dev' not described in 'dw_mci_exynos_suspend_noirq' drivers/mmc/host/dw_mmc-exynos.c:200: warning: Function parameter or member 'dev' not described in 'dw_mci_exynos_resume_noirq' Cc: Jaehoon Chung <jh80.chung@samsung.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Thomas Abraham <thomas.ab@samsung.com> Cc: linux-samsung-soc@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com> Link: https://lore.kernel.org/r/20200701124702.908713-9-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: core: Correct misspelling of 'mq' in mmc_init_request()'s docsLee Jones1-1/+1
Correcting this misspelling squashes the following W=1 build warning(s): mmc/core/queue.c:212: warning: Function parameter or member 'mq' not described in '__mmc_init_request' mmc/core/queue.c:212: warning: Excess function parameter 'q' description in '__mmc_init_request' Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-8-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: atmel-mci: Provide 2 new and correct 1 existing property descriptionLee Jones1-1/+3
'sg_len' and 'dma_conf' are missing correct kerneldoc documentation and 'buf_phys_addr' was misspelled. Correcting these issues fixes the following W=1 kernel build issues: mmc/host/atmel-mci.c:352: warning: Function parameter or member 'sg_len' not described in 'atmel_mci' mmc/host/atmel-mci.c:352: warning: Function parameter or member 'buf_phys_addr' not described in 'atmel_mci' mmc/host/atmel-mci.c:352: warning: Function parameter or member 'dma_conf' not described in 'atmel_mci' Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-7-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: mtk-sd: Demote msdc_recheck_sdio_irq() function headerLee Jones1-2/+1
No other function in the file is documented using kerneldoc and no effort to document the function arguments have been made. It's a bit of an oddity to say the least. Let's downgrade it from kerneldoc to a standard comment block instead. Fixes the following W=1 kernel build warning: drivers/mmc/host/mtk-sd.c:1030: warning: Function parameter or member 'host' not described in 'msdc_recheck_sdio_irq' Cc: Chaotian Jing <chaotian.jing@mediatek.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: linux-mediatek@lists.infradead.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20200701124702.908713-6-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-s3c: Provide documentation for missing struct propertiesLee Jones1-0/+4
Describe properties; ext_cd_irq, clk_rates and no_divider (x2). Squashes the following W=1 kernel build warnings: drivers/mmc/host/sdhci-s3c.c:126: warning: Function parameter or member 'ext_cd_irq' not described in 'sdhci_s3c' drivers/mmc/host/sdhci-s3c.c:126: warning: Function parameter or member 'clk_rates' not described in 'sdhci_s3c' drivers/mmc/host/sdhci-s3c.c:126: warning: Function parameter or member 'no_divider' not described in 'sdhci_s3c' drivers/mmc/host/sdhci-s3c.c:139: warning: Function parameter or member 'no_divider' not described in 'sdhci_s3c_drv_data' Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com> Link: https://lore.kernel.org/r/20200701124702.908713-5-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: core: Add missing documetation for 'mmc' and 'ios'Lee Jones1-0/+2
Remainder of the kerneldoc descriptions look present and correct. Fixes the following W=1 kernel build warnings: drivers/mmc/core/regulator.c:178: warning: Function parameter or member 'mmc' not described in 'mmc_regulator_set_vqmmc' drivers/mmc/core/regulator.c:178: warning: Function parameter or member 'ios' not described in 'mmc_regulator_set_vqmmc' Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-4-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: core: Provide description for sdio_set_host_pm_flags()'s 'flag' argLee Jones1-0/+1
Add missing kerneldoc entry for sdio_set_host_pm_flags()'s 'flag' function argument. Fixes the following W=1 kernel build warning: kernel/drivers/mmc/core/sdio_io.c:722: warning: Function parameter or member 'flags' not described in 'sdio_set_host_pm_flags' Cc: Pierre Ossman <drzeus@drzeus.cx> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-3-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: core: Mark fixups as __maybe_unusedLee Jones1-3/+3
Not all source files which include quirks.h make use of the all of the available fixup information. When this happens the compiler complains that some constant variables are defined by never used. We can fix this by telling the compiler that this intentional by simply marking them as __maybe_unused. Fixes the following W=1 kernel build warnings: In file included from drivers/mmc/core/sdio.c:22: drivers/mmc/core/quirks.h:105:31: warning: ‘mmc_ext_csd_fixups’ defined but not used [-Wunused-const-variable=] 105 | static const struct mmc_fixup mmc_ext_csd_fixups[] = { | ^~~~~~~~~~~~~~~~~~ drivers/mmc/core/quirks.h:17:31: warning: ‘mmc_blk_fixups’ defined but not used [-Wunused-const-variable=] 17 | static const struct mmc_fixup mmc_blk_fixups[] = { | ^~~~~~~~~~~~~~ In file included from drivers/mmc/core/mmc.c:25: drivers/mmc/core/quirks.h:123:31: warning: ‘sdio_fixup_methods’ defined but not used [-Wunused-const-variable=] 123 | static const struct mmc_fixup sdio_fixup_methods[] = { | ^~~~~~~~~~~~~~~~~~ drivers/mmc/core/quirks.h:17:31: warning: ‘mmc_blk_fixups’ defined but not used [-Wunused-const-variable=] 17 | static const struct mmc_fixup mmc_blk_fixups[] = { | ^~~~~~~~~~~~~~ Cc: Andrei Warkentin <andreiw@motorola.com> Cc: Martin Mares <mj@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20200701124702.908713-2-lee.jones@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-msm: Make function sdhci_msm_dump_vendor_regs() staticHulk Robot1-1/+1
Fix sparse build warning: drivers/mmc/host/sdhci-msm.c:1888:6: warning: symbol 'sdhci_msm_dump_vendor_regs' was not declared. Should it be static? Signed-off-by: Hulk Robot <hulkci@huawei.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20200702020347.77214-1-weiyongjun1@huawei.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: renesas_sdhi_internal_dmac: Fix dma unmapping in error casesYoshihiro Shimoda1-0/+12
If this controller doesn't issue interrupt for response of command, this driver lacks to call dma_unmap_sg(). So, fix the issue by using end() of struct tmio_mmc_dma_ops. Reported-by: Takeshi Saito <takeshi.saito.xv@renesas.com> Fixes: 2a68ea7896e3 ("mmc: renesas-sdhi: add support for R-Car Gen3 SDHI DMAC") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1590044466-28372-4-git-send-email-yoshihiro.shimoda.uh@renesas.com Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: renesas_sdhi_internal_dmac: clean up the code for dma completeYoshihiro Shimoda1-5/+13
To add end() operation in the future, clean the code of renesas_sdhi_internal_dmac_complete_tasklet_fn(). No behavior change. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1590044466-28372-3-git-send-email-yoshihiro.shimoda.uh@renesas.com Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: tmio: core: Add end operation into tmio_mmc_dma_opsYoshihiro Shimoda2-0/+11
Related drivers like renesas_sdhi_internal_dmac are possible to lack dma unmaping in error cases (for example response timeout). Since tmio_mmc_finish_request() will be always called in any case, to fix the issue, add end operation into struct tmio_mmc_dma_ops and call the operation in tmio_mmc_finish_request() to call dma_ummap API by the related drivers correctly. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1590044466-28372-2-git-send-email-yoshihiro.shimoda.uh@renesas.com Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdio: Move SDIO IDs from rsi_sdio driver to common include filePali Rohár3-8/+8
Define appropriate macro names for consistency with other macros. Signed-off-by: Pali Rohár <pali@kernel.org> Link: https://lore.kernel.org/r/20200629072144.24351-1-pali@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-msm: Use internal voltage controlVeerabhadrarao Badiganti1-9/+197
On qcom SD host controllers voltage switching be done after the HW is ready for it. The HW informs its readiness through power irq. The voltage switching should happen only then. Use the internal voltage switching and then control the voltage switching using power irq. IO-bus supply of eMMC would be kept always-on. So set the load for this supply to configure it in LPM when eMMC is suspend state and in HPM when eMMC is active. Co-developed-by: Asutosh Das <asutoshd@codeaurora.org> Signed-off-by: Asutosh Das <asutoshd@codeaurora.org> Co-developed-by: Vijay Viswanath <vviswana@codeaurora.org> Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org> Co-developed-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org> Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org> Link: https://lore.kernel.org/r/1592919288-1020-4-git-send-email-vbadigan@codeaurora.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: core: Set default power mode in mmc_alloc_host()Veerabhadrarao Badiganti2-1/+1
Set the default power mode, MMC_POWER_UNDEFINED, in mmc_alloc_host() rather than in mmc_start_host(). This enables host drivers to make use of the initial state during ->probe(). Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org> Link: https://lore.kernel.org/r/1592919288-1020-3-git-send-email-vbadigan@codeaurora.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci: Allow platform controlled voltage switchingVijay Viswanath2-13/+20
If vendor platform drivers are controlling whole logic of voltage switching, then sdhci driver no need control vqmmc regulator. So skip enabling/disable vqmmc from SDHC driver. Signed-off-by: Vijay Viswanath <vviswana@codeaurora.org> Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/1592919288-1020-2-git-send-email-vbadigan@codeaurora.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-acpi: For amd device set driver type as MMC_SET_DRIVER_TYPE_AAkshu Agrawal1-0/+1
HS400/HS200/eMMC HS doesn't have Preset Value register. Hence, sdhci_set_ios function overrides the value set by fmw to SDHCI_CTRL_DRV_TYPE_B. This patch sets drv_type to MMC_SET_DRIVER_TYPE_A so that host_control2 register gets updated with the required strength value. Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20200623133347.4598-1-akshu.agrawal@amd.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-esdhc-imx: dump internal IC debug status during errorHaibo Chen1-0/+39
USDHC of i.MX has internal IC debug register, which record the IC logical status. So dump these logical status in error condition, this can help analyzing issue. Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/1592985830-13038-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdio: fix clock rate setting for SDR12/SDR25 modeHaibo Chen1-7/+8
In current code logic, when work in SDR12/SDR25 mode, the final clock rate is incorrect, just the legancy 400KHz, because the card->sw_caps.sd3_bus_mode do not has the flag SD_MODE_UHS_SDR12 or SD_MODE_UHS_SDR25. Besides, SDIO_SPEED_SDR12 is actually value 0, and every mode need to config the timing and clock rate, so remove the ‘if’ operator. Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Tested-by: Pali Rohár <pali@kernel.org> Link: https://lore.kernel.org/r/1592813959-5914-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci_am654: Add support for clkbuf_sel propertyFaiz Abbas1-0/+11
Add support for writing new clkbuf_sel property for the J721e 4 bit IP. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Link: https://lore.kernel.org/r/20200619125801.9530-7-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci_am654: Update delay chain configurationFaiz Abbas1-1/+9
For speed modes where DLL is not enabled write to TXDLYCLK to enable transmitter delay chain mode. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200619125801.9530-6-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci_am654: Fix conditions for enabling dllFaiz Abbas1-22/+20
The clock > CLOCK_TOO_SLOW_HZ condition gating phy configuration is only required because dll should not be enabled at too low a clock frequency or too low timing. Make sure that this condition only gates dll enablement. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200619125801.9530-5-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci_am654: Add Support for SR2.0Faiz Abbas1-1/+22
Add Support for AM65x PG2.0. Use the SoC bus framework to fixup the driver data and skip do DLL calibration if the revision is 1.0 Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200619125801.9530-4-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci_am654: Add flag for PHY calibrationFaiz Abbas1-3/+5
Not all controllers need calibration for the PHY DLL. Add a DLL_CALIB flag to indicate the same. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200619125801.9530-3-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13dt-bindings: mmc: sdhci-am654: Add ti,clkbuf-sel bindingFaiz Abbas1-0/+1
Add documentation for the clock buffer select phy property in the am654x and j721e 4 bit IP Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200619125801.9530-2-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13dt-bindings: mmc: Convert pwrseq to json-schemaJisheng Zhang6-72/+147
Convert the pwrseq binding to DT schema format using json-schema. At the same time, fix a couple of issues with the examples discovered by the validation tool -- missing ";" Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> Link: https://lore.kernel.org/r/20200622164431.3dbc8c5a@xhacker.debian Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sh_mmcif: Use "kHz" for kilohertzGeert Uytterhoeven1-3/+3
"K" stands for "kelvin". While at it, make the spacing before units consistent. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20200618080321.16678-1-geert+renesas@glider.be Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-msm: Fix spelling mistakeFlavio Suligoi1-1/+1
Fix typo: "trigered" --> "triggered" Signed-off-by: Flavio Suligoi <f.suligoi@asem.it> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20200617151938.30217-1-f.suligoi@asem.it Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: mmci: add sdio datactrl mask for sdmmc revisionsLudovic Barre1-0/+2
This patch adds datactrl_mask_sdio for sdmmc revisions. sdmmc revisions used same bit of previous ST variant. Signed-off-by: Ludovic Barre <ludovic.barre@st.com> Link: https://lore.kernel.org/r/20200611132839.4515-1-ludovic.barre@st.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-of-arasan: Add missed checks for devm_clk_register()Chuhong Yuan1-0/+4
These functions do not check the return value of devm_clk_register(): - sdhci_arasan_register_sdcardclk() - sdhci_arasan_register_sampleclk() Therefore, add the missed checks to fix them. Fixes: c390f2110adf1 ("mmc: sdhci-of-arasan: Add ability to export card clock") Signed-off-by: Chuhong Yuan <hslester96@gmail.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200608162226.3259186-1-hslester96@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdio: Fix 1-bit mode for SD-combo cards during suspendYue Hu1-1/+22
Commit 6b5eda369ac3 ("sdio: put active devices into 1-bit mode during suspend") disabled 4-bit mode during system suspend. After this patch, commit 7310ece86ad7 ("mmc: implement SD-combo (IO+mem) support") used new sdio_enable_4bit_bus() instead of sdio_enable_wide() to support SD-combo cards, also for card resume. However, no corresponding support added during suspend. That is not correct. Let's fix it. Signed-off-by: Yue Hu <huyue2@yulong.com> Link: https://lore.kernel.org/r/20200609081431.6376-1-zbestahu@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdio: Enable SDIO 4-bit bus if not support SD_SCR_BUS_WIDTH_4 for SD combo cardYue Hu1-14/+12
If the card type is SD combo(MMC_TYPE_SD_COMBO) and the memory part does not support wider bus(SD_SCR_BUS_WIDTH_4), nothing will be done except return 0. However, we should check whether IO part support wider bus or not. We should use available IO ability if supported. In addition, there's a duplicated check to MMC_CAP_4_BIT_DATA since sdio_enable_wide() will include that check. And we can also save one call site to sdio_enable_wide() after this change. Signed-off-by: Yue Hu <huyue2@yulong.com> Link: https://lore.kernel.org/r/20200608103009.5000-1-zbestahu@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdio: Return ret if sdio_disable_func() failsYue Hu1-1/+1
We should return any possible error returned by mmc_io_rw_direct() rather than only -EIO in sdio_disable_func() failure path. Signed-off-by: Yue Hu <huyue2@yulong.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200604100102.13572-1-zbestahu@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-tegra: Add comment for PADCALIB and PAD_CONTROL NVQUIRKSSowjanya Komatineni1-0/+9
This patch adds comments about NVQUIRKS HAS_PADCALIB and NEEDS_PAD_CONTROL. Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com> Link: https://lore.kernel.org/r/1591326240-28928-1-git-send-email-skomatineni@nvidia.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13dt-bindings: mmc: sdhci-msm: Add interconnect BW scaling stringsPradeep P V K1-0/+18
Add interconnect bandwidth scaling supported strings for qcom-sdhci controller. Signed-off-by: Pradeep P V K <ppvk@codeaurora.org> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/1591691846-7578-3-git-send-email-ppvk@codeaurora.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: sdhci-msm: Add interconnect bandwidth scaling supportPradeep P V K1-0/+6
Interconnect bandwidth scaling support is now added as a part of OPP. So, make sure interconnect driver is ready before handling interconnect scaling. Signed-off-by: Pradeep P V K <ppvk@codeaurora.org> Reviewed-by: Sibi Sankar <sibis@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Link: https://lore.kernel.org/r/1591691846-7578-2-git-send-email-ppvk@codeaurora.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-13mmc: core: Always allow the card detect uevent to be consumedUlf Hansson3-5/+9
The approach to allow userspace ~5s to consume the uevent, which is triggered when a new card is inserted/initialized, currently requires the mmc host to support system wakeup. This is unnecessary limiting, especially for an mmc host that relies on a GPIO IRQ for card detect. More precisely, the mmc host may not support system wakeup for its corresponding struct device, while the GPIO IRQ still could be configured as a wakeup IRQ via enable_irq_wake(). To support all various cases, let's simply drop the need for the wakeup support. Instead let's always register a wakeup source and activate it for all card detect IRQs by calling __pm_wakeup_event(). Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20200529102341.12529-1-ulf.hansson@linaro.org
2020-07-12Linux 5.8-rc5Linus Torvalds1-1/+1
2020-07-12io_uring: fix not initialised work->flagsPavel Begunkov1-1/+2
59960b9deb535 ("io_uring: fix lazy work init") tried to fix missing io_req_init_async(), but left out work.flags and hash. Do it earlier. Fixes: 7cdaf587de7c ("io_uring: avoid whole io_wq_work copy for requests completed inline") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-12io_uring: fix missing msg_name assignmentPavel Begunkov1-0/+2
Ensure to set msg.msg_name for the async portion of send/recvmsg, as the header copy will copy to/from it. Cc: stable@vger.kernel.org # v5.5+ Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-10mips: Remove compiler check in unroll macroNathan Chancellor1-3/+1
CONFIG_CC_IS_GCC is undefined when Clang is used, which breaks the build (see our Travis link below). Clang 8 was chosen as a minimum version for this check because there were some improvements around __builtin_constant_p in that release. In reality, MIPS was not even buildable until clang 9 so that check was not technically necessary. Just remove all compiler checks and just assume that we have a working compiler. Fixes: d4e60453266b ("Restore gcc check in mips asm/unroll.h") Link: https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/359642821 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-07-10mlxsw: pci: Fix use-after-free in case of failed devlink reloadIdo Schimmel1-16/+38
In case devlink reload failed, it is possible to trigger a use-after-free when querying the kernel for device info via 'devlink dev info' [1]. This happens because as part of the reload error path the PCI command interface is de-initialized and its mailboxes are freed. When the devlink '->info_get()' callback is invoked the device is queried via the command interface and the freed mailboxes are accessed. Fix this by initializing the command interface once during probe and not during every reload. This is consistent with the other bus used by mlxsw (i.e., 'mlxsw_i2c') and also allows user space to query the running firmware version (for example) from the device after a failed reload. [1] BUG: KASAN: use-after-free in memcpy include/linux/string.h:406 [inline] BUG: KASAN: use-after-free in mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675 Write of size 4096 at addr ffff88810ae32000 by task syz-executor.1/2355 CPU: 1 PID: 2355 Comm: syz-executor.1 Not tainted 5.8.0-rc2+ #29 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xf6/0x16e lib/dump_stack.c:118 print_address_description.constprop.0+0x1c/0x250 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 check_memory_region_inline mm/kasan/generic.c:186 [inline] check_memory_region+0x14e/0x1b0 mm/kasan/generic.c:192 memcpy+0x39/0x60 mm/kasan/common.c:106 memcpy include/linux/string.h:406 [inline] mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675 mlxsw_cmd_exec+0x249/0x550 drivers/net/ethernet/mellanox/mlxsw/core.c:2335 mlxsw_cmd_access_reg drivers/net/ethernet/mellanox/mlxsw/cmd.h:859 [inline] mlxsw_core_reg_access_cmd drivers/net/ethernet/mellanox/mlxsw/core.c:1938 [inline] mlxsw_core_reg_access+0x2f6/0x540 drivers/net/ethernet/mellanox/mlxsw/core.c:1985 mlxsw_reg_query drivers/net/ethernet/mellanox/mlxsw/core.c:2000 [inline] mlxsw_devlink_info_get+0x17f/0x6e0 drivers/net/ethernet/mellanox/mlxsw/core.c:1090 devlink_nl_info_fill.constprop.0+0x13c/0x2d0 net/core/devlink.c:4588 devlink_nl_cmd_info_get_dumpit+0x246/0x460 net/core/devlink.c:4648 genl_lock_dumpit+0x85/0xc0 net/netlink/genetlink.c:575 netlink_dump+0x515/0xe50 net/netlink/af_netlink.c:2245 __netlink_dump_start+0x53d/0x830 net/netlink/af_netlink.c:2353 genl_family_rcv_msg_dumpit.isra.0+0x296/0x300 net/netlink/genetlink.c:638 genl_family_rcv_msg net/netlink/genetlink.c:733 [inline] genl_rcv_msg+0x78d/0x9d0 net/netlink/genetlink.c:753 netlink_rcv_skb+0x152/0x440 net/netlink/af_netlink.c:2469 genl_rcv+0x24/0x40 net/netlink/genetlink.c:764 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x53a/0x750 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x850/0xd90 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0x150/0x190 net/socket.c:672 ____sys_sendmsg+0x6d8/0x840 net/socket.c:2363 ___sys_sendmsg+0xff/0x170 net/socket.c:2417 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2450 do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: a9c8336f6544 ("mlxsw: core: Add support for devlink info command") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()Ido Schimmel1-1/+1
We should not trigger a warning when a memory allocation fails. Remove the WARN_ON(). The warning is constantly triggered by syzkaller when it is injecting faults: [ 2230.758664] FAULT_INJECTION: forcing a failure. [ 2230.758664] name failslab, interval 1, probability 0, space 0, times 0 [ 2230.762329] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28 ... [ 2230.898175] WARNING: CPU: 3 PID: 1407 at drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:6265 mlxsw_sp_router_fib_event+0xfad/0x13e0 [ 2230.898179] Kernel panic - not syncing: panic_on_warn set ... [ 2230.898183] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28 [ 2230.898190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014 Fixes: 3057224e014c ("mlxsw: spectrum_router: Implement FIB offload in deferred work") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10net: macb: fix call to pm_runtime in the suspend/resume functionsNicolas Ferre1-2/+4
The calls to pm_runtime_force_suspend/resume() functions are only relevant if the device is not configured to act as a WoL wakeup source. Add the device_may_wakeup() test before calling them. Fixes: 3e2a5e153906 ("net: macb: add wake-on-lan support via magic packet") Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: Harini Katakam <harini.katakam@xilinx.com> Cc: Sergio Prado <sergio.prado@e-labworks.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10net: macb: fix macb_suspend() by removing call to netif_carrier_off()Nicolas Ferre1-1/+0
As we now use the phylink call to phylink_stop() in the non-WoL path, there is no need for this call to netif_carrier_off() anymore. It can disturb the underlying phylink FSM. Fixes: 7897b071ac3b ("net: macb: convert to phylink") Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: Harini Katakam <harini.katakam@xilinx.com> Cc: Antoine Tenart <antoine.tenart@bootlin.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10net: macb: fix macb_get/set_wol() when moving to phylinkNicolas Ferre1-6/+12
Keep previous function goals and integrate phylink actions to them. phylink_ethtool_get_wol() is not enough to figure out if Ethernet driver supports Wake-on-Lan. Initialization of "supported" and "wolopts" members is done in phylink function, no need to keep them in calling function. phylink_ethtool_set_wol() return value is considered and determines if the MAC has to handle WoL or not. The case where the PHY doesn't implement WoL leads to the MAC configuring it to provide this feature. Fixes: 7897b071ac3b ("net: macb: convert to phylink") Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: Harini Katakam <harini.katakam@xilinx.com> Cc: Antoine Tenart <antoine.tenart@bootlin.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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