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2020-01-16Merge branch 'fixes' into nextUlf Hansson1-19/+35
2020-01-16mmc: sdhci_am654: Fix Command Queuing in AM65xFaiz Abbas1-13/+14
Command Queuing was enabled completely for J721e controllers which lead to partial enablement even for Am65x. Complete CQ implementation for AM65x by adding the irq callback. Fixes: f545702b74f9 ("mmc: sdhci_am654: Add Support for Command Queuing Engine to J721E") Cc: [email protected] Signed-off-by: Faiz Abbas <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2020-01-16mmc: sdhci_am654: Reset Command and Data line after tuningFaiz Abbas1-0/+18
The tuning data is leftover in the buffer after tuning. This can cause issues in future data commands, especially with CQHCI. Reset the command and data lines after tuning to continue from a clean state. Fixes: 41fd4caeb00b ("mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver") Cc: [email protected] Signed-off-by: Faiz Abbas <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2020-01-16mmc: sdhci_am654: Remove Inverted Write Protect flagFaiz Abbas1-6/+3
The MMC/SD controllers on am65x and j721e don't in fact detect the write protect line as inverted. No issues were detected because of this because the sdwp line is not connected on any of the evms. Fix this by removing the flag. Fixes: 1accbced1c32 ("mmc: sdhci_am654: Add Support for 4 bit IP on J721E") Cc: [email protected] Signed-off-by: Faiz Abbas <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2020-01-16mmc: sdhci-of-esdhc: fix clock setting for different controller versionsYangbo Lu1-56/+72
This patch is to fix clock setting code for different controller versions. Two of HW changes after vendor version 2.2 are removing PEREN/HCKEN/IPGEN bits in system control register, and adding SD clock stable bit in present state register. This patch cleans up related code too. Signed-off-by: Yangbo Lu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2020-01-16mmc: sdhci-of-esdhc: fix esdhc_reset() for different controller versionsYangbo Lu1-4/+39
This patch is to fix operating in esdhc_reset() for different controller versions, and to add bus-width restoring after data reset for eSDHC (verdor version <= 2.2). Also add annotation for understanding. Signed-off-by: Yangbo Lu <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2020-01-16mmc: sdhci-of-esdhc: update tuning erratum A-008171Yangbo Lu1-13/+26
There is an official update for eSDHC tuning erratum A-008171. This patch is to implement the changes, - Affect all revisions of SoC. - Changes for tuning window checking. - Hardware hits a new condition that tuning succeeds although the eSDHC might not have tuned properly for type2 SoCs (soc_tuning_erratum_type2[] array in driver). So check tuning window after tuning succeeds. Signed-off-by: Yangbo Lu <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2020-01-16mmc: sdhci-of-esdhc: convert to use esdhc_tuning_window_ptr()Yangbo Lu1-13/+21
Convert to use a new function esdhc_tuning_window_ptr() to get tuning window start point and end point. Signed-off-by: Yangbo Lu <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: bcm2835: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-1/+11
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Reviewed-by: Nicolas Saenz Julienne <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: usdhi6rol0: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-4/+8
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA if needed. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: sh_mmcif: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-2/+6
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA if needed. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: pxamci: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-6/+8
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: owl-mmc: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-3/+3
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: mxs: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-3/+3
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: mxcmmc: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-1/+10
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: mmci: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-4/+14
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19mmc: dw_mmc: Use dma_request_chan() instead dma_request_slave_channel()Peter Ujfalusi1-3/+5
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-19Merge branch 'fixes' into nextUlf Hansson1-0/+10
2019-12-19mmc: sdhci-of-esdhc: re-implement erratum A-009204 workaroundYangbo Lu1-0/+10
The erratum A-009204 workaround patch was reverted because of incorrect implementation. 8b6dc6b mmc: sdhci-of-esdhc: Revert "mmc: sdhci-of-esdhc: add erratum A-009204 support" This patch is to re-implement the workaround (add a 5 ms delay before setting SYSCTL[RSTD] to make sure all the DMA transfers are finished). Signed-off-by: Yangbo Lu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Fixes: 5dd195522562 ("mmc: sdhci-of-esdhc: add erratum A-009204 support") Cc: [email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: mmci: Support any block sizes for ux500v2 and qcom variantLinus Walleij2-5/+37
For the ux500v2 variant of the PL18x block, any block sizes are supported. This is necessary to support some SDIO transfers. This also affects the QCOM MMCI variant and the ST micro variant. For Ux500 an additional quirk only allowing DMA on blocks that are a power of two is needed. This might be a bug in the DMA engine (DMA40) or the MMCI or in the interconnect, but the most likely is the MMCI, as transfers of these sizes work fine for other devices using the same DMA engine. DMA works fine also with SDIO as long as the blocksize is a power of 2. This patch has proven necessary for enabling SDIO for WLAN on PostmarketOS-based Ux500 platforms. What we managed to test in practice is Broadcom WiFi over SDIO on the Ux500 based Samsung GT-I8190 and GT-S7710. This WiFi chip, BCM4334 works fine after the patch. Before this patch: brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4334-sdio for chip BCM4334/3 mmci-pl18x 80118000.sdi1_per2: unsupported block size (60 bytes) brcmfmac: brcmf_sdiod_ramrw: membytes transfer failed brcmfmac: brcmf_sdio_download_code_file: error -22 on writing 434236 membytes at 0x00000000 brcmfmac: brcmf_sdio_download_firmware: dongle image file download failed After this patch: brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4334/3 wl0: Nov 21 2012 00:21:28 version 6.10.58.813 (B2) FWID 01-0 Bringing up networks, discovering networks with "iw dev wlan0 scan" and connecting works fine from this point. This patch is inspired by Ulf Hansson's patch http://www.spinics.net/lists/linux-mmc/msg12160.html As the DMA engines on these platforms may now get block sizes they were not used to before, make sure to also respect if the DMA engine says "no" to a transfer. Make a drive-by fix for datactrl_blocksz, misspelled. Cc: Ludovic Barre <[email protected]> Cc: Brian Masney <[email protected]> Cc: Stephan Gerhold <[email protected]> Cc: Niklas Cassel <[email protected]> Cc: Russell King <[email protected]> Signed-off-by: Ulf Hansson <[email protected]> Signed-off-by: Srinivas Kandagatla <[email protected]> Signed-off-by: Linus Walleij <[email protected]> Tested-by: Stephan Gerhold <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2019-12-18mmc: au1xmmc: switch to platform_get_irqYangtao Li1-5/+2
platform_get_resource(pdev, IORESOURCE_IRQ) is not recommended for requesting IRQ's resources, as they can be not ready yet. Using platform_get_irq() instead is preferred for getting IRQ even if it was not retrieved earlier. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: mtk-sd: convert to devm_platform_ioremap_resourceYangtao Li1-2/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: mvsdio: convert to devm_platform_ioremap_resourceYangtao Li1-4/+2
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-msm: convert to devm_platform_ioremap_resourceYangtao Li1-5/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Reviewed-by: Bjorn Andersson <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-milbeaut: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci_am654: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci_f_sdh30: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sh_mmcif: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Reviewed-by: Wolfram Sang <[email protected]> Tested-by: Wolfram Sang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-spear: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-s3c: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: meson-mx-sdio: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: tmio: convert to devm_platform_ioremap_resourceYangtao Li1-3/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Reviewed-by: Wolfram Sang <[email protected]> Tested-by: Wolfram Sang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sunxi-mmc: convert to devm_platform_ioremap_resourceYangtao Li1-2/+1
Use devm_platform_ioremap_resource() to simplify code. Signed-off-by: Yangtao Li <[email protected]> Acked-by: Chen-Yu Tsai <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18Merge branch 'fixes' into nextUlf Hansson4-3/+16
2019-12-18mmc: sdhci: Add a quirk for broken command queuingAdrian Hunter2-0/+5
Command queuing has been reported broken on some systems based on Intel GLK. A separate patch disables command queuing in some cases. This patch adds a quirk for broken command queuing, which enables users with problems to disable command queuing using sdhci module parameters for quirks. Fixes: 8ee82bda230f ("mmc: sdhci-pci: Add CQHCI support for Intel GLK") Signed-off-by: Adrian Hunter <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci: Workaround broken command queuing on Intel GLKAdrian Hunter1-1/+9
Command queuing has been reported broken on some Lenovo systems based on Intel GLK. This is likely a BIOS issue, so disable command queuing for Intel GLK if the BIOS vendor string is "LENOVO". Fixes: 8ee82bda230f ("mmc: sdhci-pci: Add CQHCI support for Intel GLK") Signed-off-by: Adrian Hunter <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-of-esdhc: use 1/2 periperhal clock for ls1088aYangbo Lu1-1/+2
The eSDHC on LS1088A platform uses 1/2 peripheral clock as base clock. Signed-off-by: Yangbo Lu <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-of-esdhc: fix P2020 errata handlingYangbo Lu1-2/+2
Two previous patches introduced below quirks for P2020 platforms. - SDHCI_QUIRK_RESET_AFTER_REQUEST - SDHCI_QUIRK_BROKEN_TIMEOUT_VAL The patches made a mistake to add them in quirks2 of sdhci_host structure, while they were defined for quirks. host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST; host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; This patch is to fix them. host->quirks |= SDHCI_QUIRK_RESET_AFTER_REQUEST; host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; Fixes: 05cb6b2a66fa ("mmc: sdhci-of-esdhc: add erratum eSDHC-A001 and A-008358 support") Fixes: a46e42712596 ("mmc: sdhci-of-esdhc: add erratum eSDHC5 support") Signed-off-by: Yangbo Lu <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: mmci: add threaded irq to abort DPSM of non-functional stateLudovic Barre2-6/+41
The stm32_sdmmc variant has build-in support for datatimeout for R1B requests. If a corresponding IRQ is raised, this triggers the DPSM to stay busy and remains in a non-functional state. Only a reset can bring it back to a functional state. Because a reset must be issued from non-atomic context, let's defer this to be managed from a threaded IRQ handler. Besides the reset, the threaded handler also calls mmc_request_done(), to finally complete the request. Signed-off-by: Ludovic Barre <[email protected]> Link: https://lore.kernel.org/r/[email protected] [Ulf: A few minor updates to the changelog/comments] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: core: Remove mmc_gpiod_request_*(invert_gpio)Michał Mirosław14-37/+24
Now that invert_gpio arguments are unused, let's remove them. Signed-off-by: Michał Mirosław <[email protected]> Link: https://lore.kernel.org/r/64d766d1f8af2e22bce32f4ffa453f7234207ad6.1576031637.git.mirq-linux@rere.qmqm.pl Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: core: Rework cd-gpio handlingMichał Mirosław3-43/+12
There are a few places around the code that invert inverted and possibly inverted CD line. That's really confusing. Squash them all into one place in mmc_gpiod_request_cd(). MMC_CAP2_CD_ACTIVE_HIGH is used analogously to WP line: in GPIO mode it is used only at probe time to switch polarity, for native mode it is left as is. Signed-off-by: Michał Mirosław <[email protected]> Link: https://lore.kernel.org/r/db189b715596d63caf8c6a088bddc71dd69a879b.1576031637.git.mirq-linux@rere.qmqm.pl Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: core: Rework wp-gpio handlingMichał Mirosław5-16/+13
Use MMC_CAP2_RO_ACTIVE_HIGH flag as indicator if GPIO line is to be inverted compared to DT/platform-specified polarity. The flag is not used after init in GPIO mode anyway. No functional changes intended. Signed-off-by: Michał Mirosław <[email protected]> Link: https://lore.kernel.org/r/a60f563f11bbff821da2fa2949ca82922b144860.1576031637.git.mirq-linux@rere.qmqm.pl Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18gpio: add gpiod_toggle_active_low()Michał Mirosław2-0/+18
Add possibility to toggle active-low flag of a gpio descriptor. This is useful for compatibility code, where defaults are inverted vs DT gpio flags or the active-low flag is taken from elsewhere. Acked-by: Linus Walleij <[email protected]> Signed-off-by: Michał Mirosław <[email protected]> Link: https://lore.kernel.org/r/7ce0338e01ad17fa5a227176813941b41a7c35c1.1576031637.git.mirq-linux@rere.qmqm.pl Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: sdhci-s3c: remove unused ext_cd_gpio fieldMichał Mirosław1-2/+0
Signed-off-by: Michał Mirosław <[email protected]> Acked-by: Adrian Hunter <[email protected]> Link: https://lore.kernel.org/r/3f12c2deaae9e77a5e7ab8415db7751a27bc3b98.1575916477.git.mirq-linux@rere.qmqm.pl Signed-off-by: Ulf Hansson <[email protected]>
2019-12-18mmc: cavium: Add missed pci_release_regionsChuhong Yuan1-5/+11
The driver forgets to call pci_release_regions() in probe failure and remove. Add the missed calls to fix it. Signed-off-by: Chuhong Yuan <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
2019-12-16Merge branch 'mmc_pinctrl' into nextUlf Hansson11-76/+40
Merge an immutable pinctrl branch from Linus Walleij's tree, which enables pinctrl code consolidations for mmc. Signed-off-by: Ulf Hansson <[email protected]>
2019-12-16mmc: uniphier-sd: Convert to pinctrl_select_default_state()Ulf Hansson1-9/+5
Let's drop the boilerplate code for managing the default pinctrl state and convert into using the new pinctrl_select_default_state(). Cc: Masahiro Yamada <[email protected]> Signed-off-by: Ulf Hansson <[email protected]> Acked-by: Masahiro Yamada <[email protected]> Acked-by: Linus Walleij <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2019-12-16mmc: jz4740: Convert to pinctrl_select_default_state()Ulf Hansson1-1/+1
Let's move away from using pinctrl_pm_select_default_state() as it's scheduled for removal and use pinctrl_select_default_state() instead. Cc: Paul Cercueil <[email protected]> Signed-off-by: Ulf Hansson <[email protected]> Acked-by: Paul Cercueil <[email protected]> Acked-by: Linus Walleij <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2019-12-16mmc: atmel-mci: Convert to pinctrl_select_default_state()Ulf Hansson1-1/+1
Let's move away from using pinctrl_pm_select_default_state() as it's scheduled for removal and use pinctrl_select_default_state() instead. Cc: Ludovic Desroches <[email protected]> Signed-off-by: Ulf Hansson <[email protected]> Acked-by: Linus Walleij <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2019-12-16mmc: sdhci-esdhc-imx: Convert to pinctrl_select_default_state()Ulf Hansson1-9/+2
Let's drop the boilerplate code for managing the default pinctrl state and convert into using the new pinctrl_select_default_state(). Cc: Adrian Hunter <[email protected]> Signed-off-by: Ulf Hansson <[email protected]> Acked-by: Linus Walleij <[email protected]> Link: https://lore.kernel.org/r/[email protected]
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