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2020-09-28mmc: sdhci_am654: Add support for input tap delayFaiz Abbas1-30/+84
DLL need only be enabled for speed modes and clock frequencies at or above 50 MHz. For speed modes that don't enable the DLL, we need to configure a static input delay value. This involves reading an optional itap-del-sel-* value from the device tree and configuring it for the appropriate speed mode. With this addition, make sure that DLL is always switched off at the beginning of the set_clock() call to simplify configuration. This also removes the need for the dll_on member in struct sdhci_am654_data. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200923105206.7988-5-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28mmc: sdhci_am654: Fix hard coded otap delay array sizeFaiz Abbas1-21/+21
Change hard coded array size value to depend on struct timing_data array size. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200923105206.7988-4-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28dt-bindings: mmc: sdhci-am654: Add documentation for input tap delayFaiz Abbas1-0/+43
Add documentation for input tap delay bindings. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200923105206.7988-3-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28dt-bindings: mmc: sdhci-am654: Convert sdhci-am654 controller documentation to json schemaFaiz Abbas2-65/+175
Convert sdhci-am654 documentation to yaml format. The new file sdhci-am654.yaml will inherit from mmc-controller.yaml. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Link: https://lore.kernel.org/r/20200923105206.7988-2-faiz_abbas@ti.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28mmc: sdhci-of-esdhc: fix reference clock source selectionYangbo Lu1-6/+12
The bit ESDHC_PERIPHERAL_CLK_SEL to select using peripheral clock or platform clock is not able to be reset by SDHCI_RESET_ALL. So driver needs to initialize it as 1 or 0 once, to override the different value which may be configured in bootloader. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Link: https://lore.kernel.org/r/20200927082304.9232-1-yangbo.lu@nxp.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28mmc: host: fix depends for MMC_MESON_GX w/ COMPILE_TESTRandy Dunlap1-0/+1
Fix build errors for meson-gx-mmc.c when CONFIG_COMMON_CLK is not set/enabled. This can happen when COMPILE_TEST is set/enabled. ERROR: modpost: "clk_divider_ops" [drivers/mmc/host/meson-gx-mmc.ko] undefined! ERROR: modpost: "devm_clk_register" [drivers/mmc/host/meson-gx-mmc.ko] undefined! ERROR: modpost: "clk_mux_ops" [drivers/mmc/host/meson-gx-mmc.ko] undefined! ERROR: modpost: "__clk_get_name" [drivers/mmc/host/meson-gx-mmc.ko] undefined! Fixes: 54d8454436a2 ("mmc: host: Enable compile testing of multiple drivers") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/r/20200925164323.29843-1-rdunlap@infradead.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28mmc: sdhci: Workaround broken command queuing on Intel GLK based IRBIS modelsHans de Goede1-1/+2
Commit bedf9fc01ff1 ("mmc: sdhci: Workaround broken command queuing on Intel GLK"), disabled command-queuing on Intel GLK based LENOVO models because of it being broken due to what is believed to be a bug in the BIOS. It seems that the BIOS of some IRBIS models, including the IRBIS NB111 model has the same issue, so disable command queuing there too. Fixes: bedf9fc01ff1 ("mmc: sdhci: Workaround broken command queuing on Intel GLK") BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=209397 Reported-and-tested-by: RussianNeuroMancer <russianneuromancer@ya.ru> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20200927104821.5676-1-hdegoede@redhat.com Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-28memstick: Skip allocating card when removing hostKai-Heng Feng2-0/+5
After commit 6827ca573c03 ("memstick: rtsx_usb_ms: Support runtime power management"), removing module rtsx_usb_ms will be stuck. The deadlock is caused by powering on and powering off at the same time, the former one is when memstick_check() is flushed, and the later is called by memstick_remove_host(). Soe let's skip allocating card to prevent this issue. Fixes: 6827ca573c03 ("memstick: rtsx_usb_ms: Support runtime power management") Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Link: https://lore.kernel.org/r/20200925084952.13220-1-kai.heng.feng@canonical.com Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-25mmc: sdhci-s3c: hide forward declaration of of_device_id behind CONFIG_OFKrzysztof Kozlowski1-0/+2
The struct of_device_id is not defined with !CONFIG_OF so its forward declaration should be hidden to as well. This should address clang compile warning: drivers/mmc/host/sdhci-s3c.c:464:34: warning: tentative array definition assumed to have one element Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200925072532.10272-1-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-25mmc: sdhci: fix indentation mistakesKrzysztof Kozlowski2-3/+3
Fix inconsistent indenting, reported by Smatch: drivers/mmc/host/sdhci-esdhc-imx.c:1380 sdhci_esdhc_imx_hwinit() warn: inconsistent indenting drivers/mmc/host/sdhci-sprd.c:390 sdhci_sprd_request_done() warn: inconsistent indenting Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200923153739.30327-2-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-25mmc: moxart: remove unneeded check for drvdataKrzysztof Kozlowski1-12/+11
The 'struct mmc_host *mmc' comes from drvdata set at the end of probe, so it cannot be NULL. The code already dereferences it few lines before the check with mmc_priv(). This also fixes smatch warning: drivers/mmc/host/moxart-mmc.c:692 moxart_remove() warn: variable dereferenced before check 'mmc' (see line 688) Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200923153739.30327-1-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-25mmc: renesas_sdhi: drop local flag for tuningWolfram Sang2-4/+1
The MMC core has now a generic check if some tuning is in progress. Its protected area is a bit larger than the custom one in this driver but we concluded that this works equally well for the intended case. So, drop the local flag and switch to the generic one. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20200922172253.4458-1-wsa@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-25mmc: rtsx_usb_sdmmc: simplify the return expression of sd_change_phase()Qinglang Miao1-6/+1
Simplify the return expression. Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Link: https://lore.kernel.org/r/20200921131042.92340-1-miaoqinglang@huawei.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-25mmc: core: document mmc_hw_reset()Wolfram Sang1-0/+10
Add documentation for mmc_hw_reset to make sure the intended use case is clear. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20200918215446.65654-1-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-24mmc: mediatek: Drop pointer to mmc_host from msdc_hostAmey Narkhede1-20/+25
The MediaTek MMC driver uses pointer to get from private msdc_host structure to the generic mmc_host structure. However mmc_host always precedes msdc_host in memory so compute its address with a subtraction (which is cheaper than a dereference) using mmc_from_priv() and drop the extra pointer. Signed-off-by: Amey Narkhede <ameynarkhede03@gmail.com> Link: https://lore.kernel.org/r/20200917192624.548720-1-ameynarkhede03@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-24dt-bindings: mmc: owl: add compatible string actions,s700-mmcAmit Singh Tomar1-1/+5
The commit adds a new SoC specific compatible string "actions,s700-mmc" in combination with more generic string "actions,owl-mmc". Placement order of these strings should abide by the principle of "from most specific to most general". Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com> Link: https://lore.kernel.org/r/1599801849-6071-1-git-send-email-amittomer25@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-14mmc: core: clear 'doing_init_tune' also after failuresWolfram Sang1-4/+4
Reorganize the code, so that the flag is always cleared independently of a good or bad case. Fixes: 97a7d87e96b0 ("mmc: core: add a 'doing_init_tune' flag and a 'mmc_doing_tune' helper") Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://lore.kernel.org/r/20200914112845.21855-1-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-14mmc: mmc_spi: Fix mmc_spi_dma_alloc() return type for !HAS_DMAGeert Uytterhoeven1-1/+1
If CONFIG_NO_DMA=y (e.g. Sun-3 allmodconfig): drivers/mmc/host/mmc_spi.c:1323:15: warning: return type defaults to ‘int’ [-Wreturn-type] static inline mmc_spi_dma_alloc(struct mmc_spi_host *host) { return 0; } ^~~~~~~~~~~~~~~~~ Fix this by adding the missing return type. Fixes: a395acf0f6dc6409 ("mmc: mmc_spi: Allow the driver to be built when CONFIG_HAS_DMA is unset") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/20200914094243.3912-1-geert@linux-m68k.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-11mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table()Viresh Kumar1-9/+5
dev_pm_opp_of_remove_table() doesn't report any errors when it fails to find the OPP table with error -ENODEV (i.e. OPP table not present for the device). And we can call dev_pm_opp_of_remove_table() unconditionally here. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/890ae5601594fca5de104695a682f4b6efbc631b.1599660554.git.viresh.kumar@linaro.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-09mmc: renesas_sdhi: support manual calibrationWolfram Sang2-2/+155
Some R-Car Gen3 SoCs need some manual correction of timing parameters after the automatic tuning has finished but before next CMD13 is completed. This patch implements that by this state machine: - introducing a per-SoC correction table if needed - iff such a table exists, the 'fixup_request' callback is populated during probe - iff such a table exists, a runtime flag ('needs_adjust_hs400') is set when HS400 tuning was completed - the callback will check the runtime flag and enable the corrected manual mode if the flag is set and CMD13 is encountered - at the end of the enablement the runtime flag is cleared - iff the configuration flag is set, the manual mode will be disabled when HS400 gets downgraded There also some helper functions added to access the TMPPORT registers. The actual correction table is SoC and instance(!) specific and is added to the quirks struct. Signed-off-by: Takeshi Saito <takeshi.saito.xv@renesas.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20200902081812.1591-3-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-09mmc: tmio: add generic hook to fixup after a completed requestWolfram Sang2-0/+4
Sadly, due to HW bugs, we need a callback to work around issues just before completing the request. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20200902081812.1591-2-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-08mmc: Drop COMPILE_TEST Kconfig option for MMC_S3CUlf Hansson1-1/+1
MMC_S3C isn't ready yet to be built with COMPILE_TEST, hence drop it. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20200908140242.743234-1-ulf.hansson@linaro.org Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-09-07mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that are newer than 5.4Douglas Anderson5-0/+5
This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to have been added after kernel 5.4. Signed-off-by: Douglas Anderson <dianders@chromium.org> Acked-by: Lars Povlsen <lars.povlsen@microchip.com> Acked-by: Angelo Dureghello <angelo.dureghello@timesys.com> Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Link: https://lore.kernel.org/r/20200903162412.6.Ib121debfb18e5f923a3cd38fe9c36aa086c650c5@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v5.4Douglas Anderson5-0/+6
This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to be around in the v5.4 timeframe. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200903162412.5.I2b630c4d40ff4ea61d5b30b8ccfe95890e257100@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.19Douglas Anderson5-0/+5
This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to be around in the v4.19 timeframe. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200903162412.4.I84eb3e0a738635d524c90d1a688087bc295f7c32@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.14Douglas Anderson8-0/+8
This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to be around in the v4.14 timeframe. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> # SDHI drivers Link: https://lore.kernel.org/r/20200903162412.3.Id1ff21470f08f427aedd0a6535dcd83ccc56b278@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.9Douglas Anderson2-0/+2
This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to be around in the v4.9 timeframe. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200903162412.2.I226782b43191ce367fa3bc1c907c29f571890412@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.4Douglas Anderson44-0/+44
This is like commit 3d3451124f3d ("mmc: sdhci-msm: Prefer asynchronous probe") but applied to a whole pile of drivers. This batch converts the drivers that appeared to be around in the v4.4 timeframe. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> # SH_MMCIF Tested-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20200903162412.1.Id501e96fa63224f77bb86b2135a5e8324ffb9c43@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: host: Enable compile testing of multiple driversKrzysztof Kozlowski1-19/+21
Multiple MMC host controller driver can be compile tested as they do not depend on architecture specific headers. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200907105254.31097-1-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: host: Drop unneeded MMC dependency in KconfigKrzysztof Kozlowski1-2/+2
All entries in Kconfig are already part of "if MMC", so there is no need for additional dependency on MMC. Suggested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200904164315.24618-1-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: renesas_sdhi: Drop local dma_parmsRobin Murphy1-4/+0
Since commit 9495b7e92f71 ("driver core: platform: Initialize dma_parms for platform devices"), struct platform_device already provides a dma_parms structure, so we can save allocating another one. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/85e1fc97dbec3dea96102785a5e308ccb5e91cfe.1599167798.git.robin.murphy@arm.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: omap-hsmmc: remove redundant null checkXu Wang1-12/+6
Because clk_disable_unprepare already checked NULL clock parameter, so the additional checks are unnecessary, just remove them. Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Link: https://lore.kernel.org/r/20200903084825.85616-1-vulab@iscas.ac.cn Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: core: simplify an expressionWolfram Sang1-1/+1
We already have 'host' as a variable, so use it. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20200901150250.26236-5-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: renesas_sdhi: keep SCC clock active when tuningWolfram Sang1-2/+6
Tuning procedure switches to lower frequencies but that will turn the SCC off and accessing its register then will hang. So, check when we are tuning and keep the current setup of the external clock if we are doing so. Note that we still switch to the lower frequency because of the internal divider. We just make sure to not modify the external clock. This patch depends on a MMC core patch calling the downgrade function earlier. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20200901150250.26236-4-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: core: add a 'doing_init_tune' flag and a 'mmc_doing_tune' helperWolfram Sang2-0/+10
Our driver needs to know when tuning is in progress. 'doing_retune' only covers re-tuning, not the initial tuning. Add another flag to detect the initial tuning state and add a helper which tells us if any kind of tuning is going on. Only implemented for MMC currently because that's where we need it. SD can be added later if it becomes necessary. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20200901150250.26236-3-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: core: when downgrading HS400, callback into drivers earlierWolfram Sang1-6/+6
The driver specific downgrade function makes more sense if we run it before we set the timing to something lower, not after. Otherwise some non-HS400 communication has already happened. No need to convert users. There is only one currently which needs this change in a following patch. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20200901150250.26236-2-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: sdhci-msm: Prefer asynchronous probeDouglas Anderson1-0/+1
Turning on initcall debug on one system showed this: initcall sdhci_msm_driver_init+0x0/0x28 returned 0 after 34782 usecs The lion's share of this time (~33 ms) was in mmc_power_up(). This shouldn't be terribly surprising since there are a few calls to delay based on "power_delay_ms" and the default delay there is 10 ms. Because we haven't specified that we'd prefer asynchronous probe for this driver then we'll wait for this driver to finish before we start probes for more drivers. While 33 ms doesn't sound like tons, every little bit counts. There should be little problem with turning on asynchronous probe for this driver. It's already possible that previous drivers may have turned on asynchronous probe so we might already have other things (that probed before us) probing at the same time we are anyway. This driver isn't really providing resources (clocks, regulators, etc) that other drivers need to probe and even if it was they should be handling -EPROBE_DEFER. Let's turn this on and get a bit of boot speed back. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200902164303.1.I5e598a25222b4534c0083b61dbfa4e0e76f66171@changeid Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: s3cmci: Drop unused variables in dbg_dumpregsKrzysztof Kozlowski1-4/+2
The 'imask' and 'bsize' are not used in dbg_dumpregs: drivers/mmc/host/s3cmci.c:149:36: warning: variable 'imask' set but not used [-Wunused-but-set-variable] drivers/mmc/host/s3cmci.c:148:63: warning: variable 'bsize' set but not used [-Wunused-but-set-variable] Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200903054333.18331-1-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: s3cmci: Cast driver data through longKrzysztof Kozlowski1-1/+1
Since driver data is a pointer, direct casting to integer causes warning when compile testing for 64-bit architecture: drivers/mmc/host/s3cmci.c:1495:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] The actual driver data can be only 0 or 1, so cast it via long and do not care about any loss of value. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902204847.2764-3-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: s3cmci: Use proper printk format for iomem pointerKrzysztof Kozlowski1-1/+1
iomem pointers should be printed with pointer format to hide the actual value and fix warnings when compile testing for 64-bit architecture: drivers/mmc/host/s3cmci.c:1355:46: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902204847.2764-2-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: davinci: Fix -Wpointer-to-int-cast on compile testKrzysztof Kozlowski1-1/+1
Store in interrupt service routine always '1' in end_command, not the value of host->cmd to fix compile test warnings on RISC-V: drivers/mmc/host/davinci_mmc.c:999:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902204847.2764-1-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: sdhci-brcmstb: Simplify with optional clock and dev_err_probe()Krzysztof Kozlowski1-7/+5
Only -ENOENT from devm_clk_get() means that clock is not present in device tree. Other errors have their own meaning and should not be ignored. Simplify getting the clock which is in fact optional and also use dev_err_probe() for handling deferred. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20200902193658.20539-7-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: sdhci-of-sparx5: Use proper printk format for dma_addr_tKrzysztof Kozlowski1-2/+2
dma_addr_t size varies between architectures so use dedicated printk format to fix compile testing warning (e.g. on 32-bit MIPS): drivers/mmc/host/sdhci-of-sparx5.c:63:11: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘dma_addr_t {aka unsigned int}’ [-Wformat=] Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-11-krzk@kernel.org Acked-by: Lars Povlsen <larc.povlsen@microchip.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: dw_mmc: Simplify with dev_err_probe()Krzysztof Kozlowski1-6/+3
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code, the error value gets printed and real error from dw_mci_parse_dt() is passed further instead of fixed -EINVAL. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-10-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: sdhci-tegra: Simplify with dev_err_probe()Krzysztof Kozlowski1-5/+2
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-9-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: sdhci-of-arasan: Simplify with dev_err_probe()Krzysztof Kozlowski1-4/+3
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-8-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: meson: Simplify with dev_err_probe()Krzysztof Kozlowski1-11/+5
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-6-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: jz4740: Simplify with dev_err_probe()Krzysztof Kozlowski1-3/+1
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-5-krzk@kernel.org Reviewed-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: dw_mmc-zx: Simplify with dev_err_probe()Krzysztof Kozlowski1-8/+3
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-4-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07mmc: davinci: Simplify with dev_err_probe()Krzysztof Kozlowski1-3/+2
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and the error value gets printed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200902193658.20539-3-krzk@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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