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Now, CONFIG_DEBUG_FS is scattered in various functions, to make code
clean centralized processing CONFIG_DEBUG_FS in mmc debugfs module.
Signed-off-by: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20221126102520.2824574-1-yebin@huaweicloud.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Replace code with the already defined function. No functional changes.
Signed-off-by: ChanWoo Lee <cw9316.lee@samsung.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221124080031.14690-1-cw9316.lee@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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./drivers/mmc/host/sunplus-mmc.c:321:2-3: Unneeded semicolon
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3238
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221123021221.9646-1-yang.lee@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The workaround of pretending R1B non-data transfers are data transfers in
order for the busy timeout to be respected by the host controller driver is
removed. It wasn't useful in a long time.
Initially the workaround ensured that R1B commands did not time out by
setting the data timeout to be the command timeout in commit cb87ea28ed9e
("mmc: core: Add mmc CMD+ACMD passthrough ioctl"). This was moved inside an
if-clause with idata->buf_bytes being set in commit 4d6144de8ba2 ("mmc:
core: check for zero length ioctl data"). Since the workaround is now
inside the idata->buf_bytes clause and intended to fix R1B non-data
transfers, that do not have buf_bytes set, we can remove the workaround
altogether. This was dead code, since data transfers doesn't use R1B
commands.
Signed-off-by: Christian Loehle <cloehle@hyperstone.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/57d4aceb25254e448bd3e575bd99b0c2@hyperstone.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Linux *_bit accessors take plain bit numbers, no need for BIT().
Fixes: c330601c9c93 ("mmc: renesas_sdhi: take DMA end interrupts into account")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20221122080554.4468-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This is a patch for mmc driver for Sunplus SP7021 SOC.
Supports eMMC 4.41 DDR 104MB/s speed mode.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tony Huang <tonyhuang.sunplus@gmail.com>
Link: https://lore.kernel.org/r/c92d67596f3cc10d41585b9ab82be7da2cc4c9d8.1669023361.git.tonyhuang.sunplus@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Makes the code more readable.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221120113457.42010-5-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add a macro to check for a quirk because it a) ensures that the check
for non-empty 'quirks' struct is not forgotten and b) is easier to read.
Convert existing quirk access as well.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221120113457.42010-4-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Up to now, HS400 adjustment mode was only disabled on soft reset when a
calibration table was in use. It is safer, though, to disable it as soon
as the instance has an adjustment related quirk set, i.e. bad taps or a
calibration table.
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/20221120113457.42010-3-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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We need the SCC pointer to reset the device, so populate it even when we
don't need it for tuning.
Fixes: 45bffc371fef ("mmc: renesas_sdhi: only reset SCC when its pointer is populated")
Signed-off-by: Takeshi Saito <takeshi.saito.xv@renesas.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
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/20221120113457.42010-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Replace the open-code with device_match_of_node().
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202211171524116446204@zte.com.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The clock-phase settings for the SDMMC controller in the SoCFPGA
platforms reside in a register in the System Manager. Add a method
to access that register through the syscon interface.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/20221114230217.202634-4-dinguyen@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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incorrectly
When cmd->opcode == MMC_SEND_TUNING_BLOCK, the SDHCI_TRANSFER_MODE
should also be kept
Signed-off-by: Charl Liu <charl.liu@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221111122314.307-1-charl.liu@bayhubtech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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There is only one alignment shift for one type of Renesas SDHI. Encode
it directly in its DMA driver to reduce complexity and ease further
simplifications.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20221102125430.28466-3-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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After a8402aed8ca5 ("mmc: tmio_mmc_core: Remove
local_irq_{save,restore}() around k[un]map_atomic()") and ac91578a6812
("mmc: tmio_mmc_core: Replace kmap_atomic() with kmap_local_page()"),
the helpers contain just a single call. Putting it directly in the code
makes it actually more readable. More so, because we now avoid the
'offset' calculation when mapping/unmapping and just use it when we need
it in the copy routines.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20221102125430.28466-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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So far, we have been relying on access_end interrupts only to mark DMA
transfers as done implying that DMA end interrupts have occurred by then
anyhow. On some SoCs under some conditions, this turned out to be not
enough. So, we enable DMA interrupts as well and make sure that both
events, DMA irq and access_end irq, have happened before finishing the
DMA transfer.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221006190452.5316-6-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Some early Gen3 SoCs have the DTRANEND1 bit at a different location than
all later SoCs. Because we need the bit soon, add a quirk so we know
which bit to use.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221006190452.5316-5-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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We don't want to rely only on the access_end irq in the future, so
implement a callback for dma irqs.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221006190452.5316-4-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Commit 058db2868cd8 ("mmc: tmio, renesas_sdhi: move struct tmio_mmc_dma
to renesas_sdhi.h") is correct. The DMA struct should be prefixed with
'renesas_sdhi' to avoid confusion about is namespace. Fix some
indentation while here.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221006190452.5316-3-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This accessor function does not help readability but makes it worse.
Because I soon need to read from the registers as well and don't want to
add another function like this, I chose to remove the existing one and
use the accessor directly. I also switch from writeq to writel because
no 64 bit register is actually involved.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20221006190452.5316-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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There is a case where the timeout clock is not supplied to the capability.
Add a quirk for that.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Link: https://lore.kernel.org/r/20221111081033.3813-7-hayashi.kunihiko@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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To use F_SDH30 for non-removable meda like eMMC,
need to enable FORCE_CARD_INSERT bit to skip the delay for detection.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Link: https://lore.kernel.org/r/20221111081033.3813-6-hayashi.kunihiko@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add a compatible string for Socionext F_SDH30_E51.
Since this IP is transferred to Socionext, so append it to Copyright
and MODULE_AUTHOR as vendor name.
F_SDH30_E51 is a higher version of F_SDH30 that supports eMMC 5.1,
though, currently there are no new features for this IP in this driver,
just add the compatible string.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20221111081033.3813-5-hayashi.kunihiko@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add reset control support for F_SDH30 controller. This is optional.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Link: https://lore.kernel.org/r/20221111081033.3813-3-hayashi.kunihiko@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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spelling mistake fix : "alreay" -> "already"
"checksume" -> "checksum"
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221110072819.11530-1-yuzhe@nfschina.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value,
it will lead two issues:
1. The memory that allocated in mmc_alloc_host() is leaked.
2. In the remove() path, mmc_remove_host() will be called to
delete device, but it's not added yet, it will lead a kernel
crash because of null-ptr-deref in device_del().
So fix this by checking the return value and goto error path which
will call mmc_free_host().
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221109133539.3275664-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value,
it will lead two issues:
1. The memory that allocated in mmc_alloc_host() is leaked.
2. In the remove() path, mmc_remove_host() will be called to
delete device, but it's not added yet, it will lead a kernel
crash because of null-ptr-deref in device_del().
So fix this by checking the return value and goto error path which
will call mmc_free_host(), besides, other resources also need be
released.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221109133237.3273558-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value,
it will lead two issues:
1. The memory that allocated in mmc_alloc_host() is leaked.
2. In the remove() path, mmc_remove_host() will be called to
delete device, but it's not added yet, it will lead a kernel
crash because of null-ptr-deref in device_del().
Fix this by checking the return value and goto error path which
will call mmc_free_host().
Fixes: f0bf7f61b840 ("mmc: Add new via-sdmmc host controller driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221108130949.1067699-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value,
it will lead two issues:
1. The memory that allocated in mmc_alloc_host() is leaked.
2. In the remove() path, mmc_remove_host() will be called to
delete device, but it's not added yet, it will lead a kernel
crash because of null-ptr-deref in device_del().
Fix this by checking the return value and goto error path which
will call mmc_free_host().
Fixes: 51c5d8447bd7 ("MMC: meson: initial support for GX platforms")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20221108123417.479045-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value,
it will lead two issues:
1. The memory that allocated in mmc_alloc_host() is leaked.
2. In the remove() path, mmc_remove_host() will be called to
delete device, but it's not added yet, it will lead a kernel
crash because of null-ptr-deref in device_del().
Fix this by checking the return value and goto error path wihch
will call mmc_free_host().
Fixes: a45c6cb81647 ("[ARM] 5369/1: omap mmc: Add new omap hsmmc controller for 2430 and 34xx, v3")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221108121316.340354-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value,
it will lead two issues:
1. The memory that allocated in mmc_alloc_host() is leaked.
2. In the remove() path, mmc_remove_host() will be called to
delete device, but it's not added yet, it will lead a kernel
crash because of null-ptr-deref in device_del().
So fix this by checking the return value and calling mmc_free_host()
in the error path.
Fixes: 7d2be0749a59 ("atmel-mci: Driver for Atmel on-chip MMC controllers")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221108122819.429975-1-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Ensure the flag is explicitly set to 0 if we determine that polling is
needed during driver probe, to cover all possible cases.
Fixes: 92e099104729 ("mmc: Add driver for LiteX's LiteSDCard interface")
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Link: https://lore.kernel.org/r/20221107155516.2535912-1-gsomlo@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and goto error path which will call
mmc_free_host(), besides, clk_disable_unprepare() also needs be called.
Fixes: 3a96dff0f828 ("mmc: SD/MMC Host Controller for Wondermedia WM8505/WM8650")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-10-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and goto error path which will call
mmc_free_host(), besides, the timer added before mmc_add_host() needs be del.
And this patch fixes another missing call mmc_free_host() if usb_control_msg()
fails.
Fixes: 88095e7b473a ("mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-9-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and goto error path which will call
mmc_free_host(), besides, free_irq() also needs be called.
Fixes: a5eb8bbd66cc ("mmc: add Toshiba PCI SD controller driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-8-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and calling mmc_free_host() in the
error path, besides, led_classdev_unregister() and pm_runtime_disable() also
need be called.
Fixes: c7f6558d84af ("mmc: Add realtek USB sdmmc host driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-7-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and calling mmc_free_host() in the
error path, beside, runtime PM also needs be disabled.
Fixes: ff984e57d36e ("mmc: Add realtek pcie sdmmc host driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-6-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and goto error path which will call
mmc_free_host(), besides, ->exit() need be called to uninit the pdata.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-5-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and goto error path which will call
mmc_free_host().
Fixes: d96be879ff46 ("mmc: Add a MX2/MX3 specific SDHC driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-4-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and goto error path which will call
mmc_free_host().
Fixes: 1b66e94e6b99 ("mmc: moxart: Add MOXA ART SD/MMC driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-3-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.
So fix this by checking the return value and calling mmc_free_host() in the
error path.
Fixes: c5413ad815a6 ("mmc: add new Alcor Micro Cardreader SD/MMC driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221101063023.1664968-2-yangyingliang@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add crypto clock control and ungate it before CQHCI init.
Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221106033924.9854-2-mengqi.zhang@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Remove duplicate words in comments found using the following commands:
pcregrep --color=always -n \
'([^a-zA-Z_])([a-zA-Z_]+)[[:space:]]+\2[^a-zA-Z_]' \
drivers/mmc/host/*.[ch] drivers/mmc/core/*.[ch] \
include/linux/mmc/*.h \
include/uapi/linux/mmc/*.h | \
grep -v 'long long'
pcregrep --color=always -n -M \
'([^a-zA-Z_])([a-zA-Z_]+)[ \t]*\n[[:space:]*]+\2[^a-zA-Z_]' \
drivers/mmc/host/*.[ch] \
drivers/mmc/core/*.[ch] \
include/linux/mmc/*.h \
include/uapi/linux/mmc/*.h
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221102120105.5747-1-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Checking phandle references like mmc-pwrseq can result in -EPROBE_DEFER.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221101105242.2019036-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This driver often takes on the order of 10ms to start, but in some cases
as much as 190ms. It shouldn't have many cross-device dependencies to
race with, nor racy access to shared state with other drivers, so this
should be a relatively low risk change. We've done similarly with a
variety of other MMC host drivers already.
This driver was pinpointed as part of a survey of top slowest initcalls
(i.e., are built in, and probing synchronously) on a lab of ChromeOS
systems.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221028155633.1.I6c4bfb31e88fad934e7360242cb662e01612c1bb@changeid
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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For standard tuning method on usdhc, the previous tuning result can
impact current tuning result, let current tuning can't set the correct
delay cell. And from the logic, this is also reasonable for manual
tuning method. So reset the tuning logic before execute tuning.
To avoid compile issue, this patch also move the esdhc_reset_tuning()
upper.
Find this issue when support SDIO WiFi in band wakeup feature. After
system resume back, will do re-tuning, but then meet data CRC error.
Do not meet this issue on SD/eMMC, because we already call
esdhc_reset_tuning() when config the legency ios, and SD/eMMC need
to re-init when system resume back, but SDIO device don't do re-init
if it has MMC_PM_KEEP_POWER pm_flags.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1666947869-7904-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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An earlier patch ("mmc: cqhci: Provide helper for resetting both SDHCI
and CQHCI") does these operations for us.
I keep these as a separate patch, since the earlier patch is a
prerequisite to some important bugfixes that need to be backported via
linux-stable.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20221026124150.v4.7.Ia91f031f5f770af7bd2ff3e28b398f277606d970@changeid
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add dynamic configuration support for Xilinx ZynqMP which takes care of
configuring the SD secure space configuration registers using EEMI APIs,
performing SD reset assert and deassert.
High level sequence:
- Check for the PM dynamic configuration support, if no error proceed with
SD dynamic configurations(next steps) otherwise skip the dynamic
configuration.
- Put the SD Controller in reset.
- Configure SD Fixed configurations.
- Configure the SD Slot Type.
- Configure the BASE_CLOCK.
- Configure the 8-bit support.
- Bring the SD Controller out of reset.
- Wait for 1msec delay.
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20221019054857.8286-1-sai.krishna.potthuri@amd.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Adding mt7986 own characteristics and of_device_id to have support
of MT7986 SoC.
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221025132953.81286-7-linux@fw-web.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Delete the redundant word 'the'.
Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Link: https://lore.kernel.org/r/20221022062237.10333-1-wangjianli@cdjrlc.com
Link: https://lore.kernel.org/r/20221022062331.11395-1-wangjianli@cdjrlc.com
Link: https://lore.kernel.org/r/20221022062505.13155-1-wangjianli@cdjrlc.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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