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Author SHA1 Message Date
Alexandre Bailon
33106d78b4 mmc: mtk-sd: Silence delay phase calculation debug log
The driver prints the following log everytime data is written to RPMB:
mtk-msdc 11230000.mmc: phase: [map:ffffffff] [maxlen:32] [final:10]

dev_info is used to print that log but it seems that log is only
useful for debbuging. Use dev_dbg instead of dev_info.

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220311103320.3072171-1-abailon@baylibre.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-15 10:31:07 +01:00
Jiasheng Jiang
09e7af76db mmc: davinci_mmc: Handle error for clk_enable
As the potential failure of the clk_enable(),
it should be better to check it and return error
if fails.

Fixes: bbce5802af ("davinci: mmc: updates to suspend/resume implementation")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220308071415.1093393-1-jiasheng@iscas.ac.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-15 10:29:53 +01:00
Ben Chuang
d607667bb8 mmc: sdhci-pci-gli: Add runtime PM for GL9763E
Add runtime PM for GL9763E and disable PLL in runtime suspend. So power
gated of upstream port can be enabled. GL9763E has an auxiliary power
so it keep states in runtime suspend. In runtime resume, PLL is enabled
and waits for it to stabilize.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Tested-by: Kevin Chang <kevin.chang@lcfuturecenter.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20220307090009.1386876-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-15 10:27:49 +01:00
Ulf Hansson
23e1b8c15b mmc: core: Drop HS400 caps unless 8-bit bus is supported too
When mmc_select_hs400es() tries to switch to the HS400 ES mode, it may bail
out early if the host doesn't support an 8-bit buswidth, as it's required
for the HS400 mode.

To improve the situation, let's instead drop the HS400 bits from the
capability field if the 8-bit bus isn't supported. In this way, we allow
the mmc initialization to continue by trying a lower speed mode.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20220303165151.129806-1-ulf.hansson@linaro.org
2022-03-15 10:25:21 +01:00
Ulf Hansson
d6c9219ca1 mmc: host: Return an error when ->enable_sdio_irq() ops is missing
Even if the current WARN() notifies the user that something is severely
wrong, we can still end up in a PANIC() when trying to invoke the missing
->enable_sdio_irq() ops. Therefore, let's also return an error code and
prevent the host from being added.

While at it, move the code into a separate function to prepare for
subsequent changes and for further host caps validations.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20220303165142.129745-1-ulf.hansson@linaro.org
2022-03-15 10:25:21 +01:00
Ulf Hansson
3b6c472822 mmc: core: Improve fallback to speed modes if eMMC HS200 fails
In the error path of mmc_select_hs200() we are trying our best to restore
the card/host into a valid state. This makes sense, especially if we
encounter a simple switch error (-EBADMSG). However, rather than then
continue with using the legacy speed mode, let's try the other better speed
modes first. Additionally, let's update the card->mmc_avail_type to avoid
us from trying a broken HS200 mode again.

In an Amlogic S905W based TV box where the switch to HS200 mode fails for
the eMMC, this allows us to use the eMMC in DDR mode in favor of the legacy
mode, which greatly improves the performance.

Suggested-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/20220303164522.129583-1-ulf.hansson@linaro.org
2022-03-15 10:24:55 +01:00
Greg Kroah-Hartman
4cc893176c Merge 5.17-rc8 into staging-next
We need the staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-14 15:06:38 +01:00
Peter Geis
52c92286b7 mmc: dw-mmc-rockchip: Fix handling invalid clock rates
The Rockchip rk356x ciu clock cannot be set as low as the dw-mmc
hardware supports. This leads to a situation during card initialization
where the clock is set lower than the clock driver can support. The
dw-mmc-rockchip driver spews errors when this happens.
For normal operation this only happens a few times during boot, but when
cd-broken is enabled (in cases such as the SoQuartz module) this fires
multiple times each poll cycle.

Fix this by testing the lowest possible frequency that the clock driver
can support which is within the mmc specification. Divide that rate by
the internal divider and set f_min to this.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220305215835.2210388-3-pgwipeout@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-07 12:56:48 +01:00
Peter Geis
c4313e7500 mmc: dw_mmc: Support setting f_min from host drivers
Host drivers may not be able to support frequencies as low as dw-mmc
supports. Unfortunately f_min isn't available when the drv_data->init
function is called, as the mmc_host struct hasn't been set up yet.

Support the host drivers saving the requested minimum frequency, so we
can later set f_min when it is available.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Link: https://lore.kernel.org/r/20220305215835.2210388-2-pgwipeout@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-07 12:56:38 +01:00
Geert Uytterhoeven
0ffd498db1 mmc: host: Drop commas after SoC match table sentinels
It does not make sense to have a comma after a sentinel, as any new
elements must be added before the sentinel.

Add comments to clarify the purpose of the empty elements.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/9050fa278eaaa9e6ec719a3b158a2fad285560d0.1646311673.git.geert+renesas@glider.be
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-07 12:54:31 +01:00
Ulf Hansson
7a9f778c7f Merge branch 'fixes' into next 2022-03-07 12:53:29 +01:00
Ulf Hansson
1760fdb6fe mmc: core: Restore (almost) the busy polling for MMC_SEND_OP_COND
Commit 76bfc7ccc2 ("mmc: core: adjust polling interval for CMD1"),
significantly decreased the polling period from ~10-12ms into just a couple
of us. The purpose was to decrease the total time spent in the busy polling
loop, but unfortunate it has lead to problems, that causes eMMC cards to
never gets out busy and thus fails to be initialized.

To fix the problem, but also to try to keep some of the new improved
behaviour, let's start by using a polling period of 1-2ms, which then
increases for each loop, according to common polling loop in
__mmc_poll_for_busy().

Reported-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de>
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: Huijin Park <huijin.park@samsung.com>
Fixes: 76bfc7ccc2 ("mmc: core: adjust polling interval for CMD1")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Jean Rene Dawin <jdawin@math.uni-bielefeld.de>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/r/20220304105656.149281-1-ulf.hansson@linaro.org
2022-03-07 11:47:39 +01:00
Ricky WU
1f311c94aa mmc: rtsx: add 74 Clocks in power on flow
SD spec definition:
"Host provides at least 74 Clocks before issuing first command"
After 1ms for the voltage stable then start issuing the Clock signals

if POWER STATE is
MMC_POWER_OFF to MMC_POWER_UP to issue Clock signal to card
MMC_POWER_UP to MMC_POWER_ON to stop issuing signal to card

Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/1badf10aba764191a1a752edcbf90389@realtek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-03-02 11:38:28 +01:00
Ulf Hansson
3dd9a926ec mmc: rtsx: Fix build errors/warnings for unused variable
The struct device *dev, is no longer needed at various functions, let's
therefore drop it to fix the build errors/warnings.

Fixes: 7570fb41e4 ("mmc: rtsx: Let MMC core handle runtime PM")
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20220301115300.64332-1-ulf.hansson@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-01 22:25:58 +01:00
Jiri Slaby
834119f576 sdio_uart: make use of UART_LCR_WLEN() + tty_get_char_size()
Having a generic UART_LCR_WLEN() macro and the tty_get_char_size()
helper, we can remove all those repeated switch-cases in drivers.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220224095558.30929-4-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-28 22:17:21 +01:00
Ulf Hansson
8427577535 Merge branch 'fixes' into next 2022-02-28 18:04:27 +01:00
Geert Uytterhoeven
bee1549199 mmc: sh_mmcif: Simplify division/shift logic
"a / (1 << b)" == "a >> b".

No change in generated code.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/68d689c39c769d298b53ee8cb9de0e594a2999b2.1645460780.git.geert+renesas@glider.be
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 16:11:47 +01:00
Aswath Govindraju
02538e45c6 mmc: sdhci_am654: Add Support for TI's AM62 SoC
Add support for the controller present on the AM62x SoC.

There are instances:
sdhci0: 8bit bus width, max 200 MBps
sdhci1: 4bit bus width, max 100 MBps
sdhci2: 4bit bus width, max 100 MBps

The PHY used for 8 bit instance is same as the PHY for the 4 bit instance.
Therefore, introduce a new bus width independent compatible for AM62 SoC
that uses the driver data required for 4 bit instance.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20220218072840.5629-1-a-govindraju@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:23:51 +01:00
Rong Chen
f0d2f15362 mmc: meson: Fix usage of meson_mmc_post_req()
Currently meson_mmc_post_req() is called in meson_mmc_request() right
after meson_mmc_start_cmd(). This could lead to DMA unmapping before the request
is actually finished.

To fix, don't call meson_mmc_post_req() until meson_mmc_request_done().

Signed-off-by: Rong Chen <rong.chen@amlogic.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Fixes: 79ed05e329 ("mmc: meson-gx: add support for descriptor chain mode")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220216124239.4007667-1-rong.chen@amlogic.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:18:12 +01:00
Aswath Govindraju
3b7340f1c8 mmc: sdhci_am654: Fix the driver data of AM64 SoC
The MMCSD IPs used in AM64 are the same as the ones used in J721E.
Therefore, fix this by using the driver data from J721E for AM64 too, for
both 8 and 4 bit instances.

Fixes: 754b7f2f7d ("mmc: sdhci_am654: Add Support for TI's AM64 SoC")
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20220211075056.26179-1-a-govindraju@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:23 +01:00
Sergey Shtylyov
f5d8a5fe77 mmc: core: use sysfs_emit() instead of sprintf()
sprintf() (still used in the MMC core for the sysfs output) is vulnerable
to the buffer overflow.  Use the new-fangled sysfs_emit() instead.

Found by Linux Verification Center (linuxtesting.org) with the SVACE static
analysis tool.

Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/717729b2-d65b-c72e-9fac-471d28d00b5a@omp.ru
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:23 +01:00
Samuel Holland
75a2f412d0 mmc: sunxi-mmc: Add D1 MMC variant
D1's MMC controllers are unique in that they have the DMA address shift
(like A100) with a 13-bit descriptor size field (like sun4i). Add the
compatible and parameters for this new variant.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220203015112.12008-2-samuel@sholland.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:23 +01:00
Andy Shevchenko
43fa33aaf0 mmc: dw_mmc: Use device_property_string_array_count()
Use device_property_string_array_count() to get number of strings
in a string array property.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220202182450.54925-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:22 +01:00
Bean Huo
a25ebe4e59 mmc: davinci: Use of_device_get_match_data() helper
Only the device data is needed, not the entire struct of_device_id.
Use of_device_get_match_data() instead of of_match_device().

Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20220202180648.1252154-6-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:22 +01:00
Bean Huo
685e013bef mmc: sdhci-of-at91: Use of_device_get_match_data() helper
Only the device data is needed, not the entire struct of_device_id.
Use of_device_get_match_data() instead of open coding of_match_device().

Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20220202180648.1252154-5-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:22 +01:00
Bean Huo
dfbaaec993 mmc: sdhci-tegra: Use of_device_get_match_data() helper
Only the device data is needed,not the whole struct of_device_id.
Use of_device_get_match_data() instead of open coding of of_match_device().

Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20220202180648.1252154-3-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:22 +01:00
Bean Huo
1b3eebf17c mmc: wmt-sdmmc: Use of_device_get_match_data() helper
Only the device data is needed, not the whole struct of_device_id.
Use of_device_get_match_data() instead of open coding of of_match_device().

Signed-off-by: Bean Huo <beanhuo@micron.com>
Link: https://lore.kernel.org/r/20220202180648.1252154-2-huobean@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:22 +01:00
Ben Chuang
08df1a5021 mmc: sdhci-pci-gli: Add a switch to enable/disable SSC for GL9750 and GL9755
Add a vendor-specific bit at the bit26 of GL9750's register 878h and
GL9755's register 78h to decide whether to disable SSC function. If
this bit is set, the SSC function will be disabled.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20220119075406.36321-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:22 +01:00
Ben Chuang
d3c6bdb656 mmc: sdhci-pci-gli: Enable SSC at 50MHz and 100MHz for GL9750 and GL9755
Enable SSC function at 50MHz and 100MHz for GL9750 and GL9755.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20220119075339.36281-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:21 +01:00
Ben Chuang
d0ba932a9a mmc: sdhci-pci-gli: Reduce the SSC value at 205MHz for GL9750 and GL9755
The SSC value is 0xFFE7 at 205MHz and may be saturated. Reduce the SSC
value to 0x5A1D at 205MHz to reduce this situation for GL9750 and GL9755.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20220119075306.36262-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:21 +01:00
Gabriel Somlo
92e0991047 mmc: Add driver for LiteX's LiteSDCard interface
LiteX (https://github.com/enjoy-digital/litex) is a SoC framework
that targets FPGAs. LiteSDCard is a small footprint, configurable
SDCard core commonly used in LiteX designs.

The driver was first written in May 2020 and has been maintained
cooperatively by the LiteX community. Thanks to all contributors!

Co-developed-by: Kamil Rakoczy <krakoczy@antmicro.com>
Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com>
Co-developed-by: Maciej Dudek <mdudek@internships.antmicro.com>
Signed-off-by: Maciej Dudek <mdudek@internships.antmicro.com>
Co-developed-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220113170300.3555651-4-gsomlo@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:21 +01:00
Aniruddha Rao
48f6daf188 mmc: sdhci-tegra: Enable wake on SD card event
Enable GPIO wake source on SD card detect line. Physical card
insertion/removal event should wake the system from suspend.

Signed-off-by: Aniruddha Rao <anrao@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1642050969-21152-1-git-send-email-anrao@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:21 +01:00
Wen Zhiwei
4a835afd80 mmc: dw_mmc: Fix potential null pointer risk
we previously assumed 'host->slot' could be null,
null pointer judgment should be added

Signed-off-by: Wen Zhiwei <wenzhiwei@kylinos.cn>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Link: https://lore.kernel.org/r/20211229023814.53372-1-wenzhiwei@kylinos.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28 13:06:20 +01:00
Greg Kroah-Hartman
dbbe23c319 Merge 5.17-rc6 into staging-next
We need the staging fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-28 08:44:22 +01:00
Greg Kroah-Hartman
085686fb84 Merge 5.17-rc6 into char-misc-next
We need the char-misc fixes in here.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-28 07:30:32 +01:00
Kai-Heng Feng
7570fb41e4 mmc: rtsx: Let MMC core handle runtime PM
Since MMC core handles runtime PM reference counting, we can avoid doing
redundant runtime PM work in the driver. That means the only thing
commit 5b4258f672 ("misc: rtsx: rts5249 support runtime PM") misses is
to always enable runtime PM, to let its parent driver enable ASPM in the
runtime idle routine.

Fixes: 7499b529d9 ("mmc: rtsx: Use pm_runtime_{get,put}() to handle runtime PM")
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20220216055435.2335297-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-22 08:41:06 +01:00
Jérôme Pouiller
96e0cbca1c staging: wfx: apply the necessary SDIO quirks for the Silabs WF200
Until now, the SDIO quirks are applied directly from the driver.
However, it is better to apply the quirks before driver probing. So,
this patch relocate the quirks in the MMC framework.

Note that the WF200 has no valid SDIO VID/PID. Therefore, we match DT
rather than on the SDIO VID/PID.

Reviewed-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20220216093112.92469-3-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-17 15:58:48 +01:00
Greg Kroah-Hartman
e6cb9c167e Linux 5.17-rc4
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Merge 5.17-rc4 into char-misc-next

We need the char/misc fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-14 09:00:38 +01:00
Uwe Kleine-König
a0386bba70
spi: make remove callback a void function
The value returned by an spi driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Claudius Heine <ch@denx.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2022-02-09 13:00:45 +00:00
Christian Löhle
54309fde1a mmc: block: fix read single on recovery logic
On reads with MMC_READ_MULTIPLE_BLOCK that fail,
the recovery handler will use MMC_READ_SINGLE_BLOCK for
each of the blocks, up to MMC_READ_SINGLE_RETRIES times each.
The logic for this is fixed to never report unsuccessful reads
as success to the block layer.

On command error with retries remaining, blk_update_request was
called with whatever value error was set last to.
In case it was last set to BLK_STS_OK (default), the read will be
reported as success, even though there was no data read from the device.
This could happen on a CRC mismatch for the response,
a card rejecting the command (e.g. again due to a CRC mismatch).
In case it was last set to BLK_STS_IOERR, the error is reported correctly,
but no retries will be attempted.

Fixes: 81196976ed ("mmc: block: Add blk-mq support")
Cc: stable@vger.kernel.org
Signed-off-by: Christian Loehle <cloehle@hyperstone.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/bc706a6ab08c4fe2834ba0c05a804672@hyperstone.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-08 16:04:49 +01:00
Greg Kroah-Hartman
bd2db32e7c moxart: fix potential use-after-free on remove path
It was reported that the mmc host structure could be accessed after it
was freed in moxart_remove(), so fix this by saving the base register of
the device and using it instead of the pointer dereference.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Cc: Xin Xiong <xiongx18@fudan.edu.cn>
Cc: Xin Tan <tanxin.ctf@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Yang Li <yang.lee@linux.alibaba.com>
Cc: linux-mmc@vger.kernel.org
Cc: stable <stable@vger.kernel.org>
Reported-by: whitehat002 <hackyzh002@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220127071638.4057899-1-gregkh@linuxfoundation.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-31 15:36:34 +01:00
Kai-Heng Feng
7499b529d9 mmc: rtsx: Use pm_runtime_{get,put}() to handle runtime PM
Commit 5b4258f672 ("misc: rtsx: rts5249 support runtime PM") doesn't
use pm_runtime_{get,put}() helpers when it should, so the RPM refcount
keeps at zero, hence its parent driver, rtsx_pci, has to do lots of
weird tricks to keep it from runtime suspending.

So use those helpers at right places to properly manage runtime PM.

Fixes: 5b4258f672 ("misc: rtsx: rts5249 support runtime PM")
Cc: Ricky WU <ricky_wu@realtek.com>
Tested-by: Ricky WU <ricky_wu@realtek.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20220125055010.1866563-1-kai.heng.feng@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-01-26 18:53:28 +01:00
Andrey Skvortsov
379f56c24e mmc: core: Wait for command setting 'Power Off Notification' bit to complete
SD card is allowed to signal busy on DAT0 up to 1s after the
CMD49. According to SD spec (version 6.0 section 5.8.1.3) first host
waits until busy of CMD49 is released and only then polls Power
Management Status register up to 1s until the card indicates ready to
power off.

Without waiting for busy before polling status register sometimes card
becomes unresponsive and system fails to suspend:

  [  205.907459] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
  [  206.421274] sunxi-mmc 1c0f000.mmc: data error, sending stop command
  [  206.421321] sunxi-mmc 1c0f000.mmc: send stop command failed
  [  206.421347] mmc0: error -110 reading status reg of PM func
  [  206.421366] PM: dpm_run_callback(): mmc_bus_suspend+0x0/0x74 returns -110
  [  206.421402] mmcblk mmc0:aaaa: PM: failed to suspend async: error -110
  [  206.437064] PM: Some devices failed to suspend, or early wake event detected

Tested with Sandisk Extreme PRO A2 64GB on Allwinner A64 system.

Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fixes: 2c5d427690 ("mmc: core: Add support for Power Off Notification for SD cards")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220115121447.641524-1-andrej.skvortzov@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-24 15:37:13 +01:00
Jiasheng Jiang
4d315357b3 mmc: sh_mmcif: Check for null res pointer
If there is no suitable resource, platform_get_resource() will return
NULL.
Therefore in order to avoid the dereference of the NULL pointer, it
should be better to check the 'res'.

Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Cc: stable@vger.kernel.org # v5.16+
Link: https://lore.kernel.org/r/20220119120006.1426964-1-jiasheng@iscas.ac.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-24 15:37:13 +01:00
Jiasheng Jiang
40c67c291a mmc: sdhci-of-esdhc: Check for error num after setting mask
Because of the possible failure of the dma_supported(), the
dma_set_mask_and_coherent() may return error num.
Therefore, it should be better to check it and return the error if
fails.
And since the sdhci_setup_host() has already checked the return value of
the enable_dma, we need not check it in sdhci_resume_host() again.

Fixes: 5552d7ad59 ("mmc: sdhci-of-esdhc: set proper dma mask for ls104x chips")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220112083156.1124782-1-jiasheng@iscas.ac.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-01-24 15:37:13 +01:00
Linus Torvalds
3689f9f8b0 bitmap patches for 5.17-rc1
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Merge tag 'bitmap-5.17-rc1' of git://github.com/norov/linux

Pull bitmap updates from Yury Norov:

 - introduce for_each_set_bitrange()

 - use find_first_*_bit() instead of find_next_*_bit() where possible

 - unify for_each_bit() macros

* tag 'bitmap-5.17-rc1' of git://github.com/norov/linux:
  vsprintf: rework bitmap_list_string
  lib: bitmap: add performance test for bitmap_print_to_pagebuf
  bitmap: unify find_bit operations
  mm/percpu: micro-optimize pcpu_is_populated()
  Replace for_each_*_bit_from() with for_each_*_bit() where appropriate
  find: micro-optimize for_each_{set,clear}_bit()
  include/linux: move for_each_bit() macros from bitops.h to find.h
  cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
  tools: sync tools/bitmap with mother linux
  all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate
  cpumask: use find_first_and_bit()
  lib: add find_first_and_bit()
  arch: remove GENERIC_FIND_FIRST_BIT entirely
  include: move find.h from asm_generic to linux
  bitops: move find_bit_*_le functions from le.h to find.h
  bitops: protect find_first_{,zero}_bit properly
2022-01-23 06:20:44 +02:00
Linus Torvalds
8357f6fb3d More power management updates for 5.17-rc1
This is a continuation of the rework of device power management
 macros used for declaring device power management callbacks (Paul
 Cercueil).
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Merge tag 'pm-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "This is a continuation of the rework of device power management macros
  used for declaring device power management callbacks (Paul Cercueil)"

* tag 'pm-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  iio: pressure: bmp280: Use new PM macros
  PM: runtime: Add EXPORT[_GPL]_RUNTIME_DEV_PM_OPS macros
  PM: runtime: Add DEFINE_RUNTIME_DEV_PM_OPS() macro
  PM: core: Add EXPORT[_GPL]_SIMPLE_DEV_PM_OPS macros
  PM: core: Remove static qualifier in DEFINE_SIMPLE_DEV_PM_OPS macro
  PM: core: Remove DEFINE_UNIVERSAL_DEV_PM_OPS() macro
2022-01-18 09:13:30 +02:00
Yury Norov
ec288a2cf7 bitmap: unify find_bit operations
bitmap_for_each_{set,clear}_region() are similar to for_each_bit()
macros in include/linux/find.h, but interface and implementation
of them are different.

This patch adds for_each_bitrange() macros and drops unused
bitmap_*_region() API in sake of unification.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Dennis Zhou <dennis@kernel.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
2022-01-15 08:47:31 -08:00
Linus Torvalds
3ceff4ea07 sound updates for 5.17-rc1
It's a relatively calm development cycle, but still lots of updates in
 the driver side like Intel SOF.  Below are some highlights:
 
 * ALSA / ASoC core:
 - A new kselftest for ALSA control API
 - PCM NO_REWINDS support
 - Potential race fixes around control removals
 - Unify x86 SG-buffer memory allocation code
 - Cleanups and race fixes for ASoC DPCM locking
 
 * ASoC:
 - Refinements and cleanups around the delay() APIs
 - Wider use of dev_err_probe().
 - Continuing cleanups and improvements to the SOF code
 - Support for pin switches in simple-card derived cards
 - Support for AMD Renoir ACP, Asahi Kasei Microdevices AKM4375, Intel
   systems using NAU8825 and MAX98390, Mediatek MT8915, nVidia Tegra20
   S/PDIF, Qualcomm systems using ALC5682I-VS and Texas Instruments
   TLV320ADC3xxx
 
 * HD-audio / USB-audio:
 - Fix deadlock at HD-audio codec unbinding
 - Fixes for Tegra194 HD-audio, new HDA support for CS35L41 codec
 - Quirks for Lenovo and HP machines, Gigabyte mobo, Bose device
 
 * Misc:
 - Fix virmidi drain behavior
 
 Note that the merge of CS35L41 codec support is still half-baked, and
 at least one ACPI change is missing.  Although this won't hinder the
 kernel build itself, we're going to catch up before RC1.
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Merge tag 'sound-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It's a relatively calm development cycle, but still lots of updates in
  the driver side like Intel SOF. Below are some highlights:

  ALSA / ASoC core:
   - A new kselftest for ALSA control API
   - PCM NO_REWINDS support
   - Potential race fixes around control removals
   - Unify x86 SG-buffer memory allocation code
   - Cleanups and race fixes for ASoC DPCM locking

  ASoC:
   - Refinements and cleanups around the delay() APIs
   - Wider use of dev_err_probe().
   - Continuing cleanups and improvements to the SOF code
   - Support for pin switches in simple-card derived cards
   - Support for AMD Renoir ACP, Asahi Kasei Microdevices AKM4375, Intel
     systems using NAU8825 and MAX98390, Mediatek MT8915, nVidia Tegra20
     S/PDIF, Qualcomm systems using ALC5682I-VS and Texas Instruments
     TLV320ADC3xxx

  HD-audio / USB-audio:
   - Fix deadlock at HD-audio codec unbinding
   - Fixes for Tegra194 HD-audio, new HDA support for CS35L41 codec
   - Quirks for Lenovo and HP machines, Gigabyte mobo, Bose device

  Misc:
   - Fix virmidi drain behavior

  Note that the merge of CS35L41 codec support is still half-baked, and
  at least one ACPI change is missing. Although this won't hinder the
  kernel build itself, we're going to catch up before RC1"

* tag 'sound-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (415 commits)
  ALSA: hda: intel-dsp-config: reorder the config table
  ALSA: hda: intel-dsp-config: add JasperLake support
  ALSA: hda: cs35l41: fix double free on error in probe()
  ALSA: hda: Fix dependencies of CS35L41 on SPI/I2C buses
  ALSA: hda: Fix dependency on ASoC cs35l41 codec
  ASoC: cs35l41: Add support for hibernate memory retention mode
  ASoC: cs35l41: Update handling of test key registers
  ALSA: intel_hdmi: Check for error num after setting mask
  ASoC: wcd9335: Keep a RX port value for each SLIM RX mux
  ASoC: amd: acp: acp-mach: Change default RT1019 amp dev id
  ALSA: virmidi: Remove duplicated code
  ALSA: seq: virmidi: Add a drain operation
  ASoC: topology: Fix typo
  ASoC: fsl_asrc: refine the check of available clock divider
  ASoC: Intel: bytcr_rt5640: Add support for external GPIO jack-detect
  ASoC: Intel: bytcr_rt5640: Support retrieving the codec IRQ from the AMCR0F28 ACPI dev
  ASoC: rt5640: Add support for boards with an external jack-detect GPIO
  ASoC: rt5640: Allow snd_soc_component_set_jack() to override the codec IRQ
  ASoC: rt5640: Change jack_work to a delayed_work
  ASoC: rt5640: Fix possible NULL pointer deref on resume
  ...
2022-01-14 14:55:38 +01:00
Linus Torvalds
455e73a07f We have a couple patches in the framework core this time around but
they're mostly minor cleanups and some debugfs stuff. The real work
 that's in here is the typical pile of clk driver updates and new SoC
 support. Per usual (or maybe just recent trends), Qualcomm gains a
 handful of SoC drivers additions and has the largest diffstat. After
 that there are quite a few updates to the Allwinner (sunxi) drivers to
 support modular drivers and Renesas is heavily updated to add more
 support for various clks. Overall it looks pretty normal.
 
 New Drivers:
  - Add MDMA and BDMA clks to Ingenic JZ4760 and JZ4770
  - MediaTek mt7986 SoC basic support
  - Clock and reset driver for Toshiba Visconti SoCs
  - Initial clock driver for the Exynos7885 SoC (Samsung Galaxy A8)
  - Allwinner D1 clks
  - Lan966x Generic Clock Controller driver and associated DT bindings
  - Qualcomm SDX65, SM8450, and MSM8976 GCC clks
  - Qualcomm SDX65 and SM8450 RPMh clks
 
 Updates:
  - Set suppress_bind_attrs to true for i.MX8ULP driver
  - Switch from do_div to div64_ul for throughout all i.MX drivers
  - Fix imx8mn_clko1_sels for i.MX8MN
  - Remove unused IPG_AUDIO_ROOT from i.MX8MP
  - Switch parent for audio_root_clk to audio ahb in i.MX8MP driver
  - Removal of all remaining uses of __clk_lookup() in drivers/clk/samsung
  - Refactoring of the CPU clocks registration to use common interface
  - An update of the Exynos850 driver (support for more clock domains)
    required by the E850-96 development board
  - Prep for runtime PM and generic power domains on Tegra
  - Support modular Allwinner clk drivers via platform bus
  - Lan966x clock driver extended to support clock gating
  - Add serial (SCI1), watchdog (WDT), timer (OSTM), SPI (RSPI), and
    thermal (TSU) clocks and resets on Renesas RZ/G2L
  - Rework SDHI clock handling in the Renesas R-Car Gen3 and RZ/G2 clock
    drivers, and in the Renesas SDHI driver
  - Make the Cortex-A55 (I) clock on Renesas RZ/G2L programmable
  - Document support for the new Renesas R-Car S4-8 (R8A779F0) SoC
  - Add support for the new Renesas R-Car S4-8 (R8A779F0) SoC
  - Add GPU clock and resets on Renesas RZ/G2L
  - Add clk-provider.h to various Qualcomm clk drivers
  - devm version of clk_hw_register_gate()
  - kerneldoc fixes in a couple drivers
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "We have a couple patches in the framework core this time around but
  they're mostly minor cleanups and some debugfs stuff. The real work
  that's in here is the typical pile of clk driver updates and new SoC
  support.

  Per usual (or maybe just recent trends), Qualcomm gains a handful of
  SoC drivers additions and has the largest diffstat. After that there
  are quite a few updates to the Allwinner (sunxi) drivers to support
  modular drivers and Renesas is heavily updated to add more support for
  various clks.

  Overall it looks pretty normal.

  New Drivers:
   - Add MDMA and BDMA clks to Ingenic JZ4760 and JZ4770
   - MediaTek mt7986 SoC basic support
   - Clock and reset driver for Toshiba Visconti SoCs
   - Initial clock driver for the Exynos7885 SoC (Samsung Galaxy A8)
   - Allwinner D1 clks
   - Lan966x Generic Clock Controller driver and associated DT bindings
   - Qualcomm SDX65, SM8450, and MSM8976 GCC clks
   - Qualcomm SDX65 and SM8450 RPMh clks

  Updates:
   - Set suppress_bind_attrs to true for i.MX8ULP driver
   - Switch from do_div to div64_ul for throughout all i.MX drivers
   - Fix imx8mn_clko1_sels for i.MX8MN
   - Remove unused IPG_AUDIO_ROOT from i.MX8MP
   - Switch parent for audio_root_clk to audio ahb in i.MX8MP driver
   - Removal of all remaining uses of __clk_lookup() in
     drivers/clk/samsung
   - Refactoring of the CPU clocks registration to use common interface
   - An update of the Exynos850 driver (support for more clock domains)
     required by the E850-96 development board
   - Prep for runtime PM and generic power domains on Tegra
   - Support modular Allwinner clk drivers via platform bus
   - Lan966x clock driver extended to support clock gating
   - Add serial (SCI1), watchdog (WDT), timer (OSTM), SPI (RSPI), and
     thermal (TSU) clocks and resets on Renesas RZ/G2L
   - Rework SDHI clock handling in the Renesas R-Car Gen3 and RZ/G2
     clock drivers, and in the Renesas SDHI driver
   - Make the Cortex-A55 (I) clock on Renesas RZ/G2L programmable
   - Document support for the new Renesas R-Car S4-8 (R8A779F0) SoC
   - Add support for the new Renesas R-Car S4-8 (R8A779F0) SoC
   - Add GPU clock and resets on Renesas RZ/G2L
   - Add clk-provider.h to various Qualcomm clk drivers
   - devm version of clk_hw_register_gate()
   - kerneldoc fixes in a couple drivers"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (131 commits)
  clk: visconti: Remove pointless NULL check in visconti_pll_add_lookup()
  clk: mediatek: add mt7986 clock support
  clk: mediatek: add mt7986 clock IDs
  dt-bindings: clock: mediatek: document clk bindings for mediatek mt7986 SoC
  clk: mediatek: clk-gate: Use regmap_{set/clear}_bits helpers
  clk: mediatek: clk-gate: Shrink by adding clockgating bit check helper
  clk: x86: Fix clk_gate_flags for RV_CLK_GATE
  clk: x86: Use dynamic con_id string during clk registration
  ACPI: APD: Add a fmw property clk-name
  drivers: acpi: acpi_apd: Remove unused device property "is-rv"
  x86: clk: clk-fch: Add support for newer family of AMD's SOC
  clk: ingenic: Add MDMA and BDMA clocks
  dt-bindings: clk/ingenic: Add MDMA and BDMA clocks
  clk: bm1880: remove kfrees on static allocations
  clk: Drop unused COMMON_CLK_STM32MP157_SCMI config
  clk: st: clkgen-mux: search reg within node or parent
  clk: st: clkgen-fsyn: search reg within node or parent
  clk: Enable/Disable runtime PM for clk_summary
  MAINTAINERS: Add entries for Toshiba Visconti PLL and clock controller
  clk: visconti: Add support common clock driver and reset driver
  ...
2022-01-12 17:02:27 -08:00