Commit Graph

5187 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
295208a666 mmc: jz4740: Simplify with dev_err_probe()
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>
2020-09-07 09:15:31 +02:00
Krzysztof Kozlowski
380a99a2d0 mmc: dw_mmc-zx: Simplify with dev_err_probe()
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>
2020-09-07 09:11:33 +02:00
Krzysztof Kozlowski
3a35e7e1bd mmc: davinci: Simplify with dev_err_probe()
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>
2020-09-07 09:11:32 +02:00
Krzysztof Kozlowski
aec429e09e mmc: bcm2835: Simplify with dev_err_probe()
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>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200902193658.20539-2-krzk@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:32 +02:00
Wolfram Sang
e0c29be62c mmc: meson-gx: use wrapper to avoid accessing internal vars
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200831102324.12566-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:32 +02:00
Stefan Wahren
8d62fa831f mmc: sdhci-iproc: Enable eMMC DDR 3.3V support for bcm2711
The emmc2 interface on the bcm2711 supports DDR modes for eMMC devices
running at 3.3V. This allows to run eMMC module with 3.3V signaling voltage
at DDR52 mode on the Raspberry Pi 4 using a SD adapter:

  clock: 52000000 Hz
  actual clock: 50000000 Hz
  vdd: 21 (3.3 ~ 3.4 V)
  bus mode: 2 (push-pull)
  chip select: 0 (don't care)
  power mode: 2 (on)
  bus width: 2 (4 bits)
  timing spec: 8 (mmc DDR52)
  signal voltage: 0 (3.30 V)
  driver type: 0 (driver type B)

Link: https://github.com/raspberrypi/linux/issues/3802
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1598651234-29826-1-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Chun-Hung Wu
e282f2045a mmc: mediatek: add pre_enable() and post_disable() hook function
CQHCI_ENABLE bit in CQHCI_CFG should be disabled
after msdc_cqe_disable(), and should be enabled before
msdc_ceq_enable() for MTK platform.
Add hook functions for cqhci_host_ops->pre_enable() and
cqhci_host_ops->post_disable().

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1598520783-25250-3-git-send-email-chun-hung.wu@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Chun-Hung Wu
887ba410ed mmc: cqhci: add new cqhci_host_ops pre_enable() and post_disable()
Add pre_enable() and post_disable() for cqhci_host_ops.
Add hook functions before cqhci enable and
after cqhci disable for platforms need them.

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1598520783-25250-2-git-send-email-chun-hung.wu@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Veerabhadrarao Badiganti
4dac686bb3 mmc: sdhci-msm: Enable restore_dll_config flag for sc7180 target
On sc7180 target, issues are observed with HS400 mode due to a
hardware limitation. If sdcc clock is dynamically gated and ungated,
the very next command is failing with command CRC/timeout errors.

To mitigate this issue, DLL phase has to be restored whenever sdcc
clock is gated dynamically. The restore_dll_config ensures this.
Enabling this flag with this change. And simply re-using the sdm845
target configuration for this flag.

Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/1598541694-15694-1-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Wolfram Sang
510bfe5893 mmc: tmio: remove indirection of 'execute_tuning' callback
After all the previous refactorization, we can now populate mmc_ops
directly and don't need a layer inbetween. The NULL-pointer check and
the error printout are already done by the MMC core.

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/20200820132538.24758-7-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Wolfram Sang
5b0739d762 mmc: tmio: don't reset whole IP core when tuning fails
SDHI needs to reset the SCC only, not the whole IP core. So, if tuning
fails, don't handle specifics in the generic TMIO core, but in the
specific drivers. For SDHI, we need to move around the reset routine a
bit. It is not modified.

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/20200820132538.24758-6-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Wolfram Sang
576146ea4e mmc: tmio: factor out common parts of the reset routine
Some TMIO variants need specific actions in their reset routine, but
they are all based on a generic reset routine. So, the optional 'reset'
callback will now only take care of the additional stuff and we will
have a generic function around it. Less code, easier to maintain, and
much more readable. Code in tmio_mmc.c is untested but in my TC6387XB
datasheet the SDIO part is reset independently from the SD part, too.

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/20200820132538.24758-5-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:31 +02:00
Wolfram Sang
a8c83064e7 mmc: tmio: remove indirection of 'hw_reset' callback
After Yamada-san's refactorization introducing 'tmio_mmc_host_alloc', we
can populate mmc_ops directly and don't need a layer inbetween.

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/20200820132538.24758-4-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Wolfram Sang
34e3211e54 Revert "mmc: tmio: fix reset operation"
This reverts commit a87852c6b8. It did fix
the issue, but was building on top of already wrong assumptions. The
driver missed that 'hw_reset' was only for resetting remote HW (card)
and not for the IP core. Since we fixed that in a previous patch, we can
now remove this patch to make it clear that 'reset' is for resetting the
IP core only. Also, cancelling DMA will only be called when actually
needed again. It will also allow for further cleanups and better
readability. Note that in addition to the revert, the call in
'tmio_mmc_execute_tuning' will be converted, too, to maintain the
current behaviour.

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/20200820132538.24758-3-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Wolfram Sang
6e7d4de108 mmc: renesas_sdhi: move wrong 'hw_reset' to 'reset'
This driver got the usage of 'hw_reset' wrong and missed that it is used
to reset the remote HW (card) only, not the local one (controller). Move
everything to the proper 'reset' callback. Also, add the generic reset
code from TMIO, so we will ensure the same behaviour (it will get
refactored away in a later patch). This also means we need to drop
MMC_CAP_HW_RESET because this is currently not supported by our
hardware.

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/20200820132538.24758-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Faiz Abbas
7ca0f166f5 mmc: sdhci_am654: Add workaround for card detect debounce timer
There is a one time delay because of a card detect debounce timer in the
controller IP. This timer runs as soon as power is applied to the module
regardless of whether a card is present or not and any writes to
SDHCI_POWER_ON will return 0 before it expires. This timeout has been
measured to be about 1 second in am654x and j721e.

Write-and-read-back in a loop on SDHCI_POWER_ON for a maximum of
1.5 seconds to make sure that the controller actually powers on.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Link: https://lore.kernel.org/r/20200825170015.32285-1-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Alex Dewar
d425e42d60 mmc: sdhci-msm: enable compile-testing on !ARM
There seems to be no particular reason to only test for ARM, so allow
for build-testing on other platforms to increase coverage.

Build-tested on x86 with allyesconfig.

Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Link: https://lore.kernel.org/r/20200824171854.406157-1-alex.dewar90@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Haibo Chen
9e70ff99ee mmc: sdhci-esdhc-imx: remove unused code
Value assigned to a variable(err) is never used, so remove it.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1598265914-23606-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Lars Povlsen
43611afb6c mmc: sdhci-of-sparx5: Add Sparx5 SoC eMMC driver
This adds the eMMC driver for the Sparx5 SoC. It is based upon the
designware IP, but requires some extra initialization and quirks.

Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200825081357.32354-3-lars.povlsen@microchip.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:30 +02:00
Madhuparna Bhowmik
87d7ad089b mmc: via-sdmmc: Fix data race bug
via_save_pcictrlreg() should be called with host->lock held
as it writes to pm_pcictrl_reg, otherwise there can be a race
condition between via_sd_suspend() and via_sdc_card_detect().
The same pattern is used in the function via_reset_pcictrl()
as well, where via_save_pcictrlreg() is called with host->lock
held.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Link: https://lore.kernel.org/r/20200822061528.7035-1-madhuparnabhowmik10@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:29 +02:00
Adrian Hunter
46f4a69ec8 mmc: sdhci: Add LTR support for some Intel BYT based controllers
Some Intel BYT based host controllers support the setting of latency
tolerance.  Accordingly, implement the PM QoS ->set_latency_tolerance()
callback.  The raw register values are also exposed via debugfs.

Intel EHL controllers require this support.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Fixes: cb3a7d4a0a ("mmc: sdhci-pci: Add support for Intel EHL")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200818104508.7149-1-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:29 +02:00
Tobias Schramm
81e41be92a mmc: mmc_spi: fix timeout calculation
Previously the cycle timeout was converted to a microsecond value but
then incorrectly treated as a nanosecond timeout. This patch changes
the code to convert both the nanosecond timeout and the cycle timeout
to a microsecond value and use that directly.

Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Link: https://lore.kernel.org/r/20200814185011.3252020-1-t.schramm@manjaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:29 +02:00
Haibo Chen
0ac4f496a2 mmc: sdhci-esdhc-imx: Reset before sending tuning command for manual tuning
According to IC suggestion, everytime before sending the tuning command,
need to reset the usdhc, so to reset the tuning circuit, to let every
tuning command work well for the manual tuning method. For standard tuning
method, IC already add the reset operation in the hardware logic.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1597135057-22272-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:28 +02:00
Guo Ren
ce54fb38fa mmc: Kconfig: Add RISCV and CSKY for MMC_DW
Synopsys DesignWare MMC controller could be used in RISC-V and
C-SKY architectures.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/1596887102-9743-1-git-send-email-guoren@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:28 +02:00
Krzysztof Kozlowski
bb82d3b57c mmc: s3cmci: remove empty kerneldoc comment
Remove empty comment to fix W=1 compile warning:

    drivers/mmc/host/s3cmci.c:400: warning: Cannot understand  *
     on line 400 - I thought it was a doc line

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200804151345.28005-1-krzk@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:27 +02:00
Alexander A. Klimov
9481b45ca9 mmc: sdhci_am654: Replace HTTP links with HTTPS ones
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200718090614.88946-1-grandmaster@al2klimov.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:27 +02:00
Linus Torvalds
59815d6d1c MMC host:
- sdhci-acpi: Fix HS400 tuning for AMDI0040
  - sdhci-pci: Fix reset of CQHCI for Intel GLK-based controllers
  - sdhci-tegra: Use correct timeout clock for Tegra186/194/210
  - mtk-sd: Fix eMMC mounting on mt7622/Bpi-64
 -----BEGIN PGP SIGNATURE-----
 
 iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAl9M2g4XHHVsZi5oYW5z
 c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjCkmBA//YUe2Wx6bFAEawUI0AxUxPLXO
 6zXgwKiJgCLbgdICSbhzS/I4N8iTyT+tiRUyk78UukgKOfDH/yIkeNenqf+gWINq
 lWDJGqboj9Hn1Cm0D2qSTqPs2AJL0k6WhBFBUFvtSYtqqk/j0VVRkrpRqb96X2MK
 bGXnv0hTTed8uX/VtjHTzmj+8CMtVmHzzlC0eALYLJpNOklmbn3agDpXbpGbIDsk
 5oaTqLmRRROcvxQDes/y5HnckdQ9q13LHEiI10BSIFG6qDQ4t8KsoJGdGgola3Hq
 +oD6R/WcikM+dwuAB8jNmnSpsot6vltg2czdQ+y18RtccPpwPzpRrICFBKoayPDu
 QXG/5cd6kgS+XX/25eF5GrkR66ztEjckQm1aOgpx3yfPZJLuXhy3Rkt1DGUa+HOT
 rVaz3dngUJapO/pCl8Oy89e59zBd9yDsUVAmmUFchIiI2dthn7UReEaP7wnSc5uh
 5pK+GZfBSXK3h1E5ky7QwEY2DJ8LmqqkdyCCZHeQUPoS7lemVWH47BbuJ/zmnNoW
 VyBd+BwmW3RCn4XwpjqsOp2Ppb8MeLpPBD6m+1vd7J9eNdhgClQfpnldOzVmzG8E
 4baveGrPRIGQPXoXRAOjZfd/bTx7TfteT3vIZCH+pwkTItw0x2xi1NLwjOGXPDDE
 YLhYfGFfNFPX206UiRw=
 =rYDw
 -----END PGP SIGNATURE-----

Merge tag 'mmc-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:

 - Fix HS400 tuning for ACPI ID AMDI0040

 - Fix reset of CQHCI for Intel GLK-based controllers

 - Use correct timeout clock for Tegra186/194/210

 - Fix eMMC mounting on mt7622/Bpi-64

* tag 'mmc-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  sdhci: tegra: Add missing TMCLK for data timeout
  arm64: tegra: Add missing timeout clock to Tegra194 SDMMC nodes
  arm64: tegra: Add missing timeout clock to Tegra186 SDMMC nodes
  arm64: tegra: Add missing timeout clock to Tegra210 SDMMC
  dt-bindings: mmc: tegra: Add tmclk for Tegra210 and later
  sdhci: tegra: Remove SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK for Tegra186
  sdhci: tegra: Remove SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK for Tegra210
  arm64: dts: mt7622: add reset node for mmc device
  dt-bindings: mmc: Add missing description for clk_in/out_sd1
  mmc: mediatek: add optional module reset property
  mmc: dt-bindings: Add resets/reset-names for Mediatek MMC bindings
  mmc: sdhci-pci: Fix SDHCI_RESET_ALL for CQHCI for Intel GLK-based controllers
  mmc: sdhci-acpi: Fix HS400 tuning for AMDI0040
2020-08-31 11:22:57 -07:00
Sowjanya Komatineni
8048822bac sdhci: tegra: Add missing TMCLK for data timeout
commit b5a84ecf02 ("mmc: tegra: Add Tegra210 support")

Tegra210 and later has a separate sdmmc_legacy_tm (TMCLK) used by Tegra
SDMMC hawdware for data timeout to achive better timeout than using
SDCLK and using TMCLK is recommended.

USE_TMCLK_FOR_DATA_TIMEOUT bit in Tegra SDMMC register
SDHCI_TEGRA_VENDOR_SYS_SW_CTRL can be used to choose either TMCLK or
SDCLK for data timeout.

Default USE_TMCLK_FOR_DATA_TIMEOUT bit is set to 1 and TMCLK is used
for data timeout by Tegra SDMMC hardware and having TMCLK not enabled
is not recommended.

So, this patch adds quirk NVQUIRK_HAS_TMCLK for SoC having separate
timeout clock and keeps TMCLK enabled all the time.

Fixes: b5a84ecf02 ("mmc: tegra: Add Tegra210 support")
Cc: stable <stable@vger.kernel.org> # 5.4
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1598548861-32373-8-git-send-email-skomatineni@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-28 10:31:39 +02:00
Sowjanya Komatineni
391d89dba8 sdhci: tegra: Remove SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK for Tegra186
commit 4346b7c794 ("mmc: tegra: Add Tegra186 support")

SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK is set for Tegra186 from the
beginning of its support in driver.

Tegra186 SDMMC hardware by default uses timeout clock (TMCLK) instead
of SDCLK and this quirk should not be set.

So, this patch remove this quirk for Tegra186.

Fixes: 4346b7c794 ("mmc: tegra: Add Tegra186 support")
Cc: stable <stable@vger.kernel.org> # 5.4
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1598548861-32373-3-git-send-email-skomatineni@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-28 10:31:39 +02:00
Sowjanya Komatineni
e33588adca sdhci: tegra: Remove SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK for Tegra210
commit b5a84ecf02 ("mmc: tegra: Add Tegra210 support")

SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK is set for Tegra210 from the
beginning of Tegra210 support in the driver.

Tegra210 SDMMC hardware by default uses timeout clock (TMCLK)
instead of SDCLK and this quirk should not be set.

So, this patch remove this quirk for Tegra210.

Fixes: b5a84ecf02 ("mmc: tegra: Add Tegra210 support")
Cc: stable <stable@vger.kernel.org> # 5.4
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1598548861-32373-2-git-send-email-skomatineni@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-28 10:31:39 +02:00
Wenbin Mei
855d388df2 mmc: mediatek: add optional module reset property
This patch fixs eMMC-Access on mt7622/Bpi-64.
Before we got these Errors on mounting eMMC ion R64:
[   48.664925] blk_update_request: I/O error, dev mmcblk0, sector 204800 op 0x1:(WRITE)
flags 0x800 phys_seg 1 prio class 0
[   48.676019] Buffer I/O error on dev mmcblk0p1, logical block 0, lost sync page write

This patch adds a optional reset management for msdc.
Sometimes the bootloader does not bring msdc register
to default state, so need reset the msdc controller.

Cc: <stable@vger.kernel.org> # v5.4+
Fixes: 966580ad23 ("mmc: mediatek: add support for MT7622 SoC")
Signed-off-by: Wenbin Mei <wenbin.mei@mediatek.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20200814014346.6496-4-wenbin.mei@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-24 09:39:53 +02:00
Gustavo A. R. Silva
df561f6688 treewide: Use fallthrough pseudo-keyword
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-08-23 17:36:59 -05:00
Adrian Hunter
df57d73276 mmc: sdhci-pci: Fix SDHCI_RESET_ALL for CQHCI for Intel GLK-based controllers
For Intel controllers, SDHCI_RESET_ALL resets also CQHCI registers.
Normally, SDHCI_RESET_ALL is not used while CQHCI is enabled, but that can
happen on the error path. e.g. if mmc_cqe_recovery() fails, mmc_blk_reset()
is called which, for a eMMC that does not support HW Reset, will cycle the
bus power and the driver will perform SDHCI_RESET_ALL.

So whenever performing SDHCI_RESET_ALL ensure CQHCI is deactivated.
That will force the driver to reinitialize CQHCI when it is next used.

A similar change was done already for sdhci-msm, and other drivers using
CQHCI might benefit from a similar change, if they also have CQHCI reset
by SDHCI_RESET_ALL.

Fixes: 8ee82bda23 ("mmc: sdhci-pci: Add CQHCI support for Intel GLK")
Cc: stable@vger.kernel.org # 5.4.x: 0ffa6cfbd9: mmc: cqhci: Add cqhci_deactivate()
Cc: stable@vger.kernel.org # 5.4+
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200819121848.16967-1-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-21 11:02:29 +02:00
Raul E Rangel
61d7437ed1 mmc: sdhci-acpi: Fix HS400 tuning for AMDI0040
The AMD eMMC Controller can only use the tuned clock while in HS200 and
HS400 mode. If we switch to a different mode, we need to disable the
tuned clock. If we have previously performed tuning and switch back to
HS200 or HS400, we can re-enable the tuned clock.

Previously the tuned clock was not getting disabled when switching to
DDR52 which is part of the HS400 tuning sequence.

Fixes: 34597a3f60 ("mmc: sdhci-acpi: Add support for ACPI HID of AMD Controller with HS400")
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200819125832.v2.1.Ie8f0689ec9f449203328b37409d1cf06b565f331@changeid
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-21 10:57:20 +02:00
Linus Torvalds
8f7be62915 MMC core:
- Add a new host cap bit and a corresponding DT property, to support power
 cycling of the card by FW at system suspend/resume.
  - Fix clock rate setting for SDIO in SDR12/SDR25 speed-mode
  - Fix switch to 1/4-bit mode at system suspend/resume for SD-combo cards
  - Convert the mmc-pwrseq DT bindings to the json-schema
  - Always allow the card detect uevent to be consumed by userspace
 
 MMC host:
  - Convert a few DT bindings to the json-schema
  - mtk-sd: Add support for command queue through cqhci
  - mtk-sd: Add support for the MT6779 variant
  - renesas_sdhi_internal_dmac: Fix dma unmapping in the error path
  - sdhci_am654: Add support for the AM65x PG2.0 variant
  - sdhci_am654: Extend support for phys/clocks
  - sdhci-cadence: Drop incorrect HW tuning for SD mode
  - sdhci-msm: Add support for interconnect bandwidth scaling
  - sdhci-msm: Enable internal voltage control
  - sdhci-msm: Enable low power state for pinctrls
  - sdhci-of-at91: Ludovic Desroches handovers maintenance to Eugen Hristev
  - sdhci-pci-gli: Improve clock handling for GL975x
  - sdhci-pci-o2micro: Add HW tuning for SDR104 mode
  - sdhci-pci-o2micro: Fix support for O2 host controller Seabird1
 -----BEGIN PGP SIGNATURE-----
 
 iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAl8qX5kXHHVsZi5oYW5z
 c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjCkaURAAwjmHPGx+bc8By0y6FRDrm67S
 e1WFLTaFf6NuyjhxJRndmEvNUQIbvJVQ5NNBvzsmXzFC5BWQnAcmf3OATvTbTJ5B
 KSMf6ZqaZXDDlrSxve6l10e0/7cI+jb9LsEkPkV2Xk7Cr5Gx+/7+2UPRqtSr4WPE
 eMKGBOZYw3R2TaVB3qmf3Icj9IEhMJiou1NxTmR0370+SD8dtV2SwV42lMVuM9N5
 Re4u3BhLaej970mKJxSZUAmtKKPzVkvHAUe2lzPwrPS4a7pzj3naWLyJsdhiclIq
 pwzyUYysRzIX4t/AbkyFfeBvR+E4mxmQciRilnJy4rZY7csSdYsvg0jZS30UANMn
 21REkHlpE/7gfVx+pX8Q+Q/4XirJuL1jJJglWEoWqrx+sdpMnIa7NXowLmknG5vM
 fz2wS9cIfI82XK/ISzTRe6WWK3B/JftDLfNTQCDu2StE4Dr32Qjmt1ijtiJiSBTx
 +fCfKHWhmVaww5oFZ6RBCP1vdc4GW9SQvvj10O1QiRDiFXYASGxq7wrf6GLNwECn
 h7z5imBgSQrAdqyxAmX7E7R1g7Xv/jnqEAxxqtv3oA82RbmARe3lIQhnjemmtzU6
 yD2qboc5cHdp7D2AB4TaN5qqFbrqMxLyRMknPnukAf2MwouGkiuBGG3mxRpy1Bpo
 MZBNyieX2erDT4hZDI8=
 =AwwR
 -----END PGP SIGNATURE-----

Merge tag 'mmc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:

   - Add a new host cap bit and a corresponding DT property, to support
     power cycling of the card by FW at system suspend/resume.

   - Fix clock rate setting for SDIO in SDR12/SDR25 speed-mode

   - Fix switch to 1/4-bit mode at system suspend/resume for SD-combo
     cards

   - Convert the mmc-pwrseq DT bindings to the json-schema

   - Always allow the card detect uevent to be consumed by userspace

  MMC host controllers:

   - Convert a few DT bindings to the json-schema

   - mtk-sd:
      - Add support for command queue through cqhci
      - Add support for the MT6779 variant

   - renesas_sdhi_internal_dmac:
      - Fix dma unmapping in the error path

   - sdhci_am654:
      - Add support for the AM65x PG2.0 variant
      - Extend support for phys/clocks

   - sdhci-cadence:
      - Drop incorrect HW tuning for SD mode

   - sdhci-msm:
      - Add support for interconnect bandwidth scaling
      - Enable internal voltage control
      - Enable low power state for pinctrls

   - sdhci-of-at91:
      - Ludovic Desroches handovers maintenance to Eugen Hristev

   - sdhci-pci-gli:
      - Improve clock handling for GL975x

   - sdhci-pci-o2micro:
      - Add HW tuning for SDR104 mode
      - Fix support for O2 host controller Seabird1"

* tag 'mmc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (66 commits)
  mmc: mediatek: make function msdc_cqe_disable() static
  MAINTAINERS: mmc: sdhci-of-at91: handover maintenance to Eugen Hristev
  dt-bindings: mmc: mediatek: Add document for mt6779
  mmc: mediatek: command queue support
  mmc: mediatek: refine msdc timeout api
  mmc: mediatek: add MT6779 MMC driver support
  mmc: sdhci-pci-o2micro: Add HW tuning for SDR104 mode
  mmc: sdhci-pci-o2micro: Bug fix for O2 host controller Seabird1
  mmc: via-sdmmc: use generic power management
  memstick: jmb38x_ms: use generic power management
  mmc: sdhci-cadence: do not use hardware tuning for SD mode
  mmc: sdhci-pci-gli: Set SDR104's clock to 205MHz and enable SSC for GL975x
  mmc: cqhci: Fix a print format for the task descriptor
  mmc: sdhci-of-arasan: fix timings allocation code
  mmc: sdhci: Fix a potential uninitialized variable
  dt-bindings: mmc: renesas,sdhi: convert to YAML
  dt-bindings: mmc: convert arasan sdhci bindings to yaml
  mmc: sdhci: Fix potential null pointer access while accessing vqmmc
  mmc: core: Add MMC_CAP2_FULL_PWR_CYCLE_IN_SUSPEND
  dt-bindings: mmc: Add full-pwr-cycle-in-suspend property
  ...
2020-08-05 13:23:24 -07:00
Linus Torvalds
1785d11612 Char/Misc driver patches for 5.9-rc1
Here is the large set of char and misc and other driver subsystem
 patches for 5.9-rc1.  Lots of new driver submissions in here, and
 cleanups and features for existing drivers.
 
 Highlights are:
 	- habanalabs driver updates
 	- coresight driver updates
 	- nvmem driver updates
 	- huge number of "W=1" build warning cleanups from Lee Jones
 	- dyndbg updates
 	- virtbox driver fixes and updates
 	- soundwire driver updates
 	- mei driver updates
 	- phy driver updates
 	- fpga driver updates
 	- lots of smaller individual misc/char driver cleanups and fixes
 
 Full details are in the shortlog.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 -----BEGIN PGP SIGNATURE-----
 
 iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXylccQ8cZ3JlZ0Brcm9h
 aC5jb20ACgkQMUfUDdst+ymofgCfZ1CxNWd0ZVM0YIn8cY9gO6ON7MsAnRq48hvn
 Vjf4rKM73GC11bVF4Gyy
 =Xq1R
 -----END PGP SIGNATURE-----

Merge tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the large set of char and misc and other driver subsystem
  patches for 5.9-rc1. Lots of new driver submissions in here, and
  cleanups and features for existing drivers.

  Highlights are:
   - habanalabs driver updates
   - coresight driver updates
   - nvmem driver updates
   - huge number of "W=1" build warning cleanups from Lee Jones
   - dyndbg updates
   - virtbox driver fixes and updates
   - soundwire driver updates
   - mei driver updates
   - phy driver updates
   - fpga driver updates
   - lots of smaller individual misc/char driver cleanups and fixes

  Full details are in the shortlog.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (322 commits)
  habanalabs: remove unused but set variable 'ctx_asid'
  nvmem: qcom-spmi-sdam: Enable multiple devices
  dt-bindings: nvmem: SID: add binding for A100's SID controller
  nvmem: update Kconfig description
  nvmem: qfprom: Add fuse blowing support
  dt-bindings: nvmem: Add properties needed for blowing fuses
  dt-bindings: nvmem: qfprom: Convert to yaml
  nvmem: qfprom: use NVMEM_DEVID_AUTO for multiple instances
  nvmem: core: add support to auto devid
  nvmem: core: Add nvmem_cell_read_u8()
  nvmem: core: Grammar fixes for help text
  nvmem: sc27xx: add sc2730 efuse support
  nvmem: Enforce nvmem stride in the sysfs interface
  MAINTAINERS: Add git tree for NVMEM FRAMEWORK
  nvmem: sprd: Fix return value of sprd_efuse_probe()
  drivers: android: Fix the SPDX comment style
  drivers: android: Fix a variable declaration coding style issue
  drivers: android: Remove braces for a single statement if-else block
  drivers: android: Remove the use of else after return
  drivers: android: Fix a variable declaration coding style issue
  ...
2020-08-05 11:43:47 -07:00
Wei Yongjun
7f4bc2e868 mmc: mediatek: make function msdc_cqe_disable() static
The sparse tool complains as follows:

drivers/mmc/host/mtk-sd.c:2269:6: warning:
 symbol 'msdc_cqe_disable' was not declared. Should it be static?

This function is not used outside of mtk-sd.c, so this commit
marks it static.

Fixes: 88bd652b3c ("mmc: mediatek: command queue support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Link: https://lore.kernel.org/r/20200727171129.2945-1-weiyongjun1@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-05 08:28:15 +02:00
Linus Torvalds
99ea1521a0 Remove uninitialized_var() macro for v5.9-rc1
- Clean up non-trivial uses of uninitialized_var()
 - Update documentation and checkpatch for uninitialized_var() removal
 - Treewide removal of uninitialized_var()
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAl8oYLQWHGtlZXNjb29r
 QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJsfjEACvf0D3WL3H7sLHtZ2HeMwOgAzq
 il08t6vUscINQwiIIK3Be43ok3uQ1Q+bj8sr2gSYTwunV2IYHFferzgzhyMMno3o
 XBIGd1E+v1E4DGBOiRXJvacBivKrfvrdZ7AWiGlVBKfg2E0fL1aQbe9AYJ6eJSbp
 UGqkBkE207dugS5SQcwrlk1tWKUL089lhDAPd7iy/5RK76OsLRCJFzIerLHF2ZK2
 BwvA+NWXVQI6pNZ0aRtEtbbxwEU4X+2J/uaXH5kJDszMwRrgBT2qoedVu5LXFPi8
 +B84IzM2lii1HAFbrFlRyL/EMueVFzieN40EOB6O8wt60Y4iCy5wOUzAdZwFuSTI
 h0xT3JI8BWtpB3W+ryas9cl9GoOHHtPA8dShuV+Y+Q2bWe1Fs6kTl2Z4m4zKq56z
 63wQCdveFOkqiCLZb8s6FhnS11wKtAX4czvXRXaUPgdVQS1Ibyba851CRHIEY+9I
 AbtogoPN8FXzLsJn7pIxHR4ADz+eZ0dQ18f2hhQpP6/co65bYizNP5H3h+t9hGHG
 k3r2k8T+jpFPaddpZMvRvIVD8O2HvJZQTyY6Vvneuv6pnQWtr2DqPFn2YooRnzoa
 dbBMtpon+vYz6OWokC5QNWLqHWqvY9TmMfcVFUXE4AFse8vh4wJ8jJCNOFVp8On+
 drhmmImUr1YylrtVOw==
 =xHmk
 -----END PGP SIGNATURE-----

Merge tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull uninitialized_var() macro removal from Kees Cook:
 "This is long overdue, and has hidden too many bugs over the years. The
  series has several "by hand" fixes, and then a trivial treewide
  replacement.

   - Clean up non-trivial uses of uninitialized_var()

   - Update documentation and checkpatch for uninitialized_var() removal

   - Treewide removal of uninitialized_var()"

* tag 'uninit-macro-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  compiler: Remove uninitialized_var() macro
  treewide: Remove uninitialized_var() usage
  checkpatch: Remove awareness of uninitialized_var() macro
  mm/debug_vm_pgtable: Remove uninitialized_var() usage
  f2fs: Eliminate usage of uninitialized_var() macro
  media: sur40: Remove uninitialized_var() usage
  KVM: PPC: Book3S PR: Remove uninitialized_var() usage
  clk: spear: Remove uninitialized_var() usage
  clk: st: Remove uninitialized_var() usage
  spi: davinci: Remove uninitialized_var() usage
  ide: Remove uninitialized_var() usage
  rtlwifi: rtl8192cu: Remove uninitialized_var() usage
  b43: Remove uninitialized_var() usage
  drbd: Remove uninitialized_var() usage
  x86/mm/numa: Remove uninitialized_var() usage
  docs: deprecated.rst: Add uninitialized_var()
2020-08-04 13:49:43 -07:00
Paul Cercueil
02fd86b661 mmc: jz4740: Use pm_ptr() macro
Use the newly introduced pm_ptr() macro to simplify the code.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-07-27 13:52:36 +02:00
Greg Kroah-Hartman
65a9bde6ed Linux 5.8-rc7
-----BEGIN PGP SIGNATURE-----
 
 iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAl8d8h4eHHRvcnZhbGRz
 QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGd0sH/2iktYhMwPxzzpnb
 eI3OuTX/mRn4vUFOfpx9dmGVleMfKkpbvnn3IY7wA62Qfv7J7lkFRa1Bd1DlqXfW
 yyGTGDSKG5chiRCOU3s9ni92M4xIzFlrojyt/dIK2lUGMzUPI9FGlZRGQLKqqwLh
 2syOXRWbcQ7e52IHtDSy3YBNveKRsP4NyqV+GxGiex18SMB/M3Pw9EMH614eDPsE
 QAGQi5uGv4hPJtFHgXgUyBPLFHIyFAiVxhFRIj7u2DSEKY79+wO1CGWFiFvdTY4B
 CbqKXLffY3iQdFsLJkj9Dl8cnOQnoY44V0EBzhhORxeOp71StUVaRwQMFa5tp48G
 171s5Hs=
 =BQIl
 -----END PGP SIGNATURE-----

Merge 5.8-rc7 into char-misc-next

This should resolve the merge/build issues reported when trying to
create linux-next.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-27 11:49:37 +02:00
Chun-Hung Wu
88bd652b3c mmc: mediatek: command queue support
Support command queue for mt6779 platform.
a. Add msdc_set_busy_timeout() to calculate emmc write timeout.
b. Connect mtk msdc driver to cqhci driver through
   host->cq_host->ops = &msdc_cmdq_ops;
c. msdc_cmdq_irq() will link up with cqchi_irq(). Besides, it provides
   more irq error messages like RSPCRCERR/CMDTO/DATACRCERR/DATTMO.
d. Select kernel config MMC_CQHCI for MMC_MTK

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Acked-by: Yong Mao <yong.mao@mediatek.com>
Link: https://lore.kernel.org/r/1595205759-5825-4-git-send-email-chun-hung.wu@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:53:33 +02:00
Chun-Hung Wu
557011b6b8 mmc: mediatek: refine msdc timeout api
Extract msdc timeout api common part to have
better code architecture and avoid redundant code.

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/1595205759-5825-3-git-send-email-chun-hung.wu@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:53:33 +02:00
Chun-Hung Wu
7d176b0ea6 mmc: mediatek: add MT6779 MMC driver support
Add new code to support MT6779 mmc driver.

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Link: https://lore.kernel.org/r/1595205759-5825-2-git-send-email-chun-hung.wu@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:53:33 +02:00
shirley her
7b7d897e88 mmc: sdhci-pci-o2micro: Add HW tuning for SDR104 mode
Add HW tuning support for SD host controller in SDR104 mode

Signed-off-by: Shirley Her <shirley.her@bayhubtech.com>
Link: https://lore.kernel.org/r/20200721012700.8564-1-shirley.her@bayhubtech.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:34:42 +02:00
shirley her
cdd2b76978 mmc: sdhci-pci-o2micro: Bug fix for O2 host controller Seabird1
To fix support for the O2 host controller Seabird1, set the quirk
SDHCI_QUIRK2_PRESET_VALUE_BROKEN and the capability bit MMC_CAP2_NO_SDIO.
Moreover, assign the ->get_cd() callback.

Signed-off-by: Shirley Her <shirley.her@bayhubtech.com>
Link: https://lore.kernel.org/r/20200721011733.8416-1-shirley.her@bayhubtech.com
[Ulf: Updated the commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:30:36 +02:00
Vaibhav Gupta
0d776e5bed mmc: via-sdmmc: use generic power management
Drivers using legacy PM have to manage PCI states and device's PM states
themselves. They also need to take care of configuration registers.

With improved and powerful support of generic PM, PCI Core takes care of
above mentioned, device-independent, jobs.

This driver makes use of PCI helper functions like
pci_save/restore_state(), pci_enable/disable_device(),
pci_enable_wake() and pci_set_power_state() and to do required operations.
In generic mode, they are no longer needed.

Change function parameter in both .suspend() and .resume() to
"struct device*" type. Use dev_get_drvdata() to get drv data.

Compile-tested only.

Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Link: https://lore.kernel.org/r/20200720142603.577323-1-vaibhavgupta40@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:25:24 +02:00
Masahiro Yamada
adc40a5179 mmc: sdhci-cadence: do not use hardware tuning for SD mode
As commit ef6b75671b ("mmc: sdhci-cadence: send tune request twice to
work around errata") stated, this IP has an errata. This commit applies
the second workaround for the SD mode.

Due to the errata, it is not possible to use the hardware tuning provided
by SDHCI_HOST_CONTROL2.

Use the software-controlled tuning like the eMMC mode.

Set sdhci_host_ops::platform_execute_tuning instead of overriding
mmc_host_ops::execute_tuning.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Link: https://lore.kernel.org/r/20200720061141.172944-1-yamada.masahiro@socionext.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:21:39 +02:00
Ben Chuang
786d33c887 mmc: sdhci-pci-gli: Set SDR104's clock to 205MHz and enable SSC for GL975x
Set SDR104's clock to 205MHz and enable SSC for GL9750 and GL9755

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20200717033350.13006-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 12:09:33 +02:00
Ben Chuang
90508658d7 mmc: cqhci: Fix a print format for the task descriptor
The format string of the task descriptor should be "%016llx".

Signed-off-by: Ben Chuang <benchuanggli@gmail.com>
Link: https://lore.kernel.org/r/20200715073344.8965-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 11:55:21 +02:00
Manish Narani
88e1d0b175 mmc: sdhci-of-arasan: fix timings allocation code
The initial code that was adding delays was doing a cast over undefined
memory. This meant that the delays would be all gibberish.

This change, allocates all delays on the stack, and assigns them from the
ZynqMP & Versal macros/phase-list. And then finally copies them over the
common iclk_phase & oclk_phase variables.

Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Link: https://lore.kernel.org/r/1594753953-62980-1-git-send-email-manish.narani@xilinx.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-07-24 11:53:33 +02:00