Commit Graph

950086 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
Matthias Schiffer fa2d0aa969 mmc: core: Allow setting slot index via device tree alias
As with GPIO, UART and others, allow specifying the device index via the
aliases node in the device tree.

On embedded devices, there is often a combination of removable (e.g.
SD card) and non-removable MMC devices (e.g. eMMC).
Therefore the index might change depending on

* host of removable device
* removable card present or not

This makes it difficult to hardcode the root device, if it is on the
non-removable device. E.g. if SD card is present eMMC will be mmcblk1,
if SD card is not present at boot, eMMC will be mmcblk0.

Alternative solutions like PARTUUIDs do not cover the case where multiple
mmcblk devices contain the same image. This is a common issue on devices
that can boot both from eMMC (for regular boot) and SD cards (as a
temporary boot medium for development). When a firmware image is
installed to eMMC after a test boot via SD card, there will be no
reliable way to refer to a specific device using (PART)UUIDs oder
LABELs.

The demand for this feature has led to multiple attempts to implement
it, dating back at least to 2012 (see
https://www.spinics.net/lists/linux-mmc/msg26586.html for a previous
discussion from 2014).

All indices defined in the aliases node will be reserved for use by the
respective MMC device, moving the indices of devices that don't have an
alias up into the non-reserved range. If the aliases node is not found,
the driver will act as before.

This is a rebased and cleaned up version of
https://www.spinics.net/lists/linux-mmc/msg26588.html .

Based-on-patch-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lkml.org/lkml/2020/8/5/194
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Link: https://lore.kernel.org/r/20200901085004.2512-2-matthias.schiffer@ew.tq-group.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:32 +02:00
Matthias Schiffer 1796164fac dt-bindings: mmc: document alias support
As for I2C and SPI, it now is possible to reserve a fixed index for
mmc/mmcblk devices.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Link: https://lore.kernel.org/r/20200901085004.2512-1-matthias.schiffer@ew.tq-group.com
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
Krzysztof Kozlowski 9381118fcf dt-bindings: mmc: mmc-pwreq-simple: Accept more than one reset GPIO
There might be multiple reset GPIOs but dtschema has trouble parsing it
if there are no maxItems:

  arch/arm/boot/dts/exynos5250-snow.dt.yaml: mmc3_pwrseq: reset-gpios: [[20, 2, 1], [20, 1, 1]] is too long
    From schema: Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.yaml

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200831161147.13515-2-krzk@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:32 +02:00
Krzysztof Kozlowski 80fd350b95 dt-bindings: mmc: fsl-imx-esdhc: Fix i.MX 8 compatible matching
The i.MX 8 DTSes use two compatibles so update the binding to fix
dtbs_check warnings like:

  arch/arm64/boot/dts/freescale/imx8mn-evk.dt.yaml: mmc@30b40000:
    compatible: ['fsl,imx8mn-usdhc', 'fsl,imx7d-usdhc'] is too long
    From schema: Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml

  arch/arm64/boot/dts/freescale/imx8mn-evk.dt.yaml: mmc@30b40000:
    compatible: Additional items are not allowed ('fsl,imx7d-usdhc' was unexpected)

  arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dt.yaml: mmc@30b40000:
    compatible: ['fsl,imx8mn-usdhc', 'fsl,imx7d-usdhc'] is too long

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200829062505.4642-1-krzk@kernel.org
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
Tian Tao e449d98381 mmc: sd: Use kobj_to_dev() instead of container_of()
Use kobj_to_dev() instead of container_of()

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1598230956-58523-1-git-send-email-tiantao6@hisilicon.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
Lars Povlsen 061e4fbf6a dt-bindings: mmc: Add Sparx5 SDHCI controller bindings
The Sparx5 SDHCI controller is based on the Designware controller IP.

Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200825081357.32354-2-lars.povlsen@microchip.com
Link: https://lore.kernel.org/r/20200826130106.22889-1-lars.povlsen@microchip.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:29 +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
Wolfram Sang 6932794192 mmc: core: Improve documentation of MMC_CAP_HW_RESET
MMC_CAP_HW_RESET means that the controller is capable of resetting the eMMC
device via RST_n signal, not a reset of the controller. Two drivers got
this wrong, so let's make it more clear.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20200821063533.3771-1-wsa+renesas@sang-engineering.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
Wolfram Sang c92a6af686 mmc: test: remove ambiguity in test description
When reading the test description, I thought a correction of the
xfer_size was tested, which is not the case. It is tested that the
xfer_size is correct. Use 'proper xfer_size' to remove this ambiguity.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20200817115838.2981-1-wsa@kernel.org
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
Pali Rohár b698f6abb7 mmc: sdio: Export SDIO revision and info strings to userspace
For SDIO functions, SDIO cards and SD COMBO cards are exported revision
number and info strings from CISTPL_VERS_1 structure. Revision number
should indicate compliance of standard and info strings should contain
product information in same format as product information for PCMCIA cards.

Product information for PCMCIA cards should contain following strings in
this order: Manufacturer, Product Name, Lot number, Programming Conditions.

Note that not all SDIO cards export all those info strings in that order as
described in PCMCIA Metaformat Specification.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200727133837.19086-5-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:29 +02:00
Pali Rohár b91ec1dc5c mmc: sdio: Extend sdio_config_attr macro and use it also for modalias
This simplify code for generating sdio config attributes and allows easily
define new sdio attributes.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200727133837.19086-4-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:28 +02:00
Pali Rohár 78366e9cbd mmc: sdio: Parse CISTPL_VERS_1 major and minor revision numbers
They should indicate compliance of standard.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200727133837.19086-3-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:28 +02:00
Pali Rohár 8ebe260796 mmc: sdio: Check for CISTPL_VERS_1 buffer size
Before parsing CISTPL_VERS_1 structure check that its size is at least two
bytes to prevent buffer overflow.

Signed-off-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/20200727133837.19086-2-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:28 +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
Colin Ian King 309de450d7 ms_block: fix spelling mistake "doesn'" -> "doesn't"
There is a spelling mistake in a debug message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200810080247.47024-1-colin.king@canonical.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-09-07 09:11:28 +02:00
Lad Prabhakar 9e1adca201 dt-bindings: mmc: renesas,sdhi: Add r8a774e1 support
Document SDHI controller for RZ/G2H (R8A774E1) SoC, which is compatible
with R-Car Gen3 SoC family.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200809192001.19156-1-prabhakar.mahadev-lad.rj@bp.renesas.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
Faiz Abbas d99654f623 dt-bindings: mmc: sdhci-am654: Document bindings for the host controllers on TI's J7200 devices
Add binding documentation for mmc host controllers present on
TI's J7200 SOC

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20200802070114.9624-1-faiz_abbas@ti.com
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 f4d51dffc6 Linux 5.9-rc4 2020-09-06 17:11:40 -07:00
Linus Torvalds a8205e3100 io_uring-5.9-2020-09-06
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Merge tag 'io_uring-5.9-2020-09-06' of git://git.kernel.dk/linux-block

Pull more io_uring fixes from Jens Axboe:
 "Two followup fixes. One is fixing a regression from this merge window,
  the other is two commits fixing cancelation of deferred requests.

  Both have gone through full testing, and both spawned a few new
  regression test additions to liburing.

   - Don't play games with const, properly store the output iovec and
     assign it as needed.

   - Deferred request cancelation fix (Pavel)"

* tag 'io_uring-5.9-2020-09-06' of git://git.kernel.dk/linux-block:
  io_uring: fix linked deferred ->files cancellation
  io_uring: fix cancel of deferred reqs with ->files
  io_uring: fix explicit async read/write mapping for large segments
2020-09-06 12:10:27 -07:00
Linus Torvalds 2ccdd9f8b2 IOMMU Fixes for Linux v5.9-rc3
Including:
 
 	- Three Intel VT-d fixes to fix address handling on 32bit, fix a
 	  NULL pointer dereference bug and serialize a hardware register
 	  access as required by the VT-d spec.
 
 	- Two patches for AMD IOMMU to force AMD GPUs into translation mode
 	  when memory encryption is active and disallow using IOMMUv2
 	  functionality. This makes the AMDGPU driver working when
 	  memory encryption is active.
 
 	- Two more fixes for AMD IOMMU to fix updating the Interrupt
 	  Remapping Table Entries.
 
 	- MAINTAINERS file update for the Qualcom IOMMU driver.
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Merge tag 'iommu-fixes-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu fixes from Joerg Roedel:

 - three Intel VT-d fixes to fix address handling on 32bit, fix a NULL
   pointer dereference bug and serialize a hardware register access as
   required by the VT-d spec.

 - two patches for AMD IOMMU to force AMD GPUs into translation mode
   when memory encryption is active and disallow using IOMMUv2
   functionality.  This makes the AMDGPU driver work when memory
   encryption is active.

 - two more fixes for AMD IOMMU to fix updating the Interrupt Remapping
   Table Entries.

 - MAINTAINERS file update for the Qualcom IOMMU driver.

* tag 'iommu-fixes-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Handle 36bit addressing for x86-32
  iommu/amd: Do not use IOMMUv2 functionality when SME is active
  iommu/amd: Do not force direct mapping when SME is active
  iommu/amd: Use cmpxchg_double() when updating 128-bit IRTE
  iommu/amd: Restore IRTE.RemapEn bit after programming IRTE
  iommu/vt-d: Fix NULL pointer dereference in dev_iommu_priv_set()
  iommu/vt-d: Serialize IOMMU GCMD register modifications
  MAINTAINERS: Update QUALCOMM IOMMU after Arm SMMU drivers move
2020-09-06 11:58:15 -07:00
Linus Torvalds 015b3155c4 Misc fixes:
- Fix more generic entry code ABI fallout
  - Fix debug register handling bugs
  - Fix vmalloc mappings on 32-bit kernels
  - Fix kprobes instrumentation output on 32-bit kernels
  - Fix over-eager WARN_ON_ONCE() on !SMAP hardware
  - Fix NUMA debugging
  - Fix Clang related crash on !RETPOLINE kernels
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-09-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:

 - more generic entry code ABI fallout

 - debug register handling bugfixes

 - fix vmalloc mappings on 32-bit kernels

 - kprobes instrumentation output fix on 32-bit kernels

 - fix over-eager WARN_ON_ONCE() on !SMAP hardware

 - NUMA debugging fix

 - fix Clang related crash on !RETPOLINE kernels

* tag 'x86-urgent-2020-09-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/entry: Unbreak 32bit fast syscall
  x86/debug: Allow a single level of #DB recursion
  x86/entry: Fix AC assertion
  tracing/kprobes, x86/ptrace: Fix regs argument order for i386
  x86, fakenuma: Fix invalid starting node ID
  x86/mm/32: Bring back vmalloc faulting on x86_32
  x86/cmdline: Disable jump tables for cmdline.c
2020-09-06 10:28:00 -07:00
Linus Torvalds 68beef5710 xen: branch for v5.9-rc4
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Merge tag 'for-linus-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:
 "A small series for fixing a problem with Xen PVH guests when running
  as backends (e.g. as dom0).

  Mapping other guests' memory is now working via ZONE_DEVICE, thus not
  requiring to abuse the memory hotplug functionality for that purpose"

* tag 'for-linus-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: add helpers to allocate unpopulated memory
  memremap: rename MEMORY_DEVICE_DEVDAX to MEMORY_DEVICE_GENERIC
  xen/balloon: add header guard
2020-09-06 09:59:27 -07:00
Pavel Begunkov c127a2a1b7 io_uring: fix linked deferred ->files cancellation
While looking for ->files in ->defer_list, consider that requests there
may actually be links.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-09-05 16:02:42 -06:00
Pavel Begunkov b7ddce3cbf io_uring: fix cancel of deferred reqs with ->files
While trying to cancel requests with ->files, it also should look for
requests in ->defer_list, otherwise it might end up hanging a thread.

Cancel all requests in ->defer_list up to the last request there with
matching ->files, that's needed to follow drain ordering semantics.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-09-05 15:59:51 -06:00
Linus Torvalds dd9fb9bb33 A trivial patch for auxdisplay:
- Replace HTTP links with HTTPS ones (Alexander A. Klimov)
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mergetag object 4e4bb89446
 type commit
 tag clang-format-for-linus-v5.9-rc4
 tagger Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> 1599306139 +0200
 
 The usual trivial update:
 
  - Update with the latest for_each macro list (Miguel Ojeda)
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mergetag object e5fc436f06
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 tag compiler-attributes-for-linus-v5.9-rc4
 tagger Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> 1599306822 +0200
 
 Two trivial changes and a fix for sparse:
 
  - sparse: use static inline for __chk_{user,io}_ptr() (Luc Van Oostenryck)
 
  - Compiler Attributes: fix comment concerning GCC 4.6 (Luc Van Oostenryck)
 
  - Compiler Attributes: remove comment about sparse not supporting __has_attribute (Luc Van Oostenryck)
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Merge tags 'auxdisplay-for-linus-v5.9-rc4', 'clang-format-for-linus-v5.9-rc4' and 'compiler-attributes-for-linus-v5.9-rc4' of git://github.com/ojeda/linux

Pull misc fixes from Miguel Ojeda:
 "A trivial patch for auxdisplay:

   - Replace HTTP links with HTTPS ones (Alexander A. Klimov)

  The usual clang-format trivial update:

   - Update with the latest for_each macro list (Miguel Ojeda)

  And Luc requested me to pick a sparse fix on my queue, so here it goes
  along with other two trivial Compiler Attributes ones (also from Luc).

   - sparse: use static inline for __chk_{user,io}_ptr() (Luc Van
     Oostenryck)

   - Compiler Attributes: fix comment concerning GCC 4.6 (Luc Van
     Oostenryck)

   - Compiler Attributes: remove comment about sparse not supporting
     __has_attribute (Luc Van Oostenryck)"

* tag 'auxdisplay-for-linus-v5.9-rc4' of git://github.com/ojeda/linux:
  auxdisplay: Replace HTTP links with HTTPS ones

* tag 'clang-format-for-linus-v5.9-rc4' of git://github.com/ojeda/linux:
  clang-format: Update with the latest for_each macro list

* tag 'compiler-attributes-for-linus-v5.9-rc4' of git://github.com/ojeda/linux:
  sparse: use static inline for __chk_{user,io}_ptr()
  Compiler Attributes: fix comment concerning GCC 4.6
  Compiler Attributes: remove comment about sparse not supporting __has_attribute
2020-09-05 14:22:46 -07:00
Linus Torvalds 70187f7727 ARC fixes for 5.9-rc4
- HSDK-4xd Dev system: perf driver updates for sampling interrupt
 
  - HSDK* Dev System : Ethernet broken	[Evgeniy Didin]
 
  - HIGHMEM broken (2 memory banks)	[Mike Rapoport]
 
  - show_regs() rewrite once and for all
 
  - Other minor fixes
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Merge tag 'arc-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC fixes from Vineet Gupta:

 - HSDK-4xd Dev system: perf driver updates for sampling interrupt

 - HSDK* Dev System: Ethernet broken [Evgeniy Didin]

 - HIGHMEM broken (2 memory banks) [Mike Rapoport]

 - show_regs() rewrite once and for all

 - Other minor fixes

* tag 'arc-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: [plat-hsdk]: Switch ethernet phy-mode to rgmii-id
  arc: fix memory initialization for systems with two memory banks
  irqchip/eznps: Fix build error for !ARC700 builds
  ARC: show_regs: fix r12 printing and simplify
  ARC: HSDK: wireup perf irq
  ARC: perf: don't bail setup if pct irq missing in device-tree
  ARC: pgalloc.h: delete a duplicated word + other fixes
2020-09-05 13:46:14 -07:00