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Yann Gautier 774514bf97 mmc: mmci: Add MMC_CAP_NEED_RSP_BUSY for the stm32 variants
An issue has been observed on STM32MP157C-EV1 board, with an erase command
with secure erase argument, ending up waiting for ~4 hours before timeout.

The requested busy timeout from the mmc core ends up with 14784000ms (~4
hours), but the supported host->max_busy_timeout is 86767ms, which leads to
that the core switch to use an R1 response in favor of the R1B and polls
for busy with the host->card_busy() ops. In this case the polling doesn't
work as expected, as we never detects that the card stops signaling busy,
which leads to the following message:

 mmc1: Card stuck being busy! __mmc_poll_for_busy

The problem boils done to that the stm32 variants can't use R1 responses in
favor of R1B responses, as it leads to an internal state machine in the
controller to get stuck. To continue to process requests, it would need to
be reset.

To fix this problem, let's set MMC_CAP_NEED_RSP_BUSY for the stm32 variant,
which prevent the mmc core from switching to R1 responses. Additionally,
let's cap the cmd->busy_timeout to the host->max_busy_timeout, thus rely on
86767ms to be sufficient (~66 seconds was need for this test case).

Fixes: 94fe2580a2 ("mmc: core: Enable erase/discard/trim support for all mmc hosts")
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Link: https://lore.kernel.org/r/20210225145454.12780-1-yann.gautier@foss.st.com
Cc: stable@vger.kernel.org
[Ulf: Simplified the code and extended the commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-03-09 10:00:52 +01:00
Linus Torvalds ef9856a734 Merge branch 'stable/for-linus-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb updates from Konrad Rzeszutek Wilk:
 "Two memory encryption related patches (SWIOTLB is enabled by default
  for AMD-SEV):

   - Add support for alignment so that NVME can properly work

   - Keep track of requested DMA buffers length, as underlaying hardware
     devices can trip SWIOTLB to bounce too much and crash the kernel

  And a tiny fix to use proper APIs in drivers"

* 'stable/for-linus-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: Validate bounce size in the sync/unmap path
  nvme-pci: set min_align_mask
  swiotlb: respect min_align_mask
  swiotlb: don't modify orig_addr in swiotlb_tbl_sync_single
  swiotlb: refactor swiotlb_tbl_map_single
  swiotlb: clean up swiotlb_tbl_unmap_single
  swiotlb: factor out a nr_slots helper
  swiotlb: factor out an io_tlb_offset helper
  swiotlb: add a IO_TLB_SIZE define
  driver core: add a min_align_mask field to struct device_dma_parameters
  sdhci: stop poking into swiotlb internals
2021-02-26 13:59:32 -08:00
Linus Torvalds 6ff6f86bc4 ARM updates for 5.12-rc1:
- Generalise byte swapping assembly
 - Update debug addresses for STI
 - Validate start of physical memory with DTB
 - Do not clear SCTLR.nTLSMD in decompressor
 - amba/locomo/sa1111 devices remove method return type is void
 - address markers for KASAN in page table dump
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - Generalise byte swapping assembly

 - Update debug addresses for STI

 - Validate start of physical memory with DTB

 - Do not clear SCTLR.nTLSMD in decompressor

 - amba/locomo/sa1111 devices remove method return type is void

 - address markers for KASAN in page table dump

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
  ARM: 9055/1: mailbox: arm_mhuv2: make remove callback return void
  amba: Make use of bus_type functions
  amba: Make the remove callback return void
  vfio: platform: simplify device removal
  amba: reorder functions
  amba: Fix resource leak for drivers without .remove
  ARM: 9054/1: arch/arm/mm/mmu.c: Remove duplicate header
  ARM: 9053/1: arm/mm/ptdump:Add address markers for KASAN regions
  ARM: 9051/1: vdso: remove unneded extra-y addition
  ARM: 9050/1: Kconfig: Select ARCH_HAVE_NMI_SAFE_CMPXCHG where possible
  ARM: 9049/1: locomo: make locomo bus's remove callback return void
  ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void
  ARM: 9047/1: smp: remove unused variable
  ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
  ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
  ARM: 9042/1: debug: no uncompress debugging while semihosting
  ARM: 9041/1: sti LL_UART: add STiH418 SBC UART0 support
  ARM: 9040/1: use DEBUG_UART_PHYS and DEBUG_UART_VIRT for sti LL_UART
  ARM: 9039/1: assembler: generalize byte swapping macro into rev_l
2021-02-22 14:27:07 -08:00
Christoph Hellwig 66e8d3b899 sdhci: stop poking into swiotlb internals
Use the proper API to query the max mapping size instead of guessing
it based on swiotlb internals.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2021-02-20 10:13:19 -05:00
Frank Li a56f44138a mmc: sdhci-esdhc-imx: fix kernel panic when remove module
In sdhci_esdhc_imx_remove() the SDHCI_INT_STATUS in read. Under some
circumstances, this may be done while the device is runtime suspended,
triggering the below splat.

Fix the problem by adding a pm_runtime_get_sync(), before reading the
register, which will turn on clocks etc making the device accessible again.

[ 1811.323148] mmc1: card aaaa removed
[ 1811.347483] Internal error: synchronous external abort: 96000210 [#1] PREEMPT SMP
[ 1811.354988] Modules linked in: sdhci_esdhc_imx(-) sdhci_pltfm sdhci cqhci mmc_block mmc_core [last unloaded: mmc_core]
[ 1811.365726] CPU: 0 PID: 3464 Comm: rmmod Not tainted 5.10.1-sd-99871-g53835a2e8186 #5
[ 1811.373559] Hardware name: Freescale i.MX8DXL EVK (DT)
[ 1811.378705] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)
[ 1811.384723] pc : sdhci_esdhc_imx_remove+0x28/0x15c [sdhci_esdhc_imx]
[ 1811.391090] lr : platform_drv_remove+0x2c/0x50
[ 1811.395536] sp : ffff800012c7bcb0
[ 1811.398855] x29: ffff800012c7bcb0 x28: ffff00002c72b900
[ 1811.404181] x27: 0000000000000000 x26: 0000000000000000
[ 1811.409497] x25: 0000000000000000 x24: 0000000000000000
[ 1811.414814] x23: ffff0000042b3890 x22: ffff800009127120
[ 1811.420131] x21: ffff00002c4c9580 x20: ffff0000042d0810
[ 1811.425456] x19: ffff0000042d0800 x18: 0000000000000020
[ 1811.430773] x17: 0000000000000000 x16: 0000000000000000
[ 1811.436089] x15: 0000000000000004 x14: ffff000004019c10
[ 1811.441406] x13: 0000000000000000 x12: 0000000000000020
[ 1811.446723] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f
[ 1811.452040] x9 : fefefeff6364626d x8 : 7f7f7f7f7f7f7f7f
[ 1811.457356] x7 : 78725e6473607372 x6 : 0000000080808080
[ 1811.462673] x5 : 0000000000000000 x4 : 0000000000000000
[ 1811.467990] x3 : ffff800011ac1cb0 x2 : 0000000000000000
[ 1811.473307] x1 : ffff8000091214d4 x0 : ffff8000133a0030
[ 1811.478624] Call trace:
[ 1811.481081]  sdhci_esdhc_imx_remove+0x28/0x15c [sdhci_esdhc_imx]
[ 1811.487098]  platform_drv_remove+0x2c/0x50
[ 1811.491198]  __device_release_driver+0x188/0x230
[ 1811.495818]  driver_detach+0xc0/0x14c
[ 1811.499487]  bus_remove_driver+0x5c/0xb0
[ 1811.503413]  driver_unregister+0x30/0x60
[ 1811.507341]  platform_driver_unregister+0x14/0x20
[ 1811.512048]  sdhci_esdhc_imx_driver_exit+0x1c/0x3a8 [sdhci_esdhc_imx]
[ 1811.518495]  __arm64_sys_delete_module+0x19c/0x230
[ 1811.523291]  el0_svc_common.constprop.0+0x78/0x1a0
[ 1811.528086]  do_el0_svc+0x24/0x90
[ 1811.531405]  el0_svc+0x14/0x20
[ 1811.534461]  el0_sync_handler+0x1a4/0x1b0
[ 1811.538474]  el0_sync+0x174/0x180
[ 1811.541801] Code: a9025bf5 f9403e95 f9400ea0 9100c000 (b9400000)
[ 1811.547902] ---[ end trace 3fb1a3bd48ff7be5 ]---

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Cc: stable@vger.kernel.org # v4.0+
Link: https://lore.kernel.org/r/20210210181933.29263-1-Frank.Li@nxp.com
[Ulf: Clarified the commit message a bit]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-15 10:43:23 +01:00
Roman Kiryanov 11b2ce62bd mmc: host: Retire MMC_GOLDFISH
Android Studio Emulator no longer uses this driver, so let's drop it.

Signed-off-by: Roman Kiryanov <rkir@google.com>
Link: https://lore.kernel.org/r/20210209190850.16647-1-rkir@google.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-15 10:43:23 +01:00
Emil Renner Berthing f8f007c13e mmc: cb710: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Acked-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/20210208134551.39696-1-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-15 10:43:23 +01:00
Shirley Her 1ad9f88014 mmc: sdhci-pci-o2micro: Bug fix for SDR104 HW tuning failure
Force chip enter L0 power state during SDR104 HW tuning to avoid tuning failure

Signed-off-by: Shirley Her <shirley.her@bayhubtech.com>
Link: https://lore.kernel.org/r/20210206014051.3418-1-shirley.her@bayhubtech.com
Fixes: 7b7d897e88 ("mmc: sdhci-pci-o2micro: Add HW tuning for SDR104 mode")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-15 10:37:57 +01:00
Emil Renner Berthing 0c1a3e8b2e mmc: wbsd: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-10-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing e821afd8e0 mmc: via-sdmmc: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-9-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing 39d2969d7b mmc: uniphier-sd: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-8-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing c36dd04282 mmc: tifm_sd: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-7-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing ddf116f96f mmc: s3cmci: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-6-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing 0f5a7cb639 mmc: omap: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-5-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing 6078df1565 mmc: dw_mmc: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-4-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing a1149c387c mmc: au1xmmc: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-3-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Emil Renner Berthing 82a5d372ed mmc: atmel-mci: Use new tasklet API
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1c ("tasklet: Introduce new initialization API")

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Link: https://lore.kernel.org/r/20210204151847.91353-2-kernel@esmil.dk
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 13:00:31 +01:00
Xiaofei Tan f9261eb7d3 mmc: cavium: Replace spin_lock_irqsave with spin_lock in hard IRQ
It is redundant to do irqsave and irqrestore in hardIRQ context, where
it has been in a irq-disabled context.

Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Link: https://lore.kernel.org/r/1612422438-32525-1-git-send-email-tanxiaofei@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-08 12:57:16 +01:00
Uwe Kleine-König 3fd269e74f amba: Make the remove callback return void
All amba drivers return 0 in their remove callback. Together with the
driver core ignoring the return value anyhow, it doesn't make sense to
return a value here.

Change the remove prototype to return void, which makes it explicit that
returning an error value doesn't work as expected. This simplifies changing
the core remove callback to return void, too.

Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org> # for drivers/memory
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> # for hwtracing/coresight
Acked-By: Vinod Koul <vkoul@kernel.org> # for dmaengine
Acked-by: Guenter Roeck <linux@roeck-us.net> # for watchdog
Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C
Acked-by: Takashi Iwai <tiwai@suse.de> # for sound
Acked-by: Vladimir Zapolskiy <vz@mleia.com> # for memory/pl172
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210126165835.687514-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2021-02-02 14:25:50 +01:00
Ulf Hansson fdb7ef5b7d Merge branch 'fixes' into next 2021-02-01 12:03:14 +01:00
Marek Vasut 6351cac92a mmc: mmci: Add support for probing bus voltage level translator
Add support for testing whether bus voltage level translator is present
and operational. This is useful on systems where the bus voltage level
translator is optional, as the translator can be auto-detected by the
driver and the feedback clock functionality can be disabled if it is
not present.

This requires additional pinmux state, "init", where the CMD, CK, CKIN
lines are not configured, so they can be claimed as GPIOs early on in
probe(). The translator test sets CMD high to avoid interfering with a
card, and then verifies whether signal set on CK is detected on CKIN.
If the signal is detected, translator is present, otherwise the CKIN
feedback clock are disabled.

Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Ludovic Barre <ludovic.barre@st.com>
Tested-by: Yann Gautier <yann.gautier@foss.st.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://lore.kernel.org/r/20210124170258.32862-2-marex@denx.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 12:02:34 +01:00
Eric Biggers c93767cf64 mmc: sdhci-msm: add Inline Crypto Engine support
Add support for Qualcomm Inline Crypto Engine (ICE) to sdhci-msm.

The standard-compliant parts, such as querying the crypto capabilities
and enabling crypto for individual MMC requests, are already handled by
cqhci-crypto.c, which itself is wired into the blk-crypto framework.
However, ICE requires vendor-specific init, enable, and resume logic,
and it requires that keys be programmed and evicted by vendor-specific
SMC calls.  Make the sdhci-msm driver handle these details.

This is heavily inspired by the similar changes made for UFS, since the
UFS and eMMC ICE instances are very similar.  See commit df4ec2fa7a
("scsi: ufs-qcom: Add Inline Crypto Engine support").

I tested this on a Sony Xperia 10, which uses the Snapdragon 630 SoC,
which has basic upstream support.  Mainly, I used android-xfstests
(https://github.com/tytso/xfstests-bld/blob/master/Documentation/android-xfstests.md)
to run the ext4 and f2fs encryption tests in a Debian chroot:

	android-xfstests -c ext4,f2fs -g encrypt -m inlinecrypt

These tests included tests which verify that the on-disk ciphertext is
identical to that produced by a software implementation.  I also
verified that ICE was actually being used.

Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Satya Tangirala <satyat@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20210126001456.382989-9-ebiggers@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 12:02:34 +01:00
Eric Biggers 0a0c866f37 mmc: cqhci: add cqhci_host_ops::program_key
On Snapdragon SoCs, the Linux kernel isn't permitted to directly access
the standard CQHCI crypto configuration registers.  Instead, programming
and evicting keys must be done through vendor-specific SMC calls.

To support this hardware, add a ->program_key() method to
'struct cqhci_host_ops'.  This allows overriding the standard CQHCI
crypto key programming / eviction procedure.

This is inspired by the corresponding UFS crypto support, which uses
these same SMC calls.  See commit 1bc726e26e ("scsi: ufs: Add
program_key() variant op").

Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Satya Tangirala <satyat@google.com>
Reviewed-and-tested-by: Peng Zhou <peng.zhou@mediatek.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20210126001456.382989-6-ebiggers@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 12:02:33 +01:00
Eric Biggers 1e80709bdb mmc: cqhci: add support for inline encryption
Add support for eMMC inline encryption using the blk-crypto framework
(Documentation/block/inline-encryption.rst).

eMMC inline encryption support is specified by the upcoming JEDEC eMMC
v5.2 specification.  It is only specified for the CQ interface, not the
non-CQ interface.  Although the eMMC v5.2 specification hasn't been
officially released yet, the crypto support was already agreed on
several years ago, and it was already implemented by at least two major
hardware vendors.  Lots of hardware in the field already supports and
uses it, e.g. Snapdragon 630 to give one example.

eMMC inline encryption support is very similar to the UFS inline
encryption support which was standardized in the UFS v2.1 specification
and was already upstreamed.  The only major difference is that eMMC
limits data unit numbers to 32 bits, unlike UFS's 64 bits.

Like we did with UFS, make the crypto support opt-in by individual
drivers; don't enable it automatically whenever the hardware declares
crypto support.  This is necessary because in every case we've seen,
some extra vendor-specific logic is needed to use the crypto support.

Co-developed-by: Satya Tangirala <satyat@google.com>
Signed-off-by: Satya Tangirala <satyat@google.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Satya Tangirala <satyat@google.com>
Reviewed-and-tested-by: Peng Zhou <peng.zhou@mediatek.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20210125183810.198008-5-ebiggers@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 12:02:33 +01:00
Eric Biggers ee49d0321f mmc: cqhci: initialize upper 64 bits of 128-bit task descriptors
Move the task descriptor initialization into cqhci_prep_task_desc().
In addition, make it explicitly initialize all 128 bits of the task
descriptor if the host controller is using 128-bit task descriptors,
rather than relying on the implicit zeroing from dmam_alloc_coherent().

This is needed to prepare for CQHCI inline encryption support, which
requires 128-bit task descriptors and uses the upper 64 bits.

Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Satya Tangirala <satyat@google.com>
Reviewed-and-tested-by: Peng Zhou <peng.zhou@mediatek.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20210126001456.382989-4-ebiggers@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 12:02:33 +01:00
Eric Biggers 0653300224 mmc: cqhci: rename cqhci.c to cqhci-core.c
Rename cqhci.c to cqhci-core.c so that another source file can be added
to the cqhci module without having to rename the module.

Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-and-tested-by: Peng Zhou <peng.zhou@mediatek.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20210126001456.382989-3-ebiggers@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 12:02:33 +01:00
Andrew Jeffery 4af307f574 mmc: sdhci-of-aspeed: Fix kunit-related build error
Randy found that with the following Kconfig settings we have duplicate
definitions (e.g. __inittest()) in sdhci-of-aspeed due to competing
module_init()/module_exit() calls from kunit and driver the itself.

```
CONFIG_MMC_SDHCI_OF_ASPEED=m
CONFIG_MMC_SDHCI_OF_ASPEED_TEST=y
```

Conditionally open-code the kunit initialisation to avoid the error.

Fixes: 7efa02a981d6 ("mmc: sdhci-of-aspeed: Add KUnit tests for phase calculations")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20210122114852.3790565-1-andrew@aj.id.au
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:49 +01:00
Arnd Bergmann c7b9f01fd1 mmc: remove sirf prima/atlas driver
The CSR SiRF prima2/atlas platforms are getting removed, so this driver
is no longer needed.

Cc: Barry Song <baohua@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Barry Song <baohua@kernel.org>
Link: https://lore.kernel.org/r/20210120142801.334550-3-arnd@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:49 +01:00
Arnd Bergmann e55f2cf512 mmc: remove dw_mmc-zx driver
The zte zx platform is getting removed, so this driver is no
longer needed.

Cc: Jun Nie <jun.nie@linaro.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210120142801.334550-2-arnd@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:48 +01:00
Jiapeng Zhong fe6e147178 mmc: atmel-mci: Assign boolean values to a bool variable
Fix the following coccicheck warnings:

./drivers/mmc/host/atmel-mci.c:2436:2-34: WARNING: Assignment
of 0/1 to bool variable.

./drivers/mmc/host/atmel-mci.c:2425:2-20: WARNING: Assignment
of 0/1 to bool variable.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/1611128377-66216-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:48 +01:00
Jeremy Linton 4f9833d3ec mmc: sdhci-iproc: Add ACPI bindings for the RPi
The RPi4 has an Arasan controller it carries over from the RPi3 and a newer
eMMC2 controller.  Because of a couple of quirks, it seems wiser to bind
these controllers to the same driver that DT is using on this platform
rather than the generic sdhci_acpi driver with PNP0D40.

So, BCM2847 describes the older Arasan and BRCME88C describes the newer
eMMC2. The older Arasan is reusing an existing ACPI _HID used by other OSes
booting these tables on the RPi.

With this change, Linux is capable of utilizing the SD card slot, and the
Wi-Fi when booted with UEFI+ACPI on the RPi4.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20210120000406.1843400-2-jeremy.linton@arm.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:48 +01:00
Andrew Jeffery 0bbcd22556 mmc: sdhci-of-aspeed: Add KUnit tests for phase calculations
Converting degrees of phase to logic delays is irritating to test on
hardware, so lets exercise the function using KUnit.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210114031433.2388532-5-andrew@aj.id.au
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:47 +01:00
Andrew Jeffery 0c53dc321a mmc: sdhci-of-aspeed: Add AST2600 bus clock support
The AST2600 can achieve HS200 speeds with a change to the bus clock
divisor behaviour. The divisor can also be more accurate with respect
to the requested clock rate, but keep the one-hot behaviour for
backwards compatibility with the AST2400 and AST2500.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210114031433.2388532-4-andrew@aj.id.au
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:47 +01:00
Andrew Jeffery 2fc88f9235 mmc: sdhci-of-aspeed: Expose clock phase controls
The Aspeed SD/eMMC controllers expose configurable clock phase
correction by inserting delays of up to 15 logic elements in length into
the bus clock path. The hardware supports independent configuration for
both bus directions on a per-slot basis.

The timing delay per element encoded in the driver was experimentally
determined by scope measurements.

The phase controls for both slots are grouped together in a single
register of the global register block of the SD/MMC controller(s), which
drives the use of a locking scheme between the SDHCIs and the global
register set.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210114031433.2388532-3-andrew@aj.id.au
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:47 +01:00
Yang Li eab234fce3 mmc: omap_hsmmc: Simplify bool comparison and conversion
Fix the following coccicheck warning:
./drivers/mmc/host/omap_hsmmc.c:297:6-25: WARNING: Comparison of 0/1 to
bool variable

According to the context, vqmmc_enabled is more suitable for bool type.

Reported-by: Abaci Robot<abaci@linux.alibaba.com>
Signed-off-by: Yang Li <abaci-bugfix@linux.alibaba.com>
Link: https://lore.kernel.org/r/1610704281-11036-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:47 +01:00
Renius Chen c58c5950b8 mmc: sdhci-pci-gli: Finetune HS400 RX delay for GL9763E
To improve the compatibility of GL9763E with HS400 eMMC cards,
finetune the RX delay of HS400 mode.

Signed-off-by: Renius Chen <reniuschengl@gmail.com>
Link: https://lore.kernel.org/r/20210111082249.17092-1-reniuschengl@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:46 +01:00
Muhammad Husaini Zulkifli ffd68f356e mmc: sdhci-of-arasan: Use dev_err_probe() to avoid spamming logs
Using dev_err_probe() can avoid spamming logs when probe is deferred.
This function can also help to reduce code the size, uniform error handling
and simplify the code.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/r/20210114152700.21916-5-muhammad.husaini.zulkifli@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:46 +01:00
Muhammad Husaini Zulkifli 2ff0b85d62 mmc: sdhci-of-arasan: Add structure device pointer in probe function
Add struct device *dev in probe func() so that it can widely use in
probe to make code more readable.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/r/20210114152700.21916-4-muhammad.husaini.zulkifli@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:46 +01:00
Muhammad Husaini Zulkifli 80d41efe2e mmc: sdhci-of-arasan: Convert to use np instead of pdev->dev.of_node
Use np pointer to simplify code and improve readability.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/r/20210114152700.21916-3-muhammad.husaini.zulkifli@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:46 +01:00
Muhammad Husaini Zulkifli eb08587524 mmc: sdhci-of-arasan: use of_device_get_match_data()
Use of_device_get_match_data() helper to get the match-data.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://lore.kernel.org/r/20210114152700.21916-2-muhammad.husaini.zulkifli@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:46 +01:00
Renius Chen edee82f79b mmc: sdhci-pci-gli: Enlarge ASPM L1 entry delay of GL9763E
GL9763E enters ASPM L1 state after a very short idle in default,
even during a burst of request. So the R/W performance of GL9763E
is low with some platforms, which support ASPM mechanism, due to
entering ASPM L1 state very frequently in R/W process. Set the L1
entry delay bits in vendor-specific register to 0x3FF to enlarge
the idle period to 260us for improving the R/W performance
of GL9763E.

Signed-off-by: Renius Chen <reniuschengl@gmail.com>
Link: https://lore.kernel.org/r/20210115054736.27769-1-reniuschengl@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:46 +01:00
Faiz Abbas 754b7f2f7d mmc: sdhci_am654: Add Support for TI's AM64 SoC
Add support for the controller present on the AM64x SoC.

There are instances:
sdhci0: 8bit bus width, max 400 MBps
sdhci1: 4bit bus width, max 100 MBps

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20210113115908.3882-3-a-govindraju@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:45 +01:00
Ricky Wu 12b1c5edc3 mmc: rtsx: add delay before power on
To make sure voltage is below 0.5V before power on during a power cycle,
add a delay of at least 100ms. The delays in the mmc core is not sufficient
for the rtsx pci device.

Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20210113105723.7916-1-ricky_wu@realtek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:45 +01:00
Samuel Holland 3882917da8 mmc: sunxi-mmc: Ensure host is suspended during system sleep
If the device suspend process begins before the mmc host's autosuspend
timeout, the host will continue running during system sleep. Avoid
this by forcing runtime suspend during a global suspend transition.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20210113052421.36553-1-samuel@sholland.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:45 +01:00
Marcin Wojtas 7214d79237 mmc: xenon: add AP807 compatible string
This patch adds new compatible string to differentiate
between the controllers versions included in the AP807
north bridge. Thanks to this change, the SoCs which use
AP807 will not run unintentionally in the 'slow mode'
with disabled UHS modes.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Link: https://lore.kernel.org/r/20210112094655.12274-3-kostap@marvell.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:45 +01:00
Muhammad Husaini Zulkifli db84509359 mmc: sdhci-of-arasan: Change code style of mapping the syscon field
Change code style of mapping the syscon in sdhci_arasan_update_support64b()
for readability and consistency.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210111155001.12307-3-muhammad.husaini.zulkifli@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:44 +01:00
Muhammad Husaini Zulkifli 973c7c994b mmc: sdhci-of-arasan: Fixed kernel-doc format warning
Commit 36c6aadaae ("mmc: sdhci-of-arasan: Add support for Intel Keem Bay")
introduces syscon map sdhci_arasan_update_support64b(). Unfortunately,
kernel-doc format script tool has not been run before and causing warning
on the documentation style.

Below is the output when running the kernel-doc script tool:
drivers/mmc/host/sdhci-of-arasan.c:1388: warning: contents before sections

Let's fix this by using standard conventions kernel-doc format.

Fixes: 36c6aadaae ("mmc: sdhci-of-arasan: Add support for Intel Keem Bay")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210111155001.12307-2-muhammad.husaini.zulkifli@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:44 +01:00
Renius Chen 15f908fafc mmc: sdhci-pci-gli: Add a switch to enable/disable CQHCI support
Add a vendor-specific bit named GLI_9763E_MB_ERP_ON at the bit7 of
register 888h to decide whether to enhance random R/W performance
of GL9763E. CQHCI support will be enabled if and only if the bit is
set and the GLI_9763E_MB_CMQ_OFF bit is not set.

Signed-off-by: Renius Chen <reniuschengl@gmail.com>
Link: https://lore.kernel.org/r/20210106085332.5494-1-reniuschengl@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:44 +01:00
Ricky Wu 8b2805647a mmc: rtsx: Add MMC_CAP2_NO_SDIO flag
Added flag MMC_CAP2_NO_SDIO to mmc->caps2
Card Reader not support SDIO

Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20201230090401.12627-2-ricky_wu@realtek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:44 +01:00
H. Nikolaus Schaller c7129b703f mmc: jz4740: remove unused struct component card_detect_irq
I have not found any user for this struct component.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/415ea1cb85eedc12f0c2f70da9a1ae3885bdd091.1608714110.git.hns@goldelico.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2021-02-01 11:54:44 +01:00