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As of commit bb475230b8e5 ("reset: make optional functions really
optional"), the reset framework API calls use NULL pointers to describe
optional, non-present reset controls.
This allows to return errors from devm_reset_control_get_optional and to
call reset_control_(de)assert unconditionally.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20210305090827.19124-1-p.zabel@pengutronix.de
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The host->cqe_enabled is already containing the needed information about
whether the CQE is enabled or not, hence there is no need to keep another
copy of it around.
Signed-off-by: Luca Porzio <lporzio@micron.com>
Signed-off-by: Zhan Liu <zliua@micron.com>
Link: https://lore.kernel.org/r/20210215003217.GA12240@lupo-laptop
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Returning zero to indicate success, when we actually have failed to probe
is wrong. As a matter of fact, it leads to that mmc_blk_remove() gets
called at a card removal and then triggers "NULL pointer dereference"
splats. This is because mmc_blk_remove() relies on data structures and
pointers to be setup from mmc_blk_probe(), of course.
There have been no errors reported about this, which is most likely because
mmc_blk_probe() never fails like this. Nevertheless, let's fix the code by
propagating the error codes correctly and prevent us from leaking memory by
calling also destroy_workqueue() in the error path.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210303122049.151986-4-ulf.hansson@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To simplify the code, move the logging into the common mmc_blk_alloc_req()
and drop the rather useless information about the partition type/id.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210303122049.151986-3-ulf.hansson@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
mmc_blk_probe() isn't a hotpath, which makes it's questionable to use
unlikely(). Therefore let's simply drop it.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210303122049.151986-2-ulf.hansson@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Populate the new member for custom mask values to make sure this value
is applied whenever needed. Also, rename the define holding the value
because this is not only about initialization anymore.
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/20210304092903.8534-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
For data read commands, SDHC may initiate data transfers even before it
completely process the command response. In case command itself fails,
driver un-maps the memory associated with data transfer but this memory
can still be accessed by SDHC for the already initiated data transfer.
This scenario can lead to un-mapped memory access error.
To avoid this scenario, reset SDHC (when command fails) prior to
un-mapping memory. Resetting SDHC ensures that all in-flight data
transfers are either aborted or completed. So we don't run into this
scenario.
Swap the reset, un-map steps sequence in sdhci_request_done().
Suggested-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Signed-off-by: Pradeep P V K <pragalla@codeaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1614760331-43499-1-git-send-email-pragalla@qti.qualcomm.com
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
It's odd to adopt different error handling on failure of
pci_read_config_dword(). Check the return value and terminate
execution flow on failure of all pci_read_config_dword() calls
in this function.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20210226084146.29095-1-dinghao.liu@zju.edu.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Short circuit protection mechanism of GL9755 is disabled by HW default
setting. Enable short circuit protection to prevent GL9755 from being
damaged by short circuit or over current.
Signed-off-by: Renius Chen <reniuschengl@gmail.com>
Link: https://lore.kernel.org/r/20210225111307.62975-1-reniuschengl@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When imx_data->pinctrl is not a valid pointer, pinctrl_lookup_state
will trigger kernel panic.
When we boot Dual OS on Jailhouse hypervisor, we let the 1st Linux to
configure pinmux ready for the 2nd OS, so the 2nd OS not have pinctrl
settings.
Similar to this commit b62eee9f804e ("mmc: sdhci-esdhc-imx: no fail when no pinctrl available").
Reviewed-by: Bough Chen <haobo.chen@nxp.com>
Reviewed-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/1614222604-27066-6-git-send-email-peng.fan@oss.nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
SDHI Gen2+ has a different value for TMIO_MASK_ALL, so add a member to
support that. If the member is not used, the previous default value is
applied.
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/20210223100830.25125-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Some of SD cards sets permanent write protection bit in their CSD register,
due to lifespan or internal problem. To avoid unnecessary I/O write
operations, let's parse the bits in the CSD during initialization and mark
the card as read only for this case.
Signed-off-by: Seunghui Lee <sh043.lee@samsung.com>
Link: https://lore.kernel.org/r/20210222083156.19158-1-sh043.lee@samsung.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A 'tmio_mmc_host_free()' call is missing in the remove function, in order
to balance a 'tmio_mmc_host_alloc()' call in the probe.
This is done in the error handling path of the probe, but not in the remove
function.
Add the missing call.
Fixes: 3fd784f745dd ("mmc: uniphier-sd: add UniPhier SD/eMMC controller driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20210220142953.918608-1-christophe.jaillet@wanadoo.fr
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A 'uniphier_sd_clk_enable()' call should be balanced by a corresponding
'uniphier_sd_clk_disable()' call.
This is done in the remove function, but not in the error handling path of
the probe.
Add the missing call.
Fixes: 3fd784f745dd ("mmc: uniphier-sd: add UniPhier SD/eMMC controller driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20210220142935.918554-1-christophe.jaillet@wanadoo.fr
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
RPM handling has been improved twice since this comment, and also SCC
handling has been improved a lot. All the testing we did (Geert's and
Niklas' and Wolfram's board farms) with the workaround removed did not
lead to problems, so it is time to get rid of it to the best of our
knowledge.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/20210218110224.6910-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
mmc_spi_send_{csd|cid} have similar function body. Let's remove the
duplicated part to simplify the code, just add opcode to distinguish
them in changed mmc_spi_send_cxd().
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210215015116.1355-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The ->card_event callback isn't being used by any of the dw_mmc variants.
It's likely a leftover from an earlier change, hence let's just drop the
redundant call to it.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
When the mmc_rescan work is enabled for execution (host->rescan_disable),
it's the only instance per mmc host that is allowed to set/clear the
host->bus_ops pointer.
Besides the mmc_rescan work, there are a couple of scenarios when the
host->bus_ops pointer may be accessed. Typically, those can be described as
as below:
*)
Upper mmc driver layers (like the mmc block device driver or an SDIO
functional driver) needs to execute a host->bus_ops callback. This can be
considered as safe without having to use some special locking mechanism,
because they operate on top of the struct mmc_card. As long as there is a
card to operate upon, the mmc core guarantees that there is a host->bus_ops
assigned as well. Note that, upper layer mmc drivers are of course
responsible to clean up from themselves from their ->remove() callbacks,
otherwise things would fall apart anyways.
**)
Via the mmc host instance, we may need to force a removal of an inserted
mmc card. This happens when a mmc host driver gets unbind, for example. In
this case, we protect the host->bus_ops pointer from concurrent accesses,
by disabling the mmc_rescan work upfront (host->rescan_disable). See
mmc_stop_host() for example.
This said, it seems like the reference counting of the host->bus_ops
pointer at some point have become superfluous. As this is an old mechanism
of the mmc core, it a bit difficult to digest the history of when that
could have happened. However, let's drop the reference counting to avoid
unnecessary code-paths and lockings.
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210212131610.236843-1-ulf.hansson@linaro.org
The mmc_hw|sw_reset() APIs are designed to be called solely from upper
layers, which means drivers that operates on top of the struct mmc_card,
like the mmc block device driver and an SDIO functional driver.
Additionally, as long as the struct mmc_host has a valid pointer to a
struct mmc_card, the corresponding host->bus_ops pointer stays valid and
assigned.
For these reasons, let's drop the superfluous reference counting and the
redundant validations in mmc_hw|sw_reset().
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210212131532.236775-1-ulf.hansson@linaro.org
A CMD11 is sent to the SD/SDIO card to start the voltage switch procedure
into 1.8V I/O. According to the SD spec a power cycle is needed of the
card, if it turns out that the CMD11 fails. Let's fix this, to allow a
retry of the initialization without the voltage switch, to succeed.
Note that, whether it makes sense to also retry with the voltage switch
after the power cycle is a bit more difficult to know. At this point, we
treat it like the CMD11 isn't supported and therefore we skip it when
retrying.
Signed-off-by: DooHyun Hwang <dh0421.hwang@samsung.com>
Link: https://lore.kernel.org/r/20210210045936.7809-1-dh0421.hwang@samsung.com
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use resource-managed OPP API to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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: 94fe2580a2f3 ("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>
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
- 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
- Add support for eMMC inline encryption
- Add a helper function to parse DT properties for clock phases
- Some improvements and cleanups for the mmc_test module
MMC host:
- android-goldfish: Remove driver
- cqhci: Add support for eMMC inline encryption
- dw_mmc-zx: Remove driver
- meson-gx: Extend support for scatter-gather to allow SD_IO_RW_EXTENDED
- mmci: Add support for probing bus voltage level translator
- mtk-sd: Address race condition for request timeouts
- sdhci_am654: Add Support for the variant on TI's AM64 SoC
- sdhci-esdhc-imx: Prevent kernel panic at ->remove()
- sdhci-iproc: Add ACPI bindings for the RPi to enable SD and WiFi on RPi4
- sdhci-msm: Add Inline Crypto Engine support
- sdhci-msm: Use actual_clock to improve timeout calculations
- sdhci-of-aspeed: Add Andrew Jeffery as maintainer
- sdhci-of-aspeed: Extend clock support for the AST2600 variant
- sdhci-pci-gli: Increase idle period for low power state for GL9763E
- sdhci-pci-o2micro: Make tuning for SDR104 HW more robust
- sdhci-sirf: Remove driver
- sdhci-xenon: Add support for the AP807 variant
- sunxi-mmc: Add support for the A100 variant
- sunxi-mmc: Ensure host is suspended during system sleep
- tmio: Add detection of data timeout errors
- tmio/renesas_sdhi: Extend support for retuning
- renesas_sdhi_internal_dmac: Add support for the ->pre|post_req() ops
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Merge tag 'mmc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for eMMC inline encryption
- Add a helper function to parse DT properties for clock phases
- Some improvements and cleanups for the mmc_test module
MMC host:
- android-goldfish: Remove driver
- cqhci: Add support for eMMC inline encryption
- dw_mmc-zx: Remove driver
- meson-gx: Extend support for scatter-gather to allow SD_IO_RW_EXTENDED
- mmci: Add support for probing bus voltage level translator
- mtk-sd: Address race condition for request timeouts
- sdhci_am654: Add Support for the variant on TI's AM64 SoC
- sdhci-esdhc-imx: Prevent kernel panic at ->remove()
- sdhci-iproc: Add ACPI bindings for the RPi to enable SD and WiFi on RPi4
- sdhci-msm: Add Inline Crypto Engine support
- sdhci-msm: Use actual_clock to improve timeout calculations
- sdhci-of-aspeed: Add Andrew Jeffery as maintainer
- sdhci-of-aspeed: Extend clock support for the AST2600 variant
- sdhci-pci-gli: Increase idle period for low power state for GL9763E
- sdhci-pci-o2micro: Make tuning for SDR104 HW more robust
- sdhci-sirf: Remove driver
- sdhci-xenon: Add support for the AP807 variant
- sunxi-mmc: Add support for the A100 variant
- sunxi-mmc: Ensure host is suspended during system sleep
- tmio: Add detection of data timeout errors
- tmio/renesas_sdhi: Extend support for retuning
- renesas_sdhi_internal_dmac: Add support for the ->pre|post_req() ops"
* tag 'mmc-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (86 commits)
mmc: sdhci-esdhc-imx: fix kernel panic when remove module
mmc: host: Retire MMC_GOLDFISH
mmc: cb710: Use new tasklet API
mmc: sdhci-pci-o2micro: Bug fix for SDR104 HW tuning failure
mmc: mmc_test: use erase_arg for mmc_erase command
mmc: wbsd: Use new tasklet API
mmc: via-sdmmc: Use new tasklet API
mmc: uniphier-sd: Use new tasklet API
mmc: tifm_sd: Use new tasklet API
mmc: s3cmci: Use new tasklet API
mmc: omap: Use new tasklet API
mmc: dw_mmc: Use new tasklet API
mmc: au1xmmc: Use new tasklet API
mmc: atmel-mci: Use new tasklet API
mmc: cavium: Replace spin_lock_irqsave with spin_lock in hard IRQ
mmc: queue: Remove unused define
mmc: core: Drop redundant bouncesz from struct mmc_card
mmc: core: Drop redundant member in struct mmc host
mmc: core: Use host instead of card argument to mmc_spi_send_csd()
mmc: core: Exclude unnecessary header file
...
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Merge tag 'for-5.12/block-2021-02-17' of git://git.kernel.dk/linux-block
Pull core block updates from Jens Axboe:
"Another nice round of removing more code than what is added, mostly
due to Christoph's relentless pursuit of tech debt removal/cleanups.
This pull request contains:
- Two series of BFQ improvements (Paolo, Jan, Jia)
- Block iov_iter improvements (Pavel)
- bsg error path fix (Pan)
- blk-mq scheduler improvements (Jan)
- -EBUSY discard fix (Jan)
- bvec allocation improvements (Ming, Christoph)
- bio allocation and init improvements (Christoph)
- Store bdev pointer in bio instead of gendisk + partno (Christoph)
- Block trace point cleanups (Christoph)
- hard read-only vs read-only split (Christoph)
- Block based swap cleanups (Christoph)
- Zoned write granularity support (Damien)
- Various fixes/tweaks (Chunguang, Guoqing, Lei, Lukas, Huhai)"
* tag 'for-5.12/block-2021-02-17' of git://git.kernel.dk/linux-block: (104 commits)
mm: simplify swapdev_block
sd_zbc: clear zone resources for non-zoned case
block: introduce blk_queue_clear_zone_settings()
zonefs: use zone write granularity as block size
block: introduce zone_write_granularity limit
block: use blk_queue_set_zoned in add_partition()
nullb: use blk_queue_set_zoned() to setup zoned devices
nvme: cleanup zone information initialization
block: document zone_append_max_bytes attribute
block: use bi_max_vecs to find the bvec pool
md/raid10: remove dead code in reshape_request
block: mark the bio as cloned in bio_iov_bvec_set
block: set BIO_NO_PAGE_REF in bio_iov_bvec_set
block: remove a layer of indentation in bio_iov_iter_get_pages
block: turn the nr_iovecs argument to bio_alloc* into an unsigned short
block: remove the 1 and 4 vec bvec_slabs entries
block: streamline bvec_alloc
block: factor out a bvec_alloc_gfp helper
block: move struct biovec_slab to bio.c
block: reuse BIO_INLINE_VECS for integrity bvecs
...
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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
Since [1], the erase argument for mmc_erase() function is saved in
erase_arg field of card structure. It is preferable to use it instead of
hard-coded MMC_SECURE_ERASE_ARG, which from eMMC 4.51 spec is not
recommended:
"6.6.16 Secure Erase
NOTE Secure Erase is included for backwards compatibility. New system
level implementations (based on v4.51 devices and beyond) should use
Erase combined with Sanitize instead of secure erase."
On STM32MP157C-EV1 board, embedding a THGBMDG5D1LBAIL eMMC, using
MMC_ERASE command with MMC_SECURE_ERASE_ARG may stuck the STM32 SDMMC IP,
if test 37 or test 38 are launched just after a write test, e.g. test 36.
Using the default MMC_ERASE argument from framework with erase_arg,
which default in our case to MMC_DISCARD_ARG does no more trig the
issue.
[1] commit 01904ff77676 ("mmc: core: Calculate the discard arg only once")
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210209145214.10518-1-yann.gautier@foss.st.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
This converts the driver to use the new tasklet API introduced in
commit 12cc923f1ccc ("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>
MMC_CQE_QUEUE_FULL is not set and is only cleared.
Therefore, define is unnecessary.
Signed-off-by: ChanWoo Lee <cw9316.lee@samsung.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20210203072014.30272-1-cw9316.lee@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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>
From the 4.19 kernel, thread related code has been removed in queue.c.
So we can exclude unnecessary header file.
Signed-off-by: ChanWoo Lee <cw9316.lee@samsung.com>
Acked-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20210125064355.28545-1-cw9316.lee@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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>
