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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Since mmc_send_cxd_data() does not care card if opcode is MMC_SEND_CSD.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210201055507.542-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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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>
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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>
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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 df4ec2fa7a4d
("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>
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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 1bc726e26ef3 ("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>
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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>
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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>
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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>
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In preparation for adding CQHCI crypto engine (inline encryption)
support, add the code required to make mmc_core and mmc_block aware of
inline encryption. Specifically:
- Add a capability flag MMC_CAP2_CRYPTO to struct mmc_host. Drivers
will set this if the host and driver support inline encryption.
- Embed a blk_keyslot_manager in struct mmc_host. Drivers will
initialize this (as a device-managed resource) if the host and driver
support inline encryption. mmc_block registers this keyslot manager
with the request_queue of any MMC card attached to the host.
- Make mmc_block copy the crypto keyslot and crypto data unit number
from struct request to struct mmc_request, so that drivers will have
access to them.
- If the MMC host is reset, reprogram all the keyslots to ensure that
the software state stays in sync with the hardware state.
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/20210126001456.382989-2-ebiggers@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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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>
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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>
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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>
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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>
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mmc_test_cleanup() has same body as __mmc_test_prepare() with write
except the character to memset().
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210119073705.375-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Since it's doing nothing for shutdown behavior. And the callback will
be checked firstly in mmc_bus_shutdown().
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210119051425.305-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The host parameter is not used in the body of mmc_sd_get_csd(),
so let's remove it. Update related code at the same time.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210118084520.241-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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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>
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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>
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Drivers for MMC hosts that accept phase corrections can take advantage
of the helper by embedding an instance of struct mmc_clk_phase_map in
their private data and invoking mmc_of_parse_clk_phase() to extract
phase parameters. It is the responsibility of the host driver to
translate and apply the extracted values to hardware as required.
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210114031433.2388532-2-andrew@aj.id.au
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201216131737.14883-1-zhengyongjun3@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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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>
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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>
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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>
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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>
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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>
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Note that only _mmc_suspend() will call mmc_can_sleep(). And card is
checked before in mmc_can_poweroff_notify().
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210115034506.646-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Since they will always being in successful path to return 0 directly,
no need to set err = 0.
Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210113113431.522-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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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>
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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>
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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>
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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>
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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>
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Commit 36c6aadaae86 ("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: 36c6aadaae86 ("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>
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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>
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