no_llseek had been defined to NULL two years ago, in commit 868941b144
("fs: remove no_llseek")
To quote that commit,
At -rc1 we'll need do a mechanical removal of no_llseek -
git grep -l -w no_llseek | grep -v porting.rst | while read i; do
sed -i '/\<no_llseek\>/d' $i
done
would do it.
Unfortunately, that hadn't been done. Linus, could you do that now, so
that we could finally put that thing to rest? All instances are of the
form
.llseek = no_llseek,
so it's obviously safe.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- support DMA zones for arm64 systems where memory starts at > 4GB
(Baruch Siach, Catalin Marinas)
- support direct calls into dma-iommu and thus obsolete dma_map_ops for
many common configurations (Leon Romanovsky)
- add DMA-API tracing (Sean Anderson)
- remove the not very useful return value from various dma_set_* APIs
(Christoph Hellwig)
- misc cleanups and minor optimizations (Chen Y, Yosry Ahmed,
Christoph Hellwig)
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Merge tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- support DMA zones for arm64 systems where memory starts at > 4GB
(Baruch Siach, Catalin Marinas)
- support direct calls into dma-iommu and thus obsolete dma_map_ops for
many common configurations (Leon Romanovsky)
- add DMA-API tracing (Sean Anderson)
- remove the not very useful return value from various dma_set_* APIs
(Christoph Hellwig)
- misc cleanups and minor optimizations (Chen Y, Yosry Ahmed, Christoph
Hellwig)
* tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: reflow dma_supported
dma-mapping: reliably inform about DMA support for IOMMU
dma-mapping: add tracing for dma-mapping API calls
dma-mapping: use IOMMU DMA calls for common alloc/free page calls
dma-direct: optimize page freeing when it is not addressable
dma-mapping: clearly mark DMA ops as an architecture feature
vdpa_sim: don't select DMA_OPS
arm64: mm: keep low RAM dma zone
dma-mapping: don't return errors from dma_set_max_seg_size
dma-mapping: don't return errors from dma_set_seg_boundary
dma-mapping: don't return errors from dma_set_min_align_mask
scsi: check that busses support the DMA API before setting dma parameters
arm64: mm: fix DMA zone when dma-ranges is missing
dma-mapping: direct calls for dma-iommu
dma-mapping: call ->unmap_page and ->unmap_sg unconditionally
arm64: support DMA zone above 4GB
dma-mapping: replace zone_dma_bits by zone_dma_limit
dma-mapping: use bit masking to check VM_DMA_COHERENT
In case vmmc or vqmmc regulator is not available yet, use dev_err_probe
in order to set a deferred probe reason. This is a helpful hint in
/sys/kernel/debug/devices_deferred
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240911090910.3060749-1-alexander.stein@ew.tq-group.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add debug prints to tuning algorithm for debugging.
Also add error print if we fail tuning.
Signed-off-by: Judith Mendez <jm@ti.com>
Link: https://lore.kernel.org/r/20240904232512.830778-3-jm@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add retry tuning up to 10 times if we fail to find
a failing region or no passing itapdly. This is
necessary since some eMMC has been observed to never
find a failing itapdly on the first couple of tuning
iterations, but eventually does. Keep count of current
tuning iteration using tuning_loop. It has been observed
that the tuning algorithm does not need to loop more
than 10 times before finding a failing itapdly.
Signed-off-by: Judith Mendez <jm@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240904232512.830778-2-jm@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Prevent build error when CONFIG_RPMB=m and CONFIG_MMC_BLOCK=y by adding
a dependency to CONFIG_RPMB for CONFIG_MMC_BLOCK block so the RPMB
subsystem always is reachable if configured. This means that
CONFIG_MMC_BLOCK automatically becomes compiled as a module if
CONFIG_RPMB is compiled as a module. If CONFIG_RPMB isn't configured or
is configured as built-in, CONFIG_MMC_BLOCK will remain unchanged.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202409021448.RSvcBPzt-lkp@intel.com/
Fixes: 7852028a35 ("mmc: block: register RPMB partition with the RPMB subsystem")
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240902151231.3705204-1-jens.wiklander@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The UNSTUFF_BITS macro, which is defined in both drivers/mmc/core/mmc.c
and drivers/mmc/core/sd.c, has been converted to an inline function to
improve readability, maintainability, and type safety.
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240902123331.3566447-1-avri.altman@wdc.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
simple_strtoul() is obsolete and lacks proper error handling, making it
unsafe for converting strings to unsigned long values. Replace it with
kstrtoul(), which provides robust error checking and better safety.
This change improves the reliability of the string-to-integer conversion
and aligns with current kernel coding standards. Error handling is added
to catch conversion failures, returning -EINVAL when input is invalid.
Issue reported by checkpatch:
- WARNING: simple_strtoul is obsolete, use kstrtoul instead
Signed-off-by: Riyan Dhiman <riyandhiman14@gmail.com>
Link: https://lore.kernel.org/r/20240901182244.45543-1-riyandhiman14@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Calculate the size from pointer instead of
struct to adhere to linux kernel coding style.
Issue reported by checkpatch.
This commit has no functional changes.
Signed-off-by: Riyan Dhiman <riyandhiman14@gmail.com>
Link: https://lore.kernel.org/r/20240901173309.7124-1-riyandhiman14@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Make use of cqhci_halted() in couple places to avoid open-coding.
Signed-off-by: Seunghwan Baek <sh8267.baek@samsung.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240829061823.3718-3-sh8267.baek@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.11-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.12.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
To check if mmc cqe is in halt state, need to check set/clear of CQHCI_HALT
bit. At this time, we need to check with &, not &&.
Fixes: a4080225f5 ("mmc: cqhci: support for command queue enabled host")
Cc: stable@vger.kernel.org
Signed-off-by: Seunghwan Baek <sh8267.baek@samsung.com>
Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240829061823.3718-2-sh8267.baek@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Replace with already defined values for readability. While at it, let's
also change the mode-parameter from an int to bool, as the only used values
are 0 or 1.
Signed-off-by: Chanwoo Lee <cw9316.lee@samsung.com>
Link: https://lore.kernel.org/r/20240829024709.402285-1-cw9316.lee@samsung.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
On rk3576 the tunable clocks are inside the controller itself, removing
the need for the "ciu-drive" and "ciu-sample" clocks.
That makes it a new type of controller that has its own dt_parse function.
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/010201919997044d-c3a008d1-afbc-462f-a928-fc1ece785bdb-000000@eu-west-1.amazonses.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Some Rockchip devices put the phase settings into the dw_mmc controller.
When the feature is present, the ciu-drive and ciu-sample clocks are
not used and the phase configuration is done directly through the mmc
controller.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Acked-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/010201919996fdae-8a9f843e-00a8-4131-98bf-a9da4ed04bfd-000000@eu-west-1.amazonses.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A NULL dev->dma_parms indicates either a bus that is not DMA capable or
grave bug in the implementation of the bus code.
There isn't much the driver can do in terms of error handling for either
case, so just warn and continue as DMA operations will fail anyway.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Merge the mmc fixes for v6.11-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.12.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Commit 616f876617 ("mmc: pass queue_limits to blk_mq_alloc_disk") [1]
revealed the long living issue in dw_mmc.c driver, existing since the
time when it was first introduced in commit f95f3850f7 ("mmc: dw_mmc:
Add Synopsys DesignWare mmc host driver."), also making kernel boot
broken on platforms using dw_mmc driver with 16K or 64K pages enabled,
with this message in dmesg:
mmcblk: probe of mmc0:0001 failed with error -22
That's happening because mmc_blk_probe() fails when it calls
blk_validate_limits() consequently, which returns the error due to
failed max_segment_size check in this code:
/*
* The maximum segment size has an odd historic 64k default that
* drivers probably should override. Just like the I/O size we
* require drivers to at least handle a full page per segment.
*/
...
if (WARN_ON_ONCE(lim->max_segment_size < PAGE_SIZE))
return -EINVAL;
In case when IDMAC (Internal DMA Controller) is used, dw_mmc.c always
sets .max_seg_size to 4 KiB:
mmc->max_seg_size = 0x1000;
The comment in the code above explains why it's incorrect. Arnd
suggested setting .max_seg_size to .max_req_size to fix it, which is
also what some other drivers are doing:
$ grep -rl 'max_seg_size.*=.*max_req_size' drivers/mmc/host/ | \
wc -l
18
This change is not only fixing the boot with 16K/64K pages, but also
leads to a better MMC performance. The linear write performance was
tested on E850-96 board (eMMC only), before commit [1] (where it's
possible to boot with 16K/64K pages without this fix, to be able to do
a comparison). It was tested with this command:
# dd if=/dev/zero of=somefile bs=1M count=500 oflag=sync
Test results are as follows:
- 4K pages, .max_seg_size = 4 KiB: 94.2 MB/s
- 4K pages, .max_seg_size = .max_req_size = 512 KiB: 96.9 MB/s
- 16K pages, .max_seg_size = 4 KiB: 126 MB/s
- 16K pages, .max_seg_size = .max_req_size = 2 MiB: 128 MB/s
- 64K pages, .max_seg_size = 4 KiB: 138 MB/s
- 64K pages, .max_seg_size = .max_req_size = 8 MiB: 138 MB/s
Unfortunately, SD card controller is not enabled in E850-96 yet, so it
wasn't possible for me to run the test on some cheap SD cards to check
this patch's impact on those. But it's possible that this change might
also reduce the writes count, thus improving SD/eMMC longevity.
All credit for the analysis and the suggested solution goes to Arnd.
[1] https://lore.kernel.org/all/20240215070300.2200308-18-hch@lst.de/
Fixes: f95f3850f7 ("mmc: dw_mmc: Add Synopsys DesignWare mmc host driver.")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Closes: https://lore.kernel.org/all/CA+G9fYtddf2Fd3be+YShHP6CmSDNcn0ptW8qg+stUKW+Cn0rjQ@mail.gmail.com/
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240306232052.21317-1-semen.protsenko@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The eMMC RST_N register is implemented as secure register on
the BlueField-3 SoC and controlled by TF-A. This commit adds the
hw_reset() support which sends an SMC call to TF-A for the eMMC
HW reset.
Reviewed-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: Liming Sun <limings@nvidia.com>
Link: https://lore.kernel.org/r/20240827164016.237617-1-limings@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Liao Chen <liaochen4@huawei.com>
Acked-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Fixes: bb7b8ec62d ("mmc: sdhci-of-aspeed: Add support for the ASPEED SD controller")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240826124851.379759-1-liaochen4@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Register eMMC RPMB partition with the RPMB subsystem and provide
an implementation for the RPMB access operations abstracting
the actual multi step process.
Add a callback to extract the needed device information at registration
to avoid accessing the struct mmc_card at a later stage as we're not
holding a reference counter for this struct.
Taking the needed reference to md->disk in mmc_blk_alloc_rpmb_part()
instead of in mmc_rpmb_chrdev_open(). This is needed by the
route_frames() function pointer in struct rpmb_ops.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Tested-by: Manuel Traut <manut@mecka.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20240814153558.708365-3-jens.wiklander@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.11-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.12.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Applying MMC_QUIRK_BROKEN_SD_CACHE is broken, as the card's SD quirks are
referenced in sd_parse_ext_reg_perf() prior to the quirks being initialized
in mmc_blk_probe().
To fix this problem, let's split out an SD-specific list of quirks and
apply in mmc_sd_init_card() instead. In this way, sd_read_ext_regs() to has
the available information for not assigning the SD_EXT_PERF_CACHE as one of
the (un)supported features, which in turn allows mmc_sd_init_card() to
properly skip execution of sd_enable_cache().
Fixes: c467c8f081 ("mmc: Add MMC_QUIRK_BROKEN_SD_CACHE for Kingston Canvas Go Plus from 11/2019")
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
Co-developed-by: Keita Aihara <keita.aihara@sony.com>
Signed-off-by: Keita Aihara <keita.aihara@sony.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240820230631.GA436523@sony.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The local variable clk_ns uses at most 32 bits and can be a u32.
Replace the 64-by-32 do_div() division with a standard divison.
Since do_div() casts the divisor to u32 anyway, changing the data type
of clk_ns to u32 also removes the following Coccinelle/coccicheck
warning reported by do_div.cocci:
WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead
Use min_t(u32,,) to simplify the code and improve its readability.
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Link: https://lore.kernel.org/r/20240818142300.64156-2-thorsten.blum@toblux.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for the mmc controller of Sophgo SG2042.
SG2042 uses Synopsys PHY the same as TH1520 so we reuse the tuning
logic from TH1520. Besides this, this patch implement some SG2042
specific work, such as clocks and reset ops.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/eb21847528a6487af54bb80f1ce94adff289cdb0.1722847198.git.unicorn_wang@outlook.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Abstract dwcmshc_pltfm_data to hold the sdhci_pltfm_data
plus some comoon operations of soc such as init/postinit.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Tested-by: Drew Fustini <drew@pdp7.com> # TH1520
Tested-by: Inochi Amaoto <inochiama@outlook.com> # Duo and Huashan Pi
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/cb2c68c594286e9588c53acb76163e60c140c02b.1722847198.git.unicorn_wang@outlook.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Different socs have initialization operations in
the probe process, which are summarized as functions.
This patch first factor out init function for th1520.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Reviewed-by: Drew Fustini <drew@pdp7.com>
Tested-by: Drew Fustini <drew@pdp7.com> # TH1520
Tested-by: Inochi Amaoto <inochiama@outlook.com> # Duo and Huashan Pi
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/23c6a81052a6dd3660d60348731229d60a209b32.1722847198.git.unicorn_wang@outlook.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This patch just move dwcmshc_rk35xx_init() and
dwcmshc_rk35xx_postinit() to put the functions
of rk35xx together as much as possible.
This change is an intermediate process before
further modification.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Tested-by: Drew Fustini <drew@pdp7.com> # TH1520
Tested-by: Inochi Amaoto <inochiama@outlook.com> # Duo and Huashan Pi
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/54204702d5febd3e867eb3544c36919fe4140a88.1722847198.git.unicorn_wang@outlook.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
In addition to the required core clock and optional
bus clock, the soc will expand its own clocks, so
the bulk clock mechanism is abstracted.
Note, I call the bulk clocks as "other clocks" due
to the bus clock has been called as "optional".
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Tested-by: Drew Fustini <drew@pdp7.com> # TH1520
Tested-by: Inochi Amaoto <inochiama@outlook.com> # Duo and Huashan Pi
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/e57e8c51da81f176b49608269a884f840903e78e.1722847198.git.unicorn_wang@outlook.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The SD/MMC block on the RZ/V2H(P) ("R9A09G057") SoC is similar to that
of the R-Car Gen3, but it has some differences:
- HS400 is not supported.
- It has additional SD_STATUS register to control voltage,
power enable and reset.
- It supports fixed address mode.
To accommodate these differences, a SoC-specific 'renesas,sdhi-r9a09g057'
compatible string is added.
Note for RZ/V2H(P), we are using the `of_rzg2l_compatible` OF data as it
already handles no HS400 and fixed address mode support. Since the SDxIOVS
and SDxPWEN pins can always be used as GPIO pins on the RZ/V2H(P) SoC, no
driver changes are done to control the SD_STATUS register.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20240724182119.652080-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add the SDHCI driver for the MA35D1 platform. It is based upon the
SDHCI interface, but requires some extra initialization.
Signed-off-by: Shan-Chun Hung <shanchun1218@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240716004527.20378-3-shanchun1218@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
If the "test->highmem = alloc_pages()" allocation fails then calling
__free_pages(test->highmem) will result in a NULL dereference. Also
change the error code to -ENOMEM instead of returning success.
Fixes: 2661081f5a ("mmc_test: highmem tests")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/8c90be28-67b4-4b0d-a105-034dc72a0b31@stanley.mountain
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Fix a race condition if the clock provider comes up after mmc is probed,
this causes mmc to fail without retrying.
When given the DEFER error from the clk source, pass it on up the chain.
Fixes: f90a0612f0 ("mmc: dw_mmc: lookup for optional biu and ciu clocks")
Signed-off-by: Ben Whitten <ben.whitten@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240811212212.123255-1-ben.whitten@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
When we use cmd8 as the tuning command in hs400 mode, the command
response sent back by some eMMC devices cannot be correctly sampled
by MTK eMMC controller at some weak sample timing. In this case,
command timeout error may occur. So we must receive the following
data to make sure the next cmd8 send correctly.
Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.com>
Fixes: c4ac38c653 ("mmc: mtk-sd: Add HS400 online tuning support")
Cc: stable@vger.stable.com
Link: https://lore.kernel.org/r/20240716013704.10578-1-mengqi.zhang@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Here is the big set of driver core changes for 6.11-rc1.
Lots of stuff in here, with not a huge diffstat, but apis are evolving
which required lots of files to be touched. Highlights of the changes
in here are:
- platform remove callback api final fixups (Uwe took many releases to
get here, finally!)
- Rust bindings for basic firmware apis and initial driver-core
interactions. It's not all that useful for a "write a whole driver
in rust" type of thing, but the firmware bindings do help out the
phy rust drivers, and the driver core bindings give a solid base on
which others can start their work. There is still a long way to go
here before we have a multitude of rust drivers being added, but
it's a great first step.
- driver core const api changes. This reached across all bus types,
and there are some fix-ups for some not-common bus types that
linux-next and 0-day testing shook out. This work is being done to
help make the rust bindings more safe, as well as the C code, moving
toward the end-goal of allowing us to put driver structures into
read-only memory. We aren't there yet, but are getting closer.
- minor devres cleanups and fixes found by code inspection
- arch_topology minor changes
- other minor driver core cleanups
All of these have been in linux-next for a very long time with no
reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the big set of driver core changes for 6.11-rc1.
Lots of stuff in here, with not a huge diffstat, but apis are evolving
which required lots of files to be touched. Highlights of the changes
in here are:
- platform remove callback api final fixups (Uwe took many releases
to get here, finally!)
- Rust bindings for basic firmware apis and initial driver-core
interactions.
It's not all that useful for a "write a whole driver in rust" type
of thing, but the firmware bindings do help out the phy rust
drivers, and the driver core bindings give a solid base on which
others can start their work.
There is still a long way to go here before we have a multitude of
rust drivers being added, but it's a great first step.
- driver core const api changes.
This reached across all bus types, and there are some fix-ups for
some not-common bus types that linux-next and 0-day testing shook
out.
This work is being done to help make the rust bindings more safe,
as well as the C code, moving toward the end-goal of allowing us to
put driver structures into read-only memory. We aren't there yet,
but are getting closer.
- minor devres cleanups and fixes found by code inspection
- arch_topology minor changes
- other minor driver core cleanups
All of these have been in linux-next for a very long time with no
reported problems"
* tag 'driver-core-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (55 commits)
ARM: sa1100: make match function take a const pointer
sysfs/cpu: Make crash_hotplug attribute world-readable
dio: Have dio_bus_match() callback take a const *
zorro: make match function take a const pointer
driver core: module: make module_[add|remove]_driver take a const *
driver core: make driver_find_device() take a const *
driver core: make driver_[create|remove]_file take a const *
firmware_loader: fix soundness issue in `request_internal`
firmware_loader: annotate doctests as `no_run`
devres: Correct code style for functions that return a pointer type
devres: Initialize an uninitialized struct member
devres: Fix memory leakage caused by driver API devm_free_percpu()
devres: Fix devm_krealloc() wasting memory
driver core: platform: Switch to use kmemdup_array()
driver core: have match() callback in struct bus_type take a const *
MAINTAINERS: add Rust device abstractions to DRIVER CORE
device: rust: improve safety comments
MAINTAINERS: add Danilo as FIRMWARE LOADER maintainer
MAINTAINERS: add Rust FW abstractions to FIRMWARE LOADER
firmware: rust: improve safety comments
...
- Add support for ROHM BD96801 Power Management IC
- Add support for Cirrus Logic CS40L50 Haptic Driver with Waveform Memory
- Add support for Marvell 88PM886 Power Management IC
- New Device Support
- Add support for Keyboard Backlight to ChromeOS Embedded Controller
- Add support for LEDs to ChromeOS Embedded Controller
- Add support for Charge Control to ChromeOS Embedded Controller
- Add support for the HW Monitoring Service to ChromeOS Embedded Controller
- Add support for AUXADCs to MediaTek MT635{7,8,9} Power Management ICs
- New Functionality
- Allow Syscon consumers to supply their own Regmaps on registration
- Fix-ups
- Constify/staticise applicable data structures
- Remove superfluous/duplicated/unused sections
- Device Tree binding adaptions/conversions/creation
- Trivial; spelling, whitespace, coding-style adaptions
- Utilise centrally provided helpers and macros to aid simplicity/duplication
- Drop i2c_device_id::driver_data where the value is unused
- Replace ACPI/DT firmware helpers with agnostic variants
- Move over to GPIOD (descriptor-based) APIs
- Annotate a bunch of __counted_by() cases
- Straighten out some includes
- Bug Fixes
- Ensure potentially asserted recent lines are deasserted during initialisation
- Avoid "<module>.ko is added to multiple modules" warnings
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Fix Wvoid-pointer-to-enum-cast warnings
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Merge tag 'mfd-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- ROHM BD96801 Power Management IC
- Cirrus Logic CS40L50 Haptic Driver with Waveform Memory
- Marvell 88PM886 Power Management IC
New Device Support:
- Keyboard Backlight to ChromeOS Embedded Controller
- LEDs to ChromeOS Embedded Controller
- Charge Control to ChromeOS Embedded Controller
- HW Monitoring Service to ChromeOS Embedded Controller
- AUXADCs to MediaTek MT635{7,8,9} Power Management ICs
New Functionality:
- Allow Syscon consumers to supply their own Regmaps on registration
Fix-ups:
- Constify/staticise applicable data structures
- Remove superfluous/duplicated/unused sections
- Device Tree binding adaptions/conversions/creation
- Trivial; spelling, whitespace, coding-style adaptions
- Utilise centrally provided helpers and macros to aid
simplicity/duplication
- Drop i2c_device_id::driver_data where the value is unused
- Replace ACPI/DT firmware helpers with agnostic variants
- Move over to GPIOD (descriptor-based) APIs
- Annotate a bunch of __counted_by() cases
- Straighten out some includes
Bug Fixes:
- Ensure potentially asserted recent lines are deasserted during
initialisation
- Avoid "<module>.ko is added to multiple modules" warnings
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Fix Wvoid-pointer-to-enum-cast warnings"
* tag 'mfd-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (87 commits)
mfd: timberdale: Attach device properties to TSC2007 board info
mfd: tmio: Move header to platform_data
mfd: tmio: Sanitize comments
mfd: tmio: Update include files
mmc: tmio/sdhi: Fix includes
mfd: tmio: Remove obsolete io accessors
mfd: tmio: Remove obsolete platform_data
watchdog: bd96801_wdt: Add missing include for FIELD_*()
dt-bindings: mfd: syscon: Add APM poweroff mailbox
dt-bindings: mfd: syscon: Split and enforce documenting MFD children
dt-bindings: mfd: rk817: Merge support for RK809
dt-bindings: mfd: rk817: Fixup clocks and reference dai-common
dt-bindings: mfd: syscon: Add TI's opp table compatible
mfd: omap-usb-tll: Use struct_size to allocate tll
dt-bindings: mfd: Explain lack of child dependency in simple-mfd
dt-bindings: mfd: Dual licensing for st,stpmic1 bindings
mfd: omap-usb-tll: Annotate struct usbtll_omap with __counted_by
mfd: tps6594-core: Remove unneeded semicolon in tps6594_check_crc_mode()
mfd: lm3533: Move to new GPIO descriptor-based APIs
mfd: tps65912: Use devm helper functions to simplify probe
...
- Convert from using tasklet to the BH workqueue
- dw_mmc-bluefield: Add support for eMMC HW reset
- mmc_spi: Allow spi controllers incapable of lower than 400kHz
- sdhci: Rework code to eliminate SDHCI_QUIRK_UNSTABLE_RO_DETECT
- sdhci-brcmstb: Add support for the BCM2712 variant
- sdhci-esdhc-imx: Disable card-detect as system wakeup on S32G platforms
- sdhci-msm: Add support for the SDX75 variant
- sdhci-of-dwcmshc: Enable CQE support for some Rockchip variants
- sdhci-of-esdhc: Convert DT-bindings to yaml
- sdhci-sprd: Convert DT-bindings to yaml
MEMSTICK:
- rtsx_pci_ms: Remove the unused Realtek PCI memstick driver
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Merge tag 'mmc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC host:
- Convert from using tasklet to the BH workqueue
- dw_mmc-bluefield: Add support for eMMC HW reset
- mmc_spi: Allow spi controllers incapable of lower than 400kHz
- sdhci: Rework code to eliminate SDHCI_QUIRK_UNSTABLE_RO_DETECT
- sdhci-brcmstb: Add support for the BCM2712 variant
- sdhci-esdhc-imx: Disable card-detect as system wakeup on S32G platforms
- sdhci-msm: Add support for the SDX75 variant
- sdhci-of-dwcmshc: Enable CQE support for some Rockchip variants
- sdhci-of-esdhc: Convert DT-bindings to yaml
- sdhci-sprd: Convert DT-bindings to yaml
MEMSTICK:
- rtsx_pci_ms: Remove the unused Realtek PCI memstick driver"
* tag 'mmc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (26 commits)
MAINTAINERS: add 's32@nxp.com' as relevant mailing list for 'sdhci-esdhc-imx' driver
mmc: sdhci-esdhc-imx: obtain the 'per' clock rate after its enablement
mmc: sdhci-esdhc-imx: disable card detect wake for S32G based platforms
dt-bindings: mmc: sdhci-sprd: convert to YAML
mmc: davinci_mmc: report all possible bus widths
mmc: dw_mmc-bluefield: Add support for eMMC HW reset
mmc: dw_mmc: Add support for platform specific eMMC HW reset
mmc: sdhci_am654: Constify struct regmap_config
mmc: Convert from tasklet to BH workqueue
mmc: sdhi: Convert from tasklet to BH workqueue
mmc: mmc_spi: allow for spi controllers incapable of getting as low as 400k
memstick: rtsx_pci_ms: Remove Realtek PCI memstick driver
MAINTAINERS: drop entry for VIA SD/MMC controller
mmc: tmio: Remove obsolete .set_pwr() callback()
mfd: tmio: Remove obsolete .set_clk_div() callback
mmc: sdhci-brcmstb: Add ARCH_BCM2835 option
mmc: sdhci: Eliminate SDHCI_QUIRK_UNSTABLE_RO_DETECT
dt-bindings: mmc: Convert fsl-esdhc.txt to yaml
dt-bindings: mmc: mmc-spi-slot: Change voltage-ranges to uint32-matrix
mmc: add missing MODULE_DESCRIPTION() macros
...
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Merge tag 'for-6.11/block-20240710' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- NVMe updates via Keith:
- Device initialization memory leak fixes (Keith)
- More constants defined (Weiwen)
- Target debugfs support (Hannes)
- PCIe subsystem reset enhancements (Keith)
- Queue-depth multipath policy (Redhat and PureStorage)
- Implement get_unique_id (Christoph)
- Authentication error fixes (Gaosheng)
- MD updates via Song
- sync_action fix and refactoring (Yu Kuai)
- Various small fixes (Christoph Hellwig, Li Nan, and Ofir Gal, Yu
Kuai, Benjamin Marzinski, Christophe JAILLET, Yang Li)
- Fix loop detach/open race (Gulam)
- Fix lower control limit for blk-throttle (Yu)
- Add module descriptions to various drivers (Jeff)
- Add support for atomic writes for block devices, and statx reporting
for same. Includes SCSI and NVMe (John, Prasad, Alan)
- Add IO priority information to block trace points (Dongliang)
- Various zone improvements and tweaks (Damien)
- mq-deadline tag reservation improvements (Bart)
- Ignore direct reclaim swap writes in writeback throttling (Baokun)
- Block integrity improvements and fixes (Anuj)
- Add basic support for rust based block drivers. Has a dummy null_blk
variant for now (Andreas)
- Series converting driver settings to queue limits, and cleanups and
fixes related to that (Christoph)
- Cleanup for poking too deeply into the bvec internals, in preparation
for DMA mapping API changes (Christoph)
- Various minor tweaks and fixes (Jiapeng, John, Kanchan, Mikulas,
Ming, Zhu, Damien, Christophe, Chaitanya)
* tag 'for-6.11/block-20240710' of git://git.kernel.dk/linux: (206 commits)
floppy: add missing MODULE_DESCRIPTION() macro
loop: add missing MODULE_DESCRIPTION() macro
ublk_drv: add missing MODULE_DESCRIPTION() macro
xen/blkback: add missing MODULE_DESCRIPTION() macro
block/rnbd: Constify struct kobj_type
block: take offset into account in blk_bvec_map_sg again
block: fix get_max_segment_size() warning
loop: Don't bother validating blocksize
virtio_blk: Don't bother validating blocksize
null_blk: Don't bother validating blocksize
block: Validate logical block size in blk_validate_limits()
virtio_blk: Fix default logical block size fallback
nvmet-auth: fix nvmet_auth hash error handling
nvme: implement ->get_unique_id
block: pass a phys_addr_t to get_max_segment_size
block: add a bvec_phys helper
blk-lib: check for kill signal in ioctl BLKZEROOUT
block: limit the Write Zeroes to manually writing zeroes fallback
block: refacto blkdev_issue_zeroout
block: move read-only and supported checks into (__)blkdev_issue_zeroout
...
The I.MX SDHCI driver assumes that the frequency of the 'per' clock
can be obtained even on disabled clocks, which is not always the case.
According to 'clk_get_rate' documentation, it is only valid
once the clock source has been enabled.
Signed-off-by: Ciprian Costea <ciprianmarian.costea@oss.nxp.com>
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240708121018.246476-3-ciprianmarian.costea@oss.nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
In case of S32G based platforms, GPIO CD used for card detect
wake mechanism is not available.
For this scenario the newly introduced flag
'ESDHC_FLAG_SKIP_CD_WAKE' is used.
Signed-off-by: Ciprian Costea <ciprianmarian.costea@oss.nxp.com>
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240708121018.246476-2-ciprianmarian.costea@oss.nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
A dev_info() at probe's end() report the supported bus width. It never
reports 8-bits width while the driver can handle it.
Update the info message at then end of the probe to report the use of
8-bits data when needed.
Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Link: https://lore.kernel.org/r/20240711081838.47256-3-bastien.curutchet@bootlin.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.10-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.11.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
No check is done on the size of the data to be transmiited. This causes
a kernel panic when this size exceeds the sg_miter's length.
Limit the number of transmitted bytes to sgm->length.
Cc: stable@vger.kernel.org
Fixes: ed01d210fd ("mmc: davinci_mmc: Use sg_miter for PIO")
Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Link: https://lore.kernel.org/r/20240711081838.47256-2-bastien.curutchet@bootlin.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
blk_queue_max_segment_size() ensured:
if (max_size < PAGE_SIZE)
max_size = PAGE_SIZE;
whereas:
blk_validate_limits() makes it an error:
if (WARN_ON_ONCE(lim->max_segment_size < PAGE_SIZE))
return -EINVAL;
The change from one to the other, exposed sdhci which was setting maximum
segment size too low in some circumstances.
Fix the maximum segment size when it is too low.
Fixes: 616f876617 ("mmc: pass queue_limits to blk_mq_alloc_disk")
Cc: stable@vger.kernel.org
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240710180737.142504-1-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
All the MFD components are gone from the header meanwhile. Only the MMC
relevant data is left which makes it a platform_data for the MMC
controller. Move the header to the now fitting directory.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240213220221.2380-14-wsa+renesas@sang-engineering.com
Signed-off-by: Lee Jones <lee@kernel.org>
The eMMC RST_N register is implemented as secure register on the BlueField
SoC and controlled by TF-A. This commit sends an SMC call to TF-A for the
eMMC HW reset.
Reviewed-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: Liming Sun <limings@nvidia.com>
Link: https://lore.kernel.org/r/2c459196c6867e325f9386ec0559efea464cfdd6.1718213918.git.limings@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
