Merge the mmc fixes for v6.18-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.19.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Commit 27e8fe0da3 ("mmc: sdhci-of-dwcmshc: Prevent stale command
interrupt handling") clears pending interrupts when resetting
host->pending_reset to ensure no pending stale interrupts after
sdhci_threaded_irq restores interrupts. But this fix is only added for
th1520 platforms, in fact per my test, this issue exists on all
dwcmshc users, such as cv1800b, sg2002, and synaptics platforms.
So promote the above reset handling from th1520 to ip level. And keep
reset handling on rk, sg2042 and bf3 as is, until it's confirmed that
the same issue exists on these platforms too.
Fixes: 017199c284 ("mmc: sdhci-of-dwcmshc: Add support for Sophgo CV1800B and SG2002")
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to the hardware programming guide, the clock frequency must
remain below 52MHz during the transition to HS400 mode.
However,in the current implementation, the timing is set to HS400 (a
DDR mode) before adjusting the clock. This causes the clock to double
prematurely to 104MHz during the transition phase, violating the
specification and potentially resulting in CRC errors or CMD timeouts.
This change ensures that clock doubling is avoided during intermediate
transitions and is applied only when the card requires a 200MHz clock
for HS400 operation.
Signed-off-by: Sarthak Garg <sarthak.garg@oss.qualcomm.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Shawn offered to help with the Synposys Designware MMC/SD/SDIO drivers,
let's add him as a co-maintainer.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Shawn Lin <shawn.lin@rock-chips.com> > Signed-off-by: Ulf
When I added command queue engine (CQE) support for the Rockchip eMMC
controller, I missed that RK3576 has a separate platform data struct.
While things are working fine on RK3588 (I tested the ROCK 5B) and
the suspend issue is fixed on the RK3576 (I tested the Sige5), this
results in stability issues. By also adding the necessary hooks for
the RK3576 platform the following problems can be avoided:
[ 15.606895] mmc0: running CQE recovery
[ 15.616189] mmc0: running CQE recovery
[...]
[ 25.911484] mmc0: running CQE recovery
[ 25.926305] mmc0: running CQE recovery
[ 25.927468] mmc0: running CQE recovery
[...]
[ 26.255719] mmc0: running CQE recovery
[ 26.257162] ------------[ cut here ]------------
[ 26.257581] mmc0: cqhci: spurious TCN for tag 31
[ 26.258034] WARNING: CPU: 0 PID: 0 at drivers/mmc/host/cqhci-core.c:796 cqhci_irq+0x440/0x68c
[ 26.263786] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.18.0-rc6-gd984ebbf0d15 #1 PREEMPT
[ 26.264561] Hardware name: ArmSoM Sige5 (DT)
[...]
[ 26.272748] Call trace:
[ 26.272964] cqhci_irq+0x440/0x68c (P)
[ 26.273296] dwcmshc_cqe_irq_handler+0x54/0x88
[ 26.273689] sdhci_irq+0xbc/0x1200
[ 26.273991] __handle_irq_event_percpu+0x54/0x1d0
[...]
Note that the above problems do not necessarily happen with every boot.
Reported-by: Adrian Hunter <adrian.hunter@intel.com>
Closes: https://lore.kernel.org/linux-rockchip/01949bc9-4873-498b-ac7d-f008393ccc4c@intel.com/
Fixes: fda1e0af7c ("mmc: sdhci-of-dwcmshc: Add command queue support for rockchip SOCs")
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add suspend/resume hooks which assert/deassert the reset signals, along
with forcing runtime suspend/resume. This allows using the driver in
scenarios where the resume is done with the help of bootloader and the
bootloader disables the SDHI clocks, resets, IRQs before passing execution
to Linux.
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
SET_SYSTEM_SLEEP_PM_OPS() and SET_RUNTIME_PM_OPS() require __maybe_unused
or #ifdefs protection against unused function warnings. The usage of
pm_ptr() and SYSTEM_SLEEP_PM_OPS()/RUNTIME_PM_OPS() allows the compiler to
see the functions, thus suppressing the warning. Drop the #ifdefs.
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Deassert the reset signal of the SDHI controller during probe to avoid
relying on the previous bootloaders. Without deasserting the reset signal,
the SDHI controller will not function.
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Common boolean properties need to be only allowed in the binding
(":true"), because their type is already defined by core DT schema.
Simplify dma-coherent property to match common syntax.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The meson-mx-sdio (and mmc core) only support one MMC/SD/SDIO slot
(device) per host. Thus having multiple mmc-slot nodes (one for the up
to three supported slots with one device each on the meson-mx-sdio
hardware) can be problematic.
Allow specifying all slots (with their respective device) connected to
the meson-mx-sdio hardware in device-tree, while making sure that only
the enabled one(s) are actually considered by the driver.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Keep the second line with arguments for dma_unmap_sg() aligned.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This streamlines probe error handling / logging with other drivers.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use new function devm_mmc_alloc_host() to simplify the code.
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use modern common clock framework helpers for simplifying the clock
controller management:
- switch to struct clk_hw for internal clocks and only get the
"cfg_div_clk" (which has to be managed at runtime) as struct clk
using devm_clk_hw_get_clk() which is then the only clock used by
struct meson_mx_mmc_host.
- use CLK_HW_INIT_FW_NAME and CLK_HW_INIT_HW helper macros for simpler
init data initialization
- keep the clock controller memory allocation separate to prevent a
potential use-after-free because struct meson_mx_mmc_host_clkc is
free'd before controller_dev
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This simplifies the code. No functional changes intended.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Switch the driver over to use regmap to access the registers. This makes
it consistent with the other Amlogic MMC drivers. No functional changes
intended.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Currently if a user enqueues a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistency cannot be addressed without refactoring the API.
alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue flag in:
commit 128ea9f6cc ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566 ("workqueue: Add new WQ_PERCPU flag")
This change adds a new WQ_PERCPU flag to explicitly request
alloc_workqueue() to be per-cpu when WQ_UNBOUND has not been specified.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Per design recommendations, the memory clock can be gated when there
is no in-flight transfer, which helps save power. This feature is
introduced alongside internal phase support, and this patch enables it.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.18-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.19.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Currently if a user enqueues a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistency cannot be addressed without refactoring the API.
alloc_workqueue() treats all queues as per-CPU by default, while unbound
workqueues must opt-in via WQ_UNBOUND.
This default is suboptimal: most workloads benefit from unbound queues,
allowing the scheduler to place worker threads where they’re needed and
reducing noise when CPUs are isolated.
This continues the effort to refactor workqueue APIs, which began with
the introduction of new workqueues and a new alloc_workqueue flag in:
commit 128ea9f6cc ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566 ("workqueue: Add new WQ_PERCPU flag")
This change adds a new WQ_PERCPU flag to explicitly request
alloc_workqueue() to be per-cpu when WQ_UNBOUND has not been specified.
With the introduction of the WQ_PERCPU flag (equivalent to !WQ_UNBOUND),
any alloc_workqueue() caller that doesn’t explicitly specify WQ_UNBOUND
must now use WQ_PERCPU.
Once migration is complete, WQ_UNBOUND can be removed and unbound will
become the implicit default.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Currently if a user enqueues a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.
This lack of consistency cannot be addressed without refactoring the API.
This patch continues the effort to refactor worqueue APIs, which has begun
with the change introducing new workqueues and a new alloc_workqueue flag:
commit 128ea9f6cc ("workqueue: Add system_percpu_wq and system_dfl_wq")
commit 930c2ea566 ("workqueue: Add new WQ_PERCPU flag")
Replace system_wq with system_percpu_wq, keeping the same old behavior.
The old wq (system_wq) will be kept for a few release cycles.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
ciu clock is 2 times of io clock, but the sample clk used is
derived from io clock provided to the card. So we should use
io clock to calculate the phase.
Fixes: 59903441f5 ("mmc: dw_mmc-rockchip: Add internal phase support")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This adds CQE support for the Rockchip RK3588 and RK3576 platform. To
be functional, the eMMC device-tree node must have a 'supports-cqe;'
flag property.
As the RK3576 device-tree has been upstreamed with the 'supports-cqe;'
property set by default, the kernel already tried to use CQE, which
results in system hang during suspend. This fixes the issue.
Co-developed-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This patch refactors pxamci_probe() to use devm-managed resource
allocation (e.g. devm_dma_request_chan) and dev_err_probe() for
improved readability and automatic cleanup on probe failure.
It also removes redundant NULL assignments and manual resource release
logic from pxamci_probe(), and eliminates the corresponding release
calls from pxamci_remove().
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202510041841.pRlunIfl-lkp@intel.com/
Fixes: 58c40f3faf ("mmc: pxamci: Use devm_mmc_alloc_host() helper")
Suggested-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Rakuram Eswaran <rakuram.e96@gmail.com>
Reviewed-by: Khalid Aziz <khalid@kernel.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Add support for the mmc controller in the Eswin EIC7700 with the new
compatible "eswin,eic7700-dwcmshc". Implement custom sdhci_ops for
set_clock, reset, set_uhs_signaling, platform_execute_tuning.
Signed-off-by: Huan He <hehuan1@eswincomputing.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
EIC7700 use Synopsys dwcmshc IP for SD/eMMC controllers.
Add Eswin EIC7700 support in sdhci-of-dwcmshc.yaml.
Signed-off-by: Huan He <hehuan1@eswincomputing.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Let's avoid updating the SD current limit when the maximum power is 200mA
(0.72W) or less, as this is already the default value for the SD card. In
this way we avoid sending an unnecessary command during initialization.
Signed-off-by: Avri Altman <avri.altman@sandisk.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.18-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.19.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
strbin signal delay under 0x8 configuration is not stable after massive
test. The recommandation of it should be 0x4.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Tested-by: Alexey Charkov <alchark@gmail.com>
Tested-by: Hugh Cole-Baker <sigmaris@gmail.com>
Fixes: 08f3dff799 ("mmc: sdhci-of-dwcmshc: add rockchip platform support")
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The dw-mshc controller in the RK3506 is compatible to the one first found
in the RK3288 SoC, so add the RK3506 to the variant list.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.18-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.19.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
An error code was assigned to a variable and checked accordingly.
This value was passed to a dev_err_probe() call in an if branch.
This function is documented in the way that the same value is returned.
Thus delete a redundant variable reassignment.
The source code was transformed by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Use dma_set_mask_and_coherent() instead. No functional changes.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Added support to save and restore registers that are critical
during PM.
Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Added "brcm,bcm74371-sdhci" compatibility to the controller driver.
Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Clear SDIO_1_CFG_OP_DLY register when using HS200 mode to be
compliant with timing spec. We only need this for on BCM72116
SoCs.
Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Moving SDIO_CFG_CQ_CAPABILITY register defines to be in sorted order for
better readability.
Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Updating compatibility to support BCM72116 and BCM74371 SD host controller
similar to other settop SoCs.
Signed-off-by: Kamal Dasu <kamal.dasu@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Document the compatible string for the SDHCI controller on the
sm8750 platform.
Signed-off-by: Sarthak Garg <sarthak.garg@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
As stated in Documentation/dev-tools/checkpatch.rst, octal file
permissions are preferred over symbolic constants because they are
easier to read and understand. Replace symbolic permissions with
their octal equivalents.
Signed-off-by: Pedro Demarchi Gomes <pedrodemargomes@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Document the compatible string for the SDHCI controller on the
Kaanapali platform.
Signed-off-by: Manish Pandey <manish.pandey@oss.qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
R-Car Gen2 SoCs have a 32 bit dataport, V3M even 64 bit. Make use of
the bigger size in the rare case DMA is failing.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
mmc_sd_num_wr_blocks() is in the block error path.
It needs to use GFP_NOIO. There is no need to complicate
anything here.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Enabling compile testing should not enable every individual driver (we
have "allyesconfig" for that).
Fixes: 7cd8db0fb0 ("mmc: add COMPILE_TEST to multiple drivers")
Cc: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
have correct lost idle time accounting
- Stop the deadline server task before a CPU goes offline
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Merge tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Make sure the check for lost pelt idle time is done unconditionally
to have correct lost idle time accounting
- Stop the deadline server task before a CPU goes offline
* tag 'sched_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix pelt lost idle time detection
sched/deadline: Stop dl_server before CPU goes offline
- Move the uprobe optimization to a better location logically
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Merge tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Make sure perf reporting works correctly in setups using
overlayfs or FUSE
- Move the uprobe optimization to a better location logically
* tag 'perf_urgent_for_v6.18_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix MMAP2 event device with backing files
perf/core: Fix MMAP event path names with backing files
perf/core: Fix address filter match with backing files
uprobe: Move arch_uprobe_optimize right after handlers execution
