This is a note to let you know that I've just added the patch titled
mmc: tmio: support custom irq masks
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mmc-tmio-support-custom-irq-masks.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f36312e1b5b5e33db9e91c89fa27d836c75ab33b
Author: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Date: Tue Feb 23 11:08:29 2021 +0100
mmc: tmio: support custom irq masks
[ Upstream commit 0d856c4c68c639f96cb12c26aaeb906353b9a76e ]
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@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210223100830.25125-2-wsa+renesas@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Stable-dep-of: 74f45de394d9 ("mmc: renesas_sdhi: register irqs before registering controller")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 9546e542619cb..d6ed5e1f8386e 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -161,6 +161,7 @@ struct tmio_mmc_host {
u32 sdio_irq_mask;
unsigned int clk_cache;
u32 sdcard_irq_setbit_mask;
+ u32 sdcard_irq_mask_all;
spinlock_t lock; /* protect host private data */
unsigned long last_req_ts;
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index ac4e7874a3f13..abf36acb2641f 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -1158,7 +1158,9 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
tmio_mmc_reset(_host);
_host->sdcard_irq_mask = sd_ctrl_read16_and_16_as_32(_host, CTL_IRQ_MASK);
- tmio_mmc_disable_mmc_irqs(_host, TMIO_MASK_ALL);
+ if (!_host->sdcard_irq_mask_all)
+ _host->sdcard_irq_mask_all = TMIO_MASK_ALL;
+ tmio_mmc_disable_mmc_irqs(_host, _host->sdcard_irq_mask_all);
if (_host->native_hotplug)
tmio_mmc_enable_mmc_irqs(_host,
@@ -1212,7 +1214,7 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host)
cancel_work_sync(&host->done);
cancel_delayed_work_sync(&host->delayed_reset_work);
tmio_mmc_release_dma(host);
- tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_ALL);
+ tmio_mmc_disable_mmc_irqs(host, host->sdcard_irq_mask_all);
if (host->native_hotplug)
pm_runtime_put_noidle(&pdev->dev);
@@ -1242,7 +1244,7 @@ int tmio_mmc_host_runtime_suspend(struct device *dev)
{
struct tmio_mmc_host *host = dev_get_drvdata(dev);
- tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_ALL);
+ tmio_mmc_disable_mmc_irqs(host, host->sdcard_irq_mask_all);
if (host->clk_cache)
host->set_clock(host, 0);
