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mmc: sunxi: fix deferred probing

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[ Upstream commit c2df53c580 ]

The driver overrides the error codes and IRQ0 returned by platform_get_irq()
to -EINVAL, so if it returns -EPROBE_DEFER, the driver will fail the probe
permanently instead of the deferred probing. Switch to propagating the error
codes upstream.  Since commit ce753ad154 ("platform: finally disallow IRQ0
in platform_get_irq() and its ilk") IRQ0 is no longer returned by those APIs,
so we now can safely ignore it...

Fixes: 2408a08583 ("mmc: sunxi-mmc: Handle return value of platform_get_irq")
Cc: stable@vger.kernel.org # v5.19+
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20230617203622.6812-12-s.shtylyov@omp.ru
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sergey Shtylyov 2023-06-17 23:36:21 +03:00 • committed by Justin Hammond
parent 684e34880b
commit e58258f655
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/host/sunxi-mmc.c
View file

@ -1341,8 +1341,8 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
return ret;
host->irq = platform_get_irq(pdev, 0);
if (host->irq <= 0) {
ret = -EINVAL;
if (host->irq < 0) {
ret = host->irq;
goto error_disable_mmc;
}