[PATCH 5.10 063/135] mmc: meson-gx: fix deferred probing

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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sergey Shtylyov <s.shtylyov@xxxxxx>

[ Upstream commit b8ada54fa1b83f3b6480d4cced71354301750153 ]

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 ce753ad1549c ("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: cbcaac6d7dd2 ("mmc: meson-gx-mmc: Fix platform_get_irq's error checking")
Cc: stable@xxxxxxxxxxxxxxx # v5.19+
Signed-off-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230617203622.6812-3-s.shtylyov@xxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/mmc/host/meson-gx-mmc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 8a345ee2e6cf5..1992eea8b777e 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1159,8 +1159,8 @@ static int meson_mmc_probe(struct platform_device *pdev)
 		return PTR_ERR(host->regs);
 
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq <= 0)
-		return -EINVAL;
+	if (host->irq < 0)
+		return host->irq;
 
 	host->pinctrl = devm_pinctrl_get(&pdev->dev);
 	if (IS_ERR(host->pinctrl))
-- 
2.40.1






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