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i2c: s3c2410: fix IRQ check

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[ Upstream commit d6840a5e370b7ea4fde16ce2caf431bcc87f9a75 ]

Iff platform_get_irq() returns 0, the driver's probe() method will return 0
early (as if the method's call was successful).  Let's consider IRQ0 valid
for simplicity -- devm_request_irq() can always override that decision...

Fixes: e0d1ec9785 ("i2c-s3c2410: Change IRQ to be plain integer.")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sergey Shtylyov 2021-07-04 17:45:25 +03:00 • committed by Greg Kroah-Hartman
commit 4be8deab6f
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-s3c2410.c
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@ -1141,7 +1141,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
*/
if (!(i2c->quirks & QUIRK_POLL)) {
i2c->irq = ret = platform_get_irq(pdev, 0);
if (ret <= 0) {
if (ret < 0) {
dev_err(&pdev->dev, "cannot find IRQ\n");
clk_unprepare(i2c->clk);
return ret;