| Message ID | 20170803220001.GA7282@embeddedgus |
|---|---|
| State | New |
| Headers | show |
On Fri, Aug 4, 2017 at 12:00 AM, Gustavo A. R. Silva <gustavo@embeddedor.com> wrote: > platform_get_irq() returns an error code, but the gpio-msic driver > ignores it and always returns -EINVAL. This is not correct, and > prevents -EPROBE_DEFER from being propagated properly. > > Notice that platform_get_irq() no longer returns 0 on error: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af > > Print and propagate the return value of platform_get_irq on failure. > > Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Patch applied. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c index 1b7ce7f..6cb6759 100644 --- a/drivers/gpio/gpio-msic.c +++ b/drivers/gpio/gpio-msic.c @@ -265,8 +265,8 @@ static int platform_msic_gpio_probe(struct platform_device *pdev) int i; if (irq < 0) { - dev_err(dev, "no IRQ line\n"); - return -EINVAL; + dev_err(dev, "no IRQ line: %d\n", irq); + return irq; } if (!pdata || !pdata->gpio_base) {
platform_get_irq() returns an error code, but the gpio-msic driver ignores it and always returns -EINVAL. This is not correct, and prevents -EPROBE_DEFER from being propagated properly. Notice that platform_get_irq() no longer returns 0 on error: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af Print and propagate the return value of platform_get_irq on failure. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> --- drivers/gpio/gpio-msic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)