Re: [PATCH] mmc: sh_mmcif: Use platform_get_irq_optional() for optional interrupt

From: Ulf Hansson
Date: Thu Oct 03 2019 - 06:02:18 EST


On Tue, 1 Oct 2019 at 20:08, Geert Uytterhoeven <geert+renesas@xxxxxxxxx> wrote:
>
> As platform_get_irq() now prints an error when the interrupt does not
> exist, a scary warning may be printed for an optional interrupt:
>
> sh_mmcif ee200000.mmc: IRQ index 1 not found
>
> Fix this by calling platform_get_irq_optional() instead for the second
> interrupt, which is optional.
>
> Remove the now superfluous error printing for the first interrupt, which
> is mandatory.
>
> Fixes: 7723f4c5ecdb8d83 ("driver core: platform: Add an error message to platform_get_irq*()")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Applied for fixes, thanks!

Kind regards
Uffe


> ---
> This is a fix for v5.4-rc1.
> ---
> drivers/mmc/host/sh_mmcif.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
> index 81bd9afb0980525e..98c575de43c755ed 100644
> --- a/drivers/mmc/host/sh_mmcif.c
> +++ b/drivers/mmc/host/sh_mmcif.c
> @@ -1393,11 +1393,9 @@ static int sh_mmcif_probe(struct platform_device *pdev)
> const char *name;
>
> irq[0] = platform_get_irq(pdev, 0);
> - irq[1] = platform_get_irq(pdev, 1);
> - if (irq[0] < 0) {
> - dev_err(dev, "Get irq error\n");
> + irq[1] = platform_get_irq_optional(pdev, 1);
> + if (irq[0] < 0)
> return -ENXIO;
> - }
>
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> reg = devm_ioremap_resource(dev, res);
> --
> 2.17.1
>