2020-07-16 14:54:23

by Nicolas Saenz Julienne

[permalink] [raw]
Subject: [PATCH] drm/v3d: Use platform_get_irq_optional() to get optional IRQs

Aside from being more correct, the non optional version of the function
prints an error when failing to find the IRQ.

Fixes: eea9b97b4504 ("drm/v3d: Add support for V3D v4.2")
Signed-off-by: Nicolas Saenz Julienne <[email protected]>
---
drivers/gpu/drm/v3d/v3d_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
index c88686489b88..0be2eb7876be 100644
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -217,7 +217,7 @@ v3d_irq_init(struct v3d_dev *v3d)
V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS);

- irq1 = platform_get_irq(v3d_to_pdev(v3d), 1);
+ irq1 = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
if (irq1 == -EPROBE_DEFER)
return irq1;
if (irq1 > 0) {
--
2.27.0


2020-07-17 16:55:00

by Eric Anholt

[permalink] [raw]
Subject: Re: [PATCH] drm/v3d: Use platform_get_irq_optional() to get optional IRQs

On Thu, Jul 16, 2020 at 7:51 AM Nicolas Saenz Julienne
<[email protected]> wrote:
>
> Aside from being more correct, the non optional version of the function
> prints an error when failing to find the IRQ.
>
> Fixes: eea9b97b4504 ("drm/v3d: Add support for V3D v4.2")
> Signed-off-by: Nicolas Saenz Julienne <[email protected]>
> ---
> drivers/gpu/drm/v3d/v3d_irq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
> index c88686489b88..0be2eb7876be 100644
> --- a/drivers/gpu/drm/v3d/v3d_irq.c
> +++ b/drivers/gpu/drm/v3d/v3d_irq.c
> @@ -217,7 +217,7 @@ v3d_irq_init(struct v3d_dev *v3d)
> V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
> V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS);
>
> - irq1 = platform_get_irq(v3d_to_pdev(v3d), 1);
> + irq1 = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
> if (irq1 == -EPROBE_DEFER)
> return irq1;
> if (irq1 > 0) {
> --

Reviewed-by: Eric Anholt <[email protected]>