diff options
| author | Eric Anholt <eric@anholt.net> | 2019-03-08 09:43:35 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-31 06:45:23 -0700 |
| commit | 12948cbc0fd72ea07fd1c5f2e73301596028aa14 (patch) | |
| tree | 22ccba804387ce961ec665190a354b796e5978cf | |
| parent | 1576011d31310263e97d83fc240756ead871c7ab (diff) | |
drm/v3d: Handle errors from IRQ setup.
[ Upstream commit fc22771547e7e8a63679f0218e943d72b107de65 ]
Noted in review by Dave Emett for V3D 4.2 support.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308174336.7866-1-eric@anholt.net
Reviewed-by: Dave Emett <david.emett@broadcom.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_irq.c | 13 |
3 files changed, 18 insertions, 5 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index f0afcec72c34..30ae1c74edaa 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -312,14 +312,18 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) if (ret) goto dev_destroy; - v3d_irq_init(v3d); + ret = v3d_irq_init(v3d); + if (ret) + goto gem_destroy; ret = drm_dev_register(drm, 0); if (ret) - goto gem_destroy; + goto irq_disable; return 0; +irq_disable: + v3d_irq_disable(v3d); gem_destroy: v3d_gem_destroy(drm); dev_destroy: diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index dcb772a19191..f2937a1da581 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -311,7 +311,7 @@ void v3d_invalidate_caches(struct v3d_dev *v3d); void v3d_flush_caches(struct v3d_dev *v3d); /* v3d_irq.c */ -void v3d_irq_init(struct v3d_dev *v3d); +int v3d_irq_init(struct v3d_dev *v3d); void v3d_irq_enable(struct v3d_dev *v3d); void v3d_irq_disable(struct v3d_dev *v3d); void v3d_irq_reset(struct v3d_dev *v3d); diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c index 69338da70ddc..29d746cfce57 100644 --- a/drivers/gpu/drm/v3d/v3d_irq.c +++ b/drivers/gpu/drm/v3d/v3d_irq.c @@ -156,7 +156,7 @@ v3d_hub_irq(int irq, void *arg) return status; } -void +int v3d_irq_init(struct v3d_dev *v3d) { int ret, core; @@ -173,13 +173,22 @@ v3d_irq_init(struct v3d_dev *v3d) ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0), v3d_hub_irq, IRQF_SHARED, "v3d_hub", v3d); + if (ret) + goto fail; + ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 1), v3d_irq, IRQF_SHARED, "v3d_core0", v3d); if (ret) - dev_err(v3d->dev, "IRQ setup failed: %d\n", ret); + goto fail; v3d_irq_enable(v3d); + return 0; + +fail: + if (ret != -EPROBE_DEFER) + dev_err(v3d->dev, "IRQ setup failed: %d\n", ret); + return ret; } void |