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authorRuan Jinjie <ruanjinjie@huawei.com>2023-08-03 07:03:59 +0300
committerSteven Price <steven.price@arm.com>2023-08-21 17:11:27 +0300
commitd7a407bc9ba30628eb699170e21d50c701c0e872 (patch)
treea51a269d2359beed305b57277ba00acae5e937b2 /drivers/gpu/drm/panfrost
parentad1367f831f8743746a1f49705c28e36a7c95525 (diff)
downloadlinux-d7a407bc9ba30628eb699170e21d50c701c0e872.tar.xz
drm/panfrost: Do not check for 0 return after calling platform_get_irq_byname()
It is not possible for platform_get_irq_byname() to return 0. Use the return value from platform_get_irq_byname(). Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230803040401.3067484-2-ruanjinjie@huawei.com
Diffstat (limited to 'drivers/gpu/drm/panfrost')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gpu.c4
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_job.c4
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_mmu.c4
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c
index d28b99732dde..2faa344d89ee 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gpu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c
@@ -390,8 +390,8 @@ int panfrost_gpu_init(struct panfrost_device *pfdev)
dma_set_max_seg_size(pfdev->dev, UINT_MAX);
irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "gpu");
- if (irq <= 0)
- return -ENODEV;
+ if (irq < 0)
+ return irq;
err = devm_request_irq(pfdev->dev, irq, panfrost_gpu_irq_handler,
IRQF_SHARED, KBUILD_MODNAME "-gpu", pfdev);
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index a8b4827dc425..033f5e684707 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -810,8 +810,8 @@ int panfrost_job_init(struct panfrost_device *pfdev)
spin_lock_init(&js->job_lock);
js->irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "job");
- if (js->irq <= 0)
- return -ENODEV;
+ if (js->irq < 0)
+ return js->irq;
ret = devm_request_threaded_irq(pfdev->dev, js->irq,
panfrost_job_irq_handler,
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index c0123d09f699..d54d4e7b2195 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -755,8 +755,8 @@ int panfrost_mmu_init(struct panfrost_device *pfdev)
int err, irq;
irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "mmu");
- if (irq <= 0)
- return -ENODEV;
+ if (irq < 0)
+ return irq;
err = devm_request_threaded_irq(pfdev->dev, irq,
panfrost_mmu_irq_handler,