[PATCH -next 1/2] drm/panfrost: Do not check for 0 return after calling platform_get_irq_byname()

[Ruan Jinjie]

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 <ruanjin...@huawei.com>
---
 drivers/gpu/drm/panfrost/panfrost_gpu.c | 4 ++--
 drivers/gpu/drm/panfrost/panfrost_job.c | 4 ++--
 drivers/gpu/drm/panfrost/panfrost_mmu.c | 4 ++--
 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 dbc597ab46fb..3322b3024937 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -794,8 +794,8 @@ 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,
-- 
2.34.1