Use the devres-managed devm_of_reserved_mem_device_init() instead of
the manual of_reserved_mem_device_init()/of_reserved_mem_device_release()
pair, letting the device resource manager handle cleanup automatically.
Also simplify the IRQ error path since the release before init was a no-op.

Signed-off-by: Mukesh Ojha <[email protected]>
---
 drivers/gpu/drm/kmb/kmb_drv.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index 7c2eb1152fc2..88fe377940f3 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -140,13 +140,12 @@ static int kmb_hw_init(struct drm_device *drm, unsigned 
long flags)
        /* Allocate LCD interrupt resources */
        irq_lcd = platform_get_irq(pdev, 0);
        if (irq_lcd < 0) {
-               ret = irq_lcd;
                drm_err(&kmb->drm, "irq_lcd not found");
-               goto setup_fail;
+               return irq_lcd;
        }
 
        /* Get the optional framebuffer memory resource */
-       ret = of_reserved_mem_device_init(drm->dev);
+       ret = devm_of_reserved_mem_device_init(drm->dev);
        if (ret && ret != -ENODEV)
                return ret;
 
@@ -155,11 +154,6 @@ static int kmb_hw_init(struct drm_device *drm, unsigned 
long flags)
        kmb->irq_lcd = irq_lcd;
 
        return 0;
-
- setup_fail:
-       of_reserved_mem_device_release(drm->dev);
-
-       return ret;
 }
 
 static const struct drm_mode_config_funcs kmb_mode_config_funcs = {
@@ -465,8 +459,6 @@ static void kmb_remove(struct platform_device *pdev)
        pm_runtime_put_sync(drm->dev);
        pm_runtime_disable(drm->dev);
 
-       of_reserved_mem_device_release(drm->dev);
-
        /* Release clks */
        kmb_display_clk_disable(kmb);
 
-- 
2.53.0


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