[PATCH 2/2] drm/exynos: Use the core platform_driver component matching helper.

[Gustavo Padovan]

Hi Eric.

2015-09-28 Eric Anholt :

> Signed-off-by: Eric Anholt 
> ---
>  drivers/gpu/drm/exynos/exynos_drm_drv.c | 37 
> +++--
>  1 file changed, 7 insertions(+), 30 deletions(-)

Can you kindly add a commit message as well?

Otherwise,

Reviewed-by: Gustavo Padovan 

Gustavo

[PATCH 2/2] drm/exynos: Use the core platform_driver component matching helper.

[Eric Anholt]

Signed-off-by: Eric Anholt 
---
 drivers/gpu/drm/exynos/exynos_drm_drv.c | 37 +++--
 1 file changed, 7 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c 
b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 831d2e4..74826ec 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -566,32 +566,6 @@ static struct platform_driver *const 
exynos_drm_drv_with_simple_dev[] = {
 };
 #define PDEV_COUNT ARRAY_SIZE(exynos_drm_drv_with_simple_dev)

-static int compare_dev(struct device *dev, void *data)
-{
-   return dev == (struct device *)data;
-}
-
-static struct component_match *exynos_drm_match_add(struct device *dev)
-{
-   struct component_match *match = NULL;
-   int i;
-
-   for (i = 0; i < ARRAY_SIZE(exynos_drm_kms_drivers); ++i) {
-   struct device_driver *drv = _drm_kms_drivers[i]->driver;
-   struct device *p = NULL, *d;
-
-   while ((d = bus_find_device(_bus_type, p, drv,
-   (void *)platform_bus_type.match))) {
-   put_device(p);
-   component_match_add(dev, , compare_dev, d);
-   p = d;
-   }
-   put_device(p);
-   }
-
-   return match ?: ERR_PTR(-ENODEV);
-}
-
 static int exynos_drm_bind(struct device *dev)
 {
return drm_platform_init(_drm_driver, to_platform_device(dev));
@@ -609,14 +583,17 @@ static const struct component_master_ops exynos_drm_ops = 
{

 static int exynos_drm_platform_probe(struct platform_device *pdev)
 {
-   struct component_match *match;
+   struct component_match *match = NULL;

pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls);

-   match = exynos_drm_match_add(>dev);
-   if (IS_ERR(match))
-   return PTR_ERR(match);
+   component_match_add_platform_drivers(>dev, ,
+exynos_drm_kms_drivers,
+
ARRAY_SIZE(exynos_drm_kms_drivers));
+
+   if (!match)
+   return -ENODEV;

return component_master_add_with_match(>dev, _drm_ops,
   match);
-- 
2.1.4