Platform devices instantiated from device-tree always have pdev->id set to
-1, so use of_get_alias_id() helper to retrieve proper device id.
Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_gsc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index e99dd1e4ba65..a63287597985 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1196,7 +1196,12 @@ static int gsc_probe(struct platform_device *pdev)
struct exynos_drm_ipp_formats *formats;
struct gsc_context *ctx;
struct resource *res;
- int ret, i;
+ int ret, i, id;
+
+ ret = of_alias_get_id(pdev->dev.of_node, "gsc");
+ if (ret < 0)
+ return ret;
+ id = ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@@ -1254,7 +1259,7 @@ static int gsc_probe(struct platform_device *pdev)
}
/* context initailization */
- ctx->id = pdev->id;
+ ctx->id = id;
platform_set_drvdata(pdev, ctx);
--
2.17.1
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
