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.szyprowski@xxxxxxxxxxx> --- 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@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel