diff options
Diffstat (limited to 'drivers/gpu/drm/sprd/sprd_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/sprd/sprd_dsi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sprd/sprd_dsi.c b/drivers/gpu/drm/sprd/sprd_dsi.c index 911b3cddc264..12b67a5d5923 100644 --- a/drivers/gpu/drm/sprd/sprd_dsi.c +++ b/drivers/gpu/drm/sprd/sprd_dsi.c @@ -907,6 +907,11 @@ static int sprd_dsi_context_init(struct sprd_dsi *dsi, struct resource *res; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(dev, "failed to get I/O resource\n"); + return -EINVAL; + } + ctx->base = devm_ioremap(dev, res->start, resource_size(res)); if (!ctx->base) { drm_err(dsi->drm, "failed to map dsi host registers\n"); |