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From: Fabio Estevam <fabio.estevam@nxp.com>
Date: Mon, 18 Dec 2017 11:02:28 -0200
Subject: drm/stm: dsi: Remove unnecessary platform_get_resource() error check
Git-commit: 6cf7e40b5cf0d8de1ccec73cc9e6db8f0023ef8b
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Cc: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1513602150-7542-5-git-send-email-festevam@gmail.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/stm/dw_mipi_dsi-stm.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
+++ b/drivers/gpu/drm/stm/dw_mipi_dsi-stm.c
@@ -290,11 +290,6 @@ static int dw_mipi_dsi_stm_probe(struct
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		DRM_ERROR("Unable to get resource\n");
-		return -ENODEV;
-	}
-
 	dsi->base = devm_ioremap_resource(dev, res);
 	if (IS_ERR(dsi->base)) {
 		DRM_ERROR("Unable to get dsi registers\n");