IPUv3 fixes for v3.18

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Merge tag 'ipu-fixes-3.18' of git://git.pengutronix.de/git/pza/linux into drm-next

IPUv3 fixes for v3.18

* tag 'ipu-fixes-3.18' of git://git.pengutronix.de/git/pza/linux:
  gpu: ipu-v3: Kconfig: Remove SOC_IMX6SL from IMX_IPUV3_CORE Kconfig
  gpu: ipu-v3: ipu-smfc: Do not leave DEBUG defined
  gpu: ipu-v3: Return proper error on ipu_add_client_devices error path
  gpu: ipu-v3: Select GENERIC_IRQ_CHIP to fix build error

drivers/gpu/ipu-v3/Kconfig

@@ -1,7 +1,8 @@
 config IMX_IPUV3_CORE
 	tristate "IPUv3 core support"
-	depends on SOC_IMX5 || SOC_IMX6Q || SOC_IMX6SL || ARCH_MULTIPLATFORM
+	depends on SOC_IMX5 || SOC_IMX6Q || ARCH_MULTIPLATFORM
 	depends on RESET_CONTROLLER
+	select GENERIC_IRQ_CHIP
 	help
 	  Choose this if you have a i.MX5/6 system and want to use the Image
 	  Processing Unit. This option only enables IPU base support.

drivers/gpu/ipu-v3/ipu-common.c

@@ -1060,8 +1060,10 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
 				id++, &reg->pdata, sizeof(reg->pdata));
 		}
 
-		if (IS_ERR(pdev))
+		if (IS_ERR(pdev)) {
+			ret = PTR_ERR(pdev);
 			goto err_register;
+		}
 	}
 
 	return 0;

drivers/gpu/ipu-v3/ipu-smfc.c

@@ -8,7 +8,6 @@
  * http://www.opensource.org/licenses/gpl-license.html
  * http://www.gnu.org/copyleft/gpl.html
  */
-#define DEBUG
 #include <linux/export.h>
 #include <linux/types.h>
 #include <linux/init.h>