media: am437x-vpfe: Make use of to_vpfe() to get a pointer to vpfe_device

This patch makes use of to_vpfe() to get a pointer to vpfe_device
Signed-off-by: Lad Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/am437x/am437x-vpfe.c

@@ -325,7 +325,7 @@ static void vpfe_ccdc_restore_defaults(struct vpfe_ccdc *ccdc)
 
 static int vpfe_ccdc_close(struct vpfe_ccdc *ccdc, struct device *dev)
 {
-	struct vpfe_device *vpfe = container_of(ccdc, struct vpfe_device, ccdc);
+	struct vpfe_device *vpfe = to_vpfe(ccdc);
 	u32 dma_cntl, pcr;
 
 	pcr = vpfe_reg_read(ccdc, VPFE_PCR);
@@ -349,7 +349,7 @@ static int vpfe_ccdc_close(struct vpfe_ccdc *ccdc, struct device *dev)
 
 static int vpfe_ccdc_set_params(struct vpfe_ccdc *ccdc, void __user *params)
 {
-	struct vpfe_device *vpfe = container_of(ccdc, struct vpfe_device, ccdc);
+	struct vpfe_device *vpfe = to_vpfe(ccdc);
 	struct vpfe_ccdc_config_params_raw raw_params;
 	int x;
 
@@ -505,7 +505,7 @@ vpfe_ccdc_config_black_compense(struct vpfe_ccdc *ccdc,
  */
 static void vpfe_ccdc_config_raw(struct vpfe_ccdc *ccdc)
 {
-	struct vpfe_device *vpfe = container_of(ccdc, struct vpfe_device, ccdc);
+	struct vpfe_device *vpfe = to_vpfe(ccdc);
 	struct vpfe_ccdc_config_params_raw *config_params =
 				&ccdc->ccdc_cfg.bayer.config_params;
 	struct ccdc_params_raw *params = &ccdc->ccdc_cfg.bayer;
@@ -610,7 +610,7 @@ static inline enum ccdc_buftype vpfe_ccdc_get_buftype(struct vpfe_ccdc *ccdc)
 
 static int vpfe_ccdc_set_pixel_format(struct vpfe_ccdc *ccdc, u32 pixfmt)
 {
-	struct vpfe_device *vpfe = container_of(ccdc, struct vpfe_device, ccdc);
+	struct vpfe_device *vpfe = to_vpfe(ccdc);
 
 	vpfe_dbg(1, vpfe, "%s: if_type: %d, pixfmt:%s\n",
 		 __func__, ccdc->ccdc_cfg.if_type, print_fourcc(pixfmt));
@@ -742,7 +742,7 @@ static inline void vpfe_set_sdr_addr(struct vpfe_ccdc *ccdc, unsigned long addr)
 static int vpfe_ccdc_set_hw_if_params(struct vpfe_ccdc *ccdc,
 				      struct vpfe_hw_if_param *params)
 {
-	struct vpfe_device *vpfe = container_of(ccdc, struct vpfe_device, ccdc);
+	struct vpfe_device *vpfe = to_vpfe(ccdc);
 
 	ccdc->ccdc_cfg.if_type = params->if_type;