[PATCH v3 23/46] media: rkisp1: csi: Move start delay to rkisp1_csi_start()

[Laurent Pinchart]

The delay in rkisp1_isp_start() is related to the CSI-2 receiver and
the camera sensor. Move it where it belongs, to rkisp1_csi_start().

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Dafna Hirschfeld <dafna at fastmail.com>
---
Changes since v1:

- Fix typo in commit message
---
 drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c | 7 +++++++
 drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 6 ------
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
index 102deb877aa4..749ad473b877 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c
@@ -9,6 +9,7 @@
  * Copyright (C) 2017 Rockchip Electronics Co., Ltd.
  */
 
+#include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/phy/phy.h>
 #include <linux/phy/phy-mipi-dphy.h>
@@ -121,6 +122,12 @@ int rkisp1_csi_start(struct rkisp1_csi *csi,
 
 	rkisp1_csi_enable(csi);
 
+	/*
+	 * CIF spec says to wait for sufficient time after enabling
+	 * the MIPI interface and before starting the sensor output.
+	 */
+	usleep_range(1000, 1200);
+
 	return 0;
 }
 
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index d2343f166f42..da895f6aa3fa 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -365,12 +365,6 @@ static void rkisp1_isp_start(struct rkisp1_device *rkisp1)
 	       RKISP1_CIF_ISP_CTRL_ISP_ENABLE |
 	       RKISP1_CIF_ISP_CTRL_ISP_INFORM_ENABLE;
 	rkisp1_write(rkisp1, RKISP1_CIF_ISP_CTRL, val);
-
-	/*
-	 * CIF spec says to wait for sufficient time after enabling
-	 * the MIPI interface and before starting the sensor output.
-	 */
-	usleep_range(1000, 1200);
 }
 
 /* ----------------------------------------------------------------------------
-- 
Regards,

Laurent Pinchart