diff mbox series

[v3,13/19] media: ti-vpe: cal: fix dummy read to phy

Message ID 20200325121510.25923-14-tomi.valkeinen@ti.com (mailing list archive)
State Accepted, archived
Delegated to: Hans Verkuil
Headers
Series CAL fixes and improvements |

Commit Message

Tomi Valkeinen March 25, 2020, 12:15 p.m. UTC 
  After ComplexIO reset, a dummy read to PHY is needed as per CAL spec to
finish the reset. Currently the driver reads a ComplexIO register, not
PHY register. Fix this.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
---
 drivers/media/platform/ti-vpe/cal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index d8d455576062..c7cbb50eb5f9 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -796,8 +796,8 @@  static void csi2_phy_init(struct cal_ctx *ctx)
 		ctx->csi2_port,
 		reg_read(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port)));
 
-	/* Dummy read to allow SCP to complete */
-	val = reg_read(ctx->dev, CAL_CSI2_COMPLEXIO_CFG(ctx->csi2_port));
+	/* Dummy read to allow SCP reset to complete */
+	reg_read(ctx->cc, CAL_CSI2_PHY_REG0);
 
 	/* 3.A. Program Phy Timing Parameters */
 	csi2_phy_config(ctx);