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authorTomi Valkeinen <tomi.valkeinen@ti.com>2011-10-13 16:12:29 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2011-12-02 08:54:18 +0200
commitdb18644f90e664bf30f58cf9b8bc879598bff62f (patch)
tree16bc1cef274325335347bf7357562a418f05d17d
parent9b4362f2b5ad6d0cf6b5754000b8db80d0592e89 (diff)
downloadlinux-db18644f90e664bf30f58cf9b8bc879598bff62f.tar.gz
OMAPDSS: DSI: remove dsi_get_num_lanes_used
There's no longer need for the dsi_get_num_lanes_used function, so it
can be removed. The lane check in dsi_init_display() can be removed as
the validity of the config will be verified when parsing it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
-rw-r--r--drivers/video/omap2/dss/dsi.c27
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index dee95253e01d..2b375c6027b6 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -2034,23 +2034,6 @@ static int dsi_cio_power(struct platform_device *dsidev,
 	return 0;
 }
 
-/* Number of lanes used by the dss device */
-static inline int dsi_get_num_lanes_used(struct omap_dss_device *dssdev)
-{
-	int num_data_lanes = 0;
-
-	if (dssdev->phy.dsi.data1_lane != 0)
-		num_data_lanes++;
-	if (dssdev->phy.dsi.data2_lane != 0)
-		num_data_lanes++;
-	if (dssdev->phy.dsi.data3_lane != 0)
-		num_data_lanes++;
-	if (dssdev->phy.dsi.data4_lane != 0)
-		num_data_lanes++;
-
-	return num_data_lanes + 1;
-}
-
 static unsigned dsi_get_line_buf_size(struct platform_device *dsidev)
 {
 	int val;
@@ -3863,6 +3846,7 @@ static int dsi_proto_config(struct omap_dss_device *dssdev)
 static void dsi_proto_timings(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	unsigned tlpx, tclk_zero, tclk_prepare, tclk_trail;
 	unsigned tclk_pre, tclk_post;
 	unsigned ths_prepare, ths_prepare_ths_zero, ths_zero;
@@ -3870,7 +3854,7 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev)
 	unsigned ddr_clk_pre, ddr_clk_post;
 	unsigned enter_hs_mode_lat, exit_hs_mode_lat;
 	unsigned ths_eot;
-	int ndl = dsi_get_num_lanes_used(dssdev) - 1;
+	int ndl = dsi->num_lanes_used - 1;
 	u32 r;
 
 	r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
@@ -4554,7 +4538,6 @@ int dsi_init_display(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-	int dsi_module = dsi_get_dsidev_id(dsidev);
 
 	DSSDBG("DSI init\n");
 
@@ -4576,12 +4559,6 @@ int dsi_init_display(struct omap_dss_device *dssdev)
 		dsi->vdds_dsi_reg = vdds_dsi;
 	}
 
-	if (dsi_get_num_lanes_used(dssdev) > dsi->num_lanes_supported) {
-		DSSERR("DSI%d can't support more than %d lanes\n",
-			dsi_module + 1, dsi->num_lanes_supported);
-		return -EINVAL;
-	}
-
 	return 0;
 }