summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/omapdrm/dss/dsi.c
diff options
context:
space:
mode:
authorTomi Valkeinen <tomi.valkeinen@ti.com>2020-12-15 12:46:36 +0200
committerTomi Valkeinen <tomi.valkeinen@ti.com>2020-12-15 16:17:30 +0200
commit442cbc86b9b75ea36d5abc97e25ae349476f9590 (patch)
tree6494c3d55482e0babdc5b2904b2294fb8be08c5d /drivers/gpu/drm/omapdrm/dss/dsi.c
parentd843314e48405819604966c57e4db0ebed3fe35d (diff)
downloadlinux-442cbc86b9b75ea36d5abc97e25ae349476f9590.tar.bz2
drm/omap: dsi: drop useless channel checks
A DSI peripheral can have virtual channel ID of 0-3. This should be always the case, and there's no need in the driver to validate the channel. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201215104657.802264-64-tomi.valkeinen@ti.com
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/dsi.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/dsi.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 96193a04b2b8..32e6170abd95 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -3899,9 +3899,6 @@ static int dsi_update_channel(struct omap_dss_device *dssdev, int channel)
struct dsi_data *dsi = to_dsi_data(dssdev);
int r;
- if (channel > 3)
- return -EINVAL;
-
dsi_bus_lock(dsi);
if (!dsi->video_enabled) {
@@ -5065,12 +5062,8 @@ static int omap_dsi_host_attach(struct mipi_dsi_host *host,
struct mipi_dsi_device *client)
{
struct dsi_data *dsi = host_to_omap(host);
- unsigned int channel = client->channel;
int r;
- if (channel > 3)
- return -EINVAL;
-
if (dsi->dsidev) {
DSSERR("dsi client already attached\n");
return -EBUSY;
@@ -5120,10 +5113,6 @@ static int omap_dsi_host_detach(struct mipi_dsi_host *host,
struct mipi_dsi_device *client)
{
struct dsi_data *dsi = host_to_omap(host);
- unsigned int channel = client->channel;
-
- if (channel > 3)
- return -EINVAL;
if (WARN_ON(dsi->dsidev != client))
return -EINVAL;