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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
This commit is contained in:
Tomi Valkeinen 2020-12-15 12:46:36 +02:00
parent d843314e48
commit 442cbc86b9
1 changed files with 0 additions and 11 deletions
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11
drivers/gpu/drm/omapdrm/dss/dsi.c
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@ -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;