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.valkei...@ti.com>
---
 drivers/gpu/drm/omapdrm/dss/dsi.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c 
b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 63338324c564..fbf05097612f 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -3902,9 +3902,6 @@ 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) {
@@ -5063,12 +5060,8 @@ 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;
@@ -5118,10 +5111,6 @@ 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;
-- 
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Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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