diff options
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index cd872e9d798..37226628bc0 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -2242,24 +2242,31 @@ int dsi_vc_send_bta_sync(int channel) if (r) goto err0; - r = dsi_vc_send_bta(channel); + r = dsi_register_isr(dsi_completion_handler, &completion, + DSI_IRQ_ERROR_MASK); if (r) goto err1; + r = dsi_vc_send_bta(channel); + if (r) + goto err2; + if (wait_for_completion_timeout(&completion, msecs_to_jiffies(500)) == 0) { DSSERR("Failed to receive BTA\n"); r = -EIO; - goto err1; + goto err2; } err = dsi_get_errors(); if (err) { DSSERR("Error while sending BTA: %x\n", err); r = -EIO; - goto err1; + goto err2; } - +err2: + dsi_unregister_isr(dsi_completion_handler, &completion, + DSI_IRQ_ERROR_MASK); err1: dsi_unregister_isr_vc(channel, dsi_completion_handler, &completion, DSI_VC_IRQ_BTA); |