It has been observed that some IMX6SDL SoC will hang appx 0.1% of boots
between disabling the ipu channel and disabling DMA preceeding an OS boot
unless an extra delay is added here.
The specific cause is still under investigation.
Signed-off-by: Tim Harvey <thar...@gateworks.com>
---
drivers/video/ipu_common.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c
index 5873531..3c1bbbb 100644
--- a/drivers/video/ipu_common.c
+++ b/drivers/video/ipu_common.c
@@ -1109,6 +1109,7 @@ int32_t ipu_disable_channel(ipu_channel_t channel)
if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC) ||
(channel == MEM_DC_SYNC)) {
ipu_dp_dc_disable(channel, 0);
+ mdelay(50);
}
/* Disable DMA channel(s) */
--
1.9.1
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