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usb: musb: cppi41: do not call udelay()

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according to comment in code, HS completion
will happen pretty fast, instead of using
udelay(), let's just busy loop and drop a
cpu_relax() where udelay() was.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi
2015-02-27 13:22:27 -06:00
parent af63429cf0
commit 043f5b75dd
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/musb/musb_cppi41.c
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@@ -287,7 +287,7 @@ static void cppi41_dma_callback(void *private_data)
wait--; wait--;
if (!wait) if (!wait)
break; break;
udelay(1); cpu_relax();
} while (1); } while (1);
} }
list_add_tail(&cppi41_channel->tx_check, list_add_tail(&cppi41_channel->tx_check,