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@xxxxxx> --- drivers/usb/musb/musb_cppi41.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 4407f30d0b86..9dc45a4a9fa8 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -287,7 +287,7 @@ static void cppi41_dma_callback(void *private_data) wait--; if (!wait) break; - udelay(1); + cpu_relax(); } while (1); } list_add_tail(&cppi41_channel->tx_check, -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
