From: Felipe Balbi <balbi@ti.com>
Date: Thu, 26 Feb 2015 17:35:13 +0000 (-0600)
Subject: usb: musb: core: decrease delayed_work time
X-Git-Tag: v4.1-rc1~154^2~55^2~87
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=d5fa3e9f7398adf337f03fa3257d5e9b214078ee;p=linux.git

usb: musb: core: decrease delayed_work time

When babble IRQ happens, we need to wait only
5.3us (320 cycles of 60MHz clock), we will give
it some slack and schedule our work a 10 usecs into
the future.

Tested-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index a4e524cb8416..96d71fa2ae85 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -886,7 +886,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 				if (is_host_active(musb)) {
 					musb_disable_interrupts(musb);
 					schedule_delayed_work(&musb->recover_work,
-							msecs_to_jiffies(100));
+							usecs_to_jiffies(10));
 				}
 			}
 		} else {