From: Dinh Nguyen <Dinh.Nguyen@xxxxxxxxxxxxx>
It seems that for USB IP on Freescale MX5x processors, it needs >750
usec for the reset to complete. This change should not hurt any other
EHCI hardware.
This patch applies to 2.6.34-rc4.
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@xxxxxxxxxxxxx>
---
drivers/usb/host/ehci-hub.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 1937267..c7178bc 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -801,7 +801,7 @@ static int ehci_hub_control (
* this bit; seems too long to spin routinely...
*/
retval = handshake(ehci, status_reg,
- PORT_RESET, 0, 750);
+ PORT_RESET, 0, 1000);
if (retval != 0) {
ehci_err (ehci, "port %d reset error %d\n",
wIndex + 1, retval);
--
1.6.0.4
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