[SeaBIOS] [PATCH] EHCI: increase CONNECT detection delay

Sven Schnelle svens at stackframe.org
Sun Jul 29 21:51:14 CEST 2012


1ms seems to short on my chromebook, increasing that
to 5ms makes EHCI work.

Signed-off-by: Sven Schnelle <svens at stackframe.org>
---
 src/usb-ehci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/usb-ehci.c b/src/usb-ehci.c
index 3c0be13..b53caa1 100644
--- a/src/usb-ehci.c
+++ b/src/usb-ehci.c
@@ -82,7 +82,7 @@ ehci_hub_detect(struct usbhub_s *hub, u32 port)
         writel(portreg, portsc);
         msleep(EHCI_TIME_POSTPOWER);
     } else {
-        msleep(1); // XXX - time for connect to be detected.
+        msleep(5); // XXX - time for connect to be detected.
     }
     portsc = readl(portreg);
 
-- 
1.7.10.4




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