[coreboot] New patch to review for coreboot: 58d6b64 Fix disconnect handling on UHCI root ports

[Patrick Georgi (patrick@georgi-clan.de)]

Patrick Georgi (patrick at georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1531

-gerrit

commit 58d6b64b87620f8dc112243dc4c2337f00dfcd5d
Author: Anton Kochkov <anton.kochkov at gmail.com>
Date:   Thu Sep 20 10:22:52 2012 +0200

    Fix disconnect handling on UHCI root ports
    
    Change-Id: I03b72cd1c6ed0df09c08f2a687d4f17fa3cf6afc
    Signed-off-by: Patrick Georgi <patrick.georgi at secunet.com>
---
 payloads/libpayload/drivers/usb/uhci_rh.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/payloads/libpayload/drivers/usb/uhci_rh.c b/payloads/libpayload/drivers/usb/uhci_rh.c
index a5661b0..547f064 100644
--- a/payloads/libpayload/drivers/usb/uhci_rh.c
+++ b/payloads/libpayload/drivers/usb/uhci_rh.c
@@ -81,9 +81,14 @@ static void
 uhci_rh_disable_port (usbdev_t *dev, int port)
 {
 	hci_t *controller = dev->controller;
-	port = PORTSC2;
 	if (port == 1)
 		port = PORTSC1;
+	else if (port == 2)
+		port = PORTSC2;
+	else {
+		debug("Invalid port %d\n", port);
+		return;
+	}
 	uhci_reg_write16(controller, port,
 			 uhci_reg_read16(controller, port) & ~4);
 	u16 value;