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authorAnton Kochkov <anton.kochkov@gmail.com>2012-09-20 10:22:52 +0200
committerAnton Kochkov <anton.kochkov@gmail.com>2012-09-21 23:47:05 +0200
commit1d668973645895faedff890ab96d1db9a187dcc2 (patch)
tree80804c29c9782d0b8c98ece0a7b86e515001ac58 /payloads
parentf6c808090af3f4c93b8c0bca61308fd68111b045 (diff)
downloadcoreboot-1d668973645895faedff890ab96d1db9a187dcc2.tar.xz
Fix disconnect handling on UHCI root ports
Change-Id: I03b72cd1c6ed0df09c08f2a687d4f17fa3cf6afc Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com> Reviewed-on: http://review.coreboot.org/1531 Tested-by: build bot (Jenkins) Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
Diffstat (limited to 'payloads')
-rw-r--r--payloads/libpayload/drivers/usb/uhci_rh.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/payloads/libpayload/drivers/usb/uhci_rh.c b/payloads/libpayload/drivers/usb/uhci_rh.c
index a5661b095f..547f0644b4 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;