[coreboot] Patch set updated for coreboot: c080577 libpayload: Implement usb_exit
Patrick Georgi (patrick@georgi-clan.de)
gerrit at coreboot.org
Fri Nov 4 21:28:15 CET 2011
Patrick Georgi (patrick at georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/397
-gerrit
commit c0805779c25bb3819eb9d244fdfd7d7ca894516f
Author: Patrick Georgi <patrick.georgi at secunet.com>
Date: Fri Nov 4 12:06:06 2011 +0100
libpayload: Implement usb_exit
So far it was empty and never published. It now exists and shuts down
all controllers (esp. EHCI which resets the port routers).
Change-Id: I81e355e8a05778d6397675417b085a094a6f48ee
Signed-off-by: Patrick Georgi <patrick.georgi at secunet.com>
---
payloads/libpayload/drivers/usb/usb.c | 16 ++++++++++++++++
payloads/libpayload/drivers/usb/usbinit.c | 5 -----
payloads/libpayload/include/libpayload.h | 1 +
3 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/payloads/libpayload/drivers/usb/usb.c b/payloads/libpayload/drivers/usb/usb.c
index 4f42332..995b4c2 100644
--- a/payloads/libpayload/drivers/usb/usb.c
+++ b/payloads/libpayload/drivers/usb/usb.c
@@ -68,6 +68,22 @@ detach_controller (hci_t *controller)
}
/**
+ * Shut down all controllers
+ */
+int
+usb_exit (void)
+{
+ if (usb_hcs == 0)
+ return 0;
+ hci_t *controller = usb_hcs;
+ while (controller != 0) {
+ controller->shutdown(controller);
+ controller = controller->next;
+ }
+ return 0;
+}
+
+/**
* Polls all hubs on all USB controllers, to find out about device changes
*/
void
diff --git a/payloads/libpayload/drivers/usb/usbinit.c b/payloads/libpayload/drivers/usb/usbinit.c
index 3964197..8499b82 100644
--- a/payloads/libpayload/drivers/usb/usbinit.c
+++ b/payloads/libpayload/drivers/usb/usbinit.c
@@ -139,8 +139,3 @@ usb_initialize (void)
return 0;
}
-int
-usb_exit (void)
-{
- return 0;
-}
diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h
index 80eaaa4..0e892c8 100644
--- a/payloads/libpayload/include/libpayload.h
+++ b/payloads/libpayload/include/libpayload.h
@@ -123,6 +123,7 @@ void rtc_read_clock(struct tm *tm);
* @{
*/
int usb_initialize(void);
+int usb_exit (void);
int usbhid_havechar(void);
int usbhid_getchar(void);
/** @} */
More information about the coreboot
mailing list