xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

USB: xHCI: bus power management implementation

Browse Source 
This patch implements xHCI bus suspend/resume function hook.

In the patch it goes through all the ports and suspend/resume
the ports if needed.

If any port is in remote wakeup, abort bus suspend as what ehci/ohci do.

Signed-off-by: Libin Yang <libin.yang@amd.com>
Signed-off-by: Crane Cai <crane.cai@amd.com>
Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andiry Xu
2010-10-14 07:23:03 -07:00
committed by Greg Kroah-Hartman
parent 5619253187
commit 9777e3ce90
4 changed files with 200 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/usb/host/xhci-mem.c
View File

@@ -1445,6 +1445,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
scratchpad_free(xhci);
xhci->page_size = 0;
xhci->page_shift = 0;
xhci->bus_suspended = 0;
}
static int xhci_test_trb_in_td(struct xhci_hcd *xhci,