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| author | Andiry Xu <andiry.xu@amd.com> | 2011-09-23 14:19:49 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-09-26 15:51:09 -0700 |
| commit | d2f52c9e585bbb1a3c164e02b8dcd0d996c67353 (patch) | |
| tree | dbf01ea79e8d869e3ab3493cea8e2b1801d193bc /drivers/usb/host/xhci-ring.c | |
| parent | c9682dffceb4bb3bdf6df4c0c87c4b887b03f5b7 (diff) | |
| download | op-kernel-dev-d2f52c9e585bbb1a3c164e02b8dcd0d996c67353.zip op-kernel-dev-d2f52c9e585bbb1a3c164e02b8dcd0d996c67353.tar.gz | |
xHCI: test and clear RWC bit
Introduce xhci_test_and_clear_bit() to clear RWC bit in PORTSC register.
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>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 0ef4f20..30b3577 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1340,10 +1340,8 @@ static void handle_port_status(struct xhci_hcd *xhci, xhci_ring_device(xhci, slot_id); xhci_dbg(xhci, "resume SS port %d finished\n", port_id); /* Clear PORT_PLC */ - temp = xhci_readl(xhci, port_array[faked_port_index]); - temp = xhci_port_state_to_neutral(temp); - temp |= PORT_PLC; - xhci_writel(xhci, temp, port_array[faked_port_index]); + xhci_test_and_clear_bit(xhci, port_array, + faked_port_index, PORT_PLC); } else { xhci_dbg(xhci, "resume HS port %d\n", port_id); bus_state->resume_done[faked_port_index] = jiffies + |
