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authorAndiry Xu <andiry.xu@amd.com>2011-09-23 14:19:49 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-09-26 15:51:09 -0700
commitd2f52c9e585bbb1a3c164e02b8dcd0d996c67353 (patch)
treedbf01ea79e8d869e3ab3493cea8e2b1801d193bc /drivers/usb/host/xhci-ring.c
parentc9682dffceb4bb3bdf6df4c0c87c4b887b03f5b7 (diff)
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.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 0ef4f20c7f41..30b357781671 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 +