USB: UHCI: don't allocate frame list atomically

uhci_start() is executed one time during usb_add_hcd() call and by
default UHCI frame list is allocated from atomic DMA pool.

Do non-atomic allocation of uhci->frame and free some space in
coherent atomic DMA pool.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 27f35e8f161b20c968baf9fbaec77b42a075e849..a7de8e8bb4582bbee1e411a136a3223efcb9ac59 100644 (file)
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -591,7 +591,7 @@ static int uhci_start(struct usb_hcd *hcd)
 
        uhci->frame = dma_alloc_coherent(uhci_dev(uhci),
                        UHCI_NUMFRAMES * sizeof(*uhci->frame),
-                       &uhci->frame_dma_handle, 0);
+                       &uhci->frame_dma_handle, GFP_KERNEL);
        if (!uhci->frame) {
                dev_err(uhci_dev(uhci),
                        "unable to allocate consistent memory for frame list\n");