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usb: host: ehci: use correct device pointer for dma ops
authorPeter Chen <hzpeterchen@gmail.com>
Thu, 1 Feb 2018 04:26:43 +0000 (12:26 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 15 Feb 2018 17:43:57 +0000 (18:43 +0100)
commit a8c06e407ef9 ("usb: separate out sysdev pointer from usb_bus")
converted to use hcd->self.sysdev for DMA operations instead of
hcd->self.controller, but forgot to do it for hcd test mode. Replace
the correct one in this commit.

Fixes: a8c06e407ef9 ("usb: separate out sysdev pointer from usb_bus")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/ehci-hub.c

index facafdf..d7641cb 100644 (file)
@@ -774,12 +774,12 @@ static struct urb *request_single_step_set_feature_urb(
        atomic_inc(&urb->use_count);
        atomic_inc(&urb->dev->urbnum);
        urb->setup_dma = dma_map_single(
-                       hcd->self.controller,
+                       hcd->self.sysdev,
                        urb->setup_packet,
                        sizeof(struct usb_ctrlrequest),
                        DMA_TO_DEVICE);
        urb->transfer_dma = dma_map_single(
-                       hcd->self.controller,
+                       hcd->self.sysdev,
                        urb->transfer_buffer,
                        urb->transfer_buffer_length,
                        DMA_FROM_DEVICE);