Hi Girish,
Sorry for taking a really long time to respond! This is a good idea,
but your patch doesn't apply any more. Can you update it against the
latest kernel and resend it?
Sarah Sharp
On Sun, May 13, 2012 at 08:59:02PM +0530, Girish Verma wrote:
> In xhci-ring.c, function inc_enq and inc_deq calculate the dma address
> of trb but never used.
>
> Signed-off-by: Girish Verma <girish@xxxxxxxxxxxxxxxx>
> ---
> drivers/usb/host/xhci-ring.c | 4 ----
> 1 files changed, 0 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
> index 3d9422f..dcd67c1 100644
> --- a/drivers/usb/host/xhci-ring.c
> +++ b/drivers/usb/host/xhci-ring.c
> @@ -146,7 +146,6 @@ static void next_trb(struct xhci_hcd *xhci,
> static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
> {
> union xhci_trb *next;
> - unsigned long long addr;
>
> ring->deq_updates++;
>
> @@ -168,7 +167,6 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
> ring->dequeue = ring->deq_seg->trbs;
> next = ring->dequeue;
> }
> - addr = (unsigned long long) xhci_trb_virt_to_dma(ring->deq_seg, ring->dequeue);
> }
>
> /*
> @@ -193,7 +191,6 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
> {
> u32 chain;
> union xhci_trb *next;
> - unsigned long long addr;
>
> chain = le32_to_cpu(ring->enqueue->generic.field[3]) & TRB_CHAIN;
> /* If this is not event ring, there is one less usable TRB */
> @@ -245,7 +242,6 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring,
> ring->enqueue = ring->enq_seg->trbs;
> next = ring->enqueue;
> }
> - addr = (unsigned long long) xhci_trb_virt_to_dma(ring->enq_seg, ring->enqueue);
> }
>
> /*
> --
>
>
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