Resending patch with latest kernel code:
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 643c2f3..5c5c47b 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -145,7 +145,6 @@ static void next_trb(struct xhci_hcd *xhci,
*/
static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring)
{
- unsigned long long addr;
ring->deq_updates++;
@@ -176,7 +175,6 @@ static void inc_deq(struct xhci_hcd *xhci, struct
xhci_ring *ring)
}
} while (last_trb(xhci, ring, ring->deq_seg, ring->dequeue));
- addr = (unsigned long long) xhci_trb_virt_to_dma(ring->deq_seg,
ring->dequeue);
}
/*
@@ -201,7 +199,6 @@ 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 */
@@ -253,7 +250,6 @@ 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);
}
/*
--
1.7.0.4
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