Hi,
in xhci-ring.c, function inc_enq and inc_deq calculate the dma address
of trb but never used. This calculation may be used for debugging
purpose, in that case this code should be part of debug flag.
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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