diff options
| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2016-06-21 10:57:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-26 11:43:39 -0700 |
| commit | 5a5a0b1ae54c9467594e75957240b25863d7e997 (patch) | |
| tree | 45aaf69ce64ed2498c537293da06b5309fb94c30 /drivers/usb/host/xhci-ring.c | |
| parent | aa5e94a2e13377e374795de5400e346c978f46be (diff) | |
| download | linux-5a5a0b1ae54c9467594e75957240b25863d7e997.tar.bz2 | |
xhci: rename ep_ring variable in queue_bulk_tx(), no functional change
Tiny change, a bit more readable.
The real reason for this change is that the coming td fragment work
had several over 80 lines character lines split just because of a few
extra characters in variable names.
no functional changes
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index d7d502578d79..e62427dfb263 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -3120,7 +3120,7 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, struct urb *urb, int slot_id, unsigned int ep_index) { - struct xhci_ring *ep_ring; + struct xhci_ring *ring; struct urb_priv *urb_priv; struct xhci_td *td; struct xhci_generic_trb *start_trb; @@ -3129,14 +3129,13 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, bool zero_length_needed; unsigned int num_trbs, last_trb_num, i; unsigned int start_cycle, num_sgs = 0; - unsigned int running_total, block_len, trb_buff_len; - unsigned int full_len; + unsigned int running_total, block_len, trb_buff_len, full_len; int ret; u32 field, length_field, remainder; u64 addr; - ep_ring = xhci_urb_to_transfer_ring(xhci, urb); - if (!ep_ring) + ring = xhci_urb_to_transfer_ring(xhci, urb); + if (!ring) return -EINVAL; /* If we have scatter/gather list, we use it. */ @@ -3177,8 +3176,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, * until we've finished creating all the other TRBs. The ring's cycle * state may change as we enqueue the other TRBs, so save it too. */ - start_trb = &ep_ring->enqueue->generic; - start_cycle = ep_ring->cycle_state; + start_trb = &ring->enqueue->generic; + start_cycle = ring->cycle_state; full_len = urb->transfer_buffer_length; running_total = 0; @@ -3217,7 +3216,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (start_cycle == 0) field |= TRB_CYCLE; } else - field |= ep_ring->cycle_state; + field |= ring->cycle_state; /* Chain all the TRBs together; clear the chain bit in the last * TRB to indicate it's the last TRB in the chain. @@ -3227,10 +3226,10 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } else { field |= TRB_IOC; if (i == last_trb_num) - td->last_trb = ep_ring->enqueue; + td->last_trb = ring->enqueue; else if (zero_length_needed) { trb_buff_len = 0; - urb_priv->td[1]->last_trb = ep_ring->enqueue; + urb_priv->td[1]->last_trb = ring->enqueue; } } @@ -3251,7 +3250,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, more_trbs_coming = true; else more_trbs_coming = false; - queue_trb(xhci, ep_ring, more_trbs_coming, + queue_trb(xhci, ring, more_trbs_coming, lower_32_bits(addr), upper_32_bits(addr), length_field, |