diff options
| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2014-11-27 11:19:14 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-12-02 19:14:29 -0500 |
| commit | 69defe04ec825e42e0d719cca5a23f48b624bee9 (patch) | |
| tree | f07dc19714d480df457c718cb2f5af1cb4717aaf | |
| parent | c00552ebafddfe6abb397d957004f165e010abd2 (diff) | |
xhci: cleanup finish_td function
Remove unnecessary else after return, dropping extra indentation depth.
No functional changes.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 105 |
1 files changed, 49 insertions, 56 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 06433aec81d7..5f609325ec7b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c | |||
| @@ -1813,72 +1813,65 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, | |||
| 1813 | if (skip) | 1813 | if (skip) |
| 1814 | goto td_cleanup; | 1814 | goto td_cleanup; |
| 1815 | 1815 | ||
| 1816 | if (trb_comp_code == COMP_STOP_INVAL || | 1816 | if (trb_comp_code == COMP_STOP_INVAL || trb_comp_code == COMP_STOP) { |
| 1817 | trb_comp_code == COMP_STOP) { | ||
| 1818 | /* The Endpoint Stop Command completion will take care of any | 1817 | /* The Endpoint Stop Command completion will take care of any |
| 1819 | * stopped TDs. A stopped TD may be restarted, so don't update | 1818 | * stopped TDs. A stopped TD may be restarted, so don't update |
| 1820 | * the ring dequeue pointer or take this TD off any lists yet. | 1819 | * the ring dequeue pointer or take this TD off any lists yet. |
| 1821 | */ | 1820 | */ |
| 1822 | ep->stopped_td = td; | 1821 | ep->stopped_td = td; |
| 1823 | return 0; | 1822 | return 0; |
| 1823 | } | ||
| 1824 | if (trb_comp_code == COMP_STALL || | ||
| 1825 | xhci_requires_manual_halt_cleanup(xhci, ep_ctx, | ||
| 1826 | trb_comp_code)) { | ||
| 1827 | /* Issue a reset endpoint command to clear the host side | ||
| 1828 | * halt, followed by a set dequeue command to move the | ||
| 1829 | * dequeue pointer past the TD. | ||
| 1830 | * The class driver clears the device side halt later. | ||
| 1831 | */ | ||
| 1832 | xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, | ||
| 1833 | ep_ring->stream_id, td, event_trb); | ||
| 1824 | } else { | 1834 | } else { |
| 1825 | if (trb_comp_code == COMP_STALL || | 1835 | /* Update ring dequeue pointer */ |
| 1826 | xhci_requires_manual_halt_cleanup(xhci, ep_ctx, | 1836 | while (ep_ring->dequeue != td->last_trb) |
| 1827 | trb_comp_code)) { | ||
| 1828 | /* Issue a reset endpoint command to clear the host side | ||
| 1829 | * halt, followed by a set dequeue command to move the | ||
| 1830 | * dequeue pointer past the TD. | ||
| 1831 | * The class driver clears the device side halt later. | ||
| 1832 | */ | ||
| 1833 | xhci_cleanup_halted_endpoint(xhci, | ||
| 1834 | slot_id, ep_index, ep_ring->stream_id, | ||
| 1835 | td, event_trb); | ||
| 1836 | } else { | ||
| 1837 | /* Update ring dequeue pointer */ | ||
| 1838 | while (ep_ring->dequeue != td->last_trb) | ||
| 1839 | inc_deq(xhci, ep_ring); | ||
| 1840 | inc_deq(xhci, ep_ring); | 1837 | inc_deq(xhci, ep_ring); |
| 1841 | } | 1838 | inc_deq(xhci, ep_ring); |
| 1839 | } | ||
| 1842 | 1840 | ||
| 1843 | td_cleanup: | 1841 | td_cleanup: |
| 1844 | /* Clean up the endpoint's TD list */ | 1842 | /* Clean up the endpoint's TD list */ |
| 1845 | urb = td->urb; | 1843 | urb = td->urb; |
| 1846 | urb_priv = urb->hcpriv; | 1844 | urb_priv = urb->hcpriv; |
| 1847 | 1845 | ||
| 1848 | /* Do one last check of the actual transfer length. | 1846 | /* Do one last check of the actual transfer length. |
| 1849 | * If the host controller said we transferred more data than | 1847 | * If the host controller said we transferred more data than the buffer |
| 1850 | * the buffer length, urb->actual_length will be a very big | 1848 | * length, urb->actual_length will be a very big number (since it's |
| 1851 | * number (since it's unsigned). Play it safe and say we didn't | 1849 | * unsigned). Play it safe and say we didn't transfer anything. |
| 1852 | * transfer anything. | 1850 | */ |
| 1853 | */ | 1851 | if (urb->actual_length > urb->transfer_buffer_length) { |
| 1854 | if (urb->actual_length > urb->transfer_buffer_length) { | 1852 | xhci_warn(xhci, "URB transfer length is wrong, xHC issue? req. len = %u, act. len = %u\n", |
| 1855 | xhci_warn(xhci, "URB transfer length is wrong, " | 1853 | urb->transfer_buffer_length, |
| 1856 | "xHC issue? req. len = %u, " | 1854 | urb->actual_length); |
| 1857 | "act. len = %u\n", | 1855 | urb->actual_length = 0; |
| 1858 | urb->transfer_buffer_length, | 1856 | if (td->urb->transfer_flags & URB_SHORT_NOT_OK) |
| 1859 | urb->actual_length); | 1857 | *status = -EREMOTEIO; |
| 1860 | urb->actual_length = 0; | 1858 | else |
| 1861 | if (td->urb->transfer_flags & URB_SHORT_NOT_OK) | 1859 | *status = 0; |
| 1862 | *status = -EREMOTEIO; | 1860 | } |
| 1863 | else | 1861 | list_del_init(&td->td_list); |
| 1864 | *status = 0; | 1862 | /* Was this TD slated to be cancelled but completed anyway? */ |
| 1865 | } | 1863 | if (!list_empty(&td->cancelled_td_list)) |
| 1866 | list_del_init(&td->td_list); | 1864 | list_del_init(&td->cancelled_td_list); |
| 1867 | /* Was this TD slated to be cancelled but completed anyway? */ | 1865 | |
| 1868 | if (!list_empty(&td->cancelled_td_list)) | 1866 | urb_priv->td_cnt++; |
| 1869 | list_del_init(&td->cancelled_td_list); | 1867 | /* Giveback the urb when all the tds are completed */ |
| 1870 | 1868 | if (urb_priv->td_cnt == urb_priv->length) { | |
| 1871 | urb_priv->td_cnt++; | 1869 | ret = 1; |
| 1872 | /* Giveback the urb when all the tds are completed */ | 1870 | if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { |
| 1873 | if (urb_priv->td_cnt == urb_priv->length) { | 1871 | xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--; |
| 1874 | ret = 1; | 1872 | if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs == 0) { |
| 1875 | if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { | 1873 | if (xhci->quirks & XHCI_AMD_PLL_FIX) |
| 1876 | xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs--; | 1874 | usb_amd_quirk_pll_enable(); |
| 1877 | if (xhci_to_hcd(xhci)->self.bandwidth_isoc_reqs | ||
| 1878 | == 0) { | ||
| 1879 | if (xhci->quirks & XHCI_AMD_PLL_FIX) | ||
| 1880 | usb_amd_quirk_pll_enable(); | ||
| 1881 | } | ||
| 1882 | } | 1875 | } |
| 1883 | } | 1876 | } |
| 1884 | } | 1877 | } |
