diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-09-30 09:29:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-09-30 09:29:27 +0200 |
| commit | ccf79c238f1a06a801b4c4449b9bc8a42be2c7bc (patch) | |
| tree | e9b0f1a4c2f324c6fb107e276b09894ae480baa6 /drivers/usb/host/xhci-ring.c | |
| parent | x86/hyperv: Fix the build in the !CONFIG_KEXEC_CORE case (diff) | |
| parent | Linux 4.3-rc3 (diff) | |
| download | linux-ccf79c238f1a06a801b4c4449b9bc8a42be2c7bc.tar.xz linux-ccf79c238f1a06a801b4c4449b9bc8a42be2c7bc.zip | |
Merge tag 'v4.3-rc3' into x86/urgent, before applying dependent fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index a47a1e897086..43291f93afeb 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -302,6 +302,15 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) ret = xhci_handshake(&xhci->op_regs->cmd_ring, CMD_RING_RUNNING, 0, 5 * 1000 * 1000); if (ret < 0) { + /* we are about to kill xhci, give it one more chance */ + xhci_write_64(xhci, temp_64 | CMD_RING_ABORT, + &xhci->op_regs->cmd_ring); + udelay(1000); + ret = xhci_handshake(&xhci->op_regs->cmd_ring, + CMD_RING_RUNNING, 0, 3 * 1000 * 1000); + if (ret == 0) + return 0; + xhci_err(xhci, "Stopped the command ring failed, " "maybe the host is dead\n"); xhci->xhc_state |= XHCI_STATE_DYING; @@ -3461,8 +3470,8 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (start_cycle == 0) field |= 0x1; - /* xHCI 1.0 6.4.1.2.1: Transfer Type field */ - if (xhci->hci_version == 0x100) { + /* xHCI 1.0/1.1 6.4.1.2.1: Transfer Type field */ + if (xhci->hci_version >= 0x100) { if (urb->transfer_buffer_length > 0) { if (setup->bRequestType & USB_DIR_IN) field |= TRB_TX_TYPE(TRB_DATA_IN); |