xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xhci: Use delayed_work instead of timer for command timeout

Browse Source 
This is preparation to fix abort operation race (See "xhci: Fix race
related to abort operation"). To make timeout sleepable, use
delayed_work instead of timer.

[change a newly added pending timer fix to pending work -Mathias]
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
OGAWA Hirofumi
2017-01-03 18:28:50 +02:00
committed by Greg Kroah-Hartman
parent 4dea70778c
commit cb4d5ce588
3 changed files with 21 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/usb/host/xhci-mem.c
View File

@@ -1829,7 +1829,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
int size;
int i, j, num_ports;
del_timer_sync(&xhci->cmd_timer);
cancel_delayed_work_sync(&xhci->cmd_timer);
/* Free the Event Ring Segment Table and the actual Event Ring */
size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
@@ -2376,9 +2376,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
INIT_LIST_HEAD(&xhci->cmd_list);
/* init command timeout timer */
setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout,
(unsigned long)xhci);
/* init command timeout work */
INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout);
page_size = readl(&xhci->op_regs->page_size);
xhci_dbg_trace(xhci, trace_xhci_dbg_init,