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authorIngo Molnar <mingo@kernel.org>2017-08-11 14:51:59 +0300
committerIngo Molnar <mingo@kernel.org>2017-08-11 14:51:59 +0300
commit040cca3ab2f6f8b8d26e0e4965abea2b9aa14818 (patch)
tree25709ba52ee06fccf4bfbfbf2897bb8cf86da828 /drivers/usb/host/xhci-pci.c
parentef0758dd0fd70b98b889af26e27f003656952db8 (diff)
parentb2dbdf2ca1d2803e9cdc46a94554c4a39ffb235a (diff)
downloadlinux-040cca3ab2f6f8b8d26e0e4965abea2b9aa14818.tar.xz
Merge branch 'linus' into locking/core, to resolve conflicts
Conflicts: include/linux/mm_types.h mm/huge_memory.c I removed the smp_mb__before_spinlock() like the following commit does: 8b1b436dd1cc ("mm, locking: Rework {set,clear,mm}_tlb_flush_pending()") and fixed up the affected commits. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
-rw-r--r--drivers/usb/host/xhci-pci.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 5b0fa553c8bc..8071c8fdd15e 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -284,6 +284,13 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
driver = (struct hc_driver *)id->driver_data;
+ /* For some HW implementation, a XHCI reset is just not enough... */
+ if (usb_xhci_needs_pci_reset(dev)) {
+ dev_info(&dev->dev, "Resetting\n");
+ if (pci_reset_function_locked(dev))
+ dev_warn(&dev->dev, "Reset failed");
+ }
+
/* Prevent runtime suspending between USB-2 and USB-3 initialization */
pm_runtime_get_noresume(&dev->dev);