aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci/slot.c
diff options
context:
space:
mode:
authorKeith Busch <keith.busch@intel.com>2018-09-20 10:27:11 -0600
committerBjorn Helgaas <bhelgaas@google.com>2018-09-21 12:18:10 -0500
commitc4eed62a214330908eec11b0dc170d34fa50b412 (patch)
tree8c8f5bfc802300f7aab110888fd25bce0d1bbae2 /drivers/pci/slot.c
parentPCI/AER: Don't read upstream ports below fatal errors (diff)
downloadlinux-dev-c4eed62a214330908eec11b0dc170d34fa50b412.tar.xz
linux-dev-c4eed62a214330908eec11b0dc170d34fa50b412.zip
PCI/ERR: Use slot reset if available
The secondary bus reset may have link side effects that a hotplug capable port may incorrectly react to. Use the slot specific reset for hotplug ports, fixing the undesirable link down-up handling during error recovering. Signed-off-by: Keith Busch <keith.busch@intel.com> [bhelgaas: fold in https://lore.kernel.org/linux-pci/20180926152326.14821-1-keith.busch@intel.com for issue reported by Stephen Rothwell <sfr@canb.auug.org.au>] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Sinan Kaya <okaya@kernel.org>
Diffstat (limited to 'drivers/pci/slot.c')
-rw-r--r--drivers/pci/slot.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 145cd953b518..c46d5e1ff536 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -14,7 +14,6 @@
struct kset *pci_slots_kset;
EXPORT_SYMBOL_GPL(pci_slots_kset);
-static DEFINE_MUTEX(pci_slot_mutex);
static ssize_t pci_slot_attr_show(struct kobject *kobj,
struct attribute *attr, char *buf)