A user can issue a pci function level reset to a device using sysfs
entry /sys/bus/pci/devices/.../reset. A kernel driver handling the
pci device probably would like to know that such a reset has occured,
so this patch calls the pci_driver's slot_reset pci_error_handler.
Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>
---
drivers/pci/pci.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index b127fbda..1bfddc5 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3584,6 +3584,12 @@ int pci_reset_function(struct pci_dev *dev)
pci_dev_restore(dev);
+ if (!rc) {
+ const struct pci_error_handlers *err_handler = dev->driver ?
+ dev->driver->err_handler : NULL;
+ if (err_handler && err_handler->slot_reset)
+ err_handler->slot_reset(dev);
+ }
return rc;
}
EXPORT_SYMBOL_GPL(pci_reset_function);
--
1.7.10.4
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