| Message ID | 1368550322-1045-12-git-send-email-jiang.liu@huawei.com (mailing list archive) |
|---|---|
| State | RFC, archived |
| Headers | show |
On Wednesday, May 15, 2013 12:51:56 AM Jiang Liu wrote: > Enhance ACPI reset drvier to use hotplug-safe iterators to walk PCI buses. > > Signed-off-by: Jiang Liu <jiang.liu@huawei.com> > Cc: Len Brown <lenb@kernel.org> > Cc: "Rafael J. Wysocki" <rjw@sisk.pl> > Cc: linux-acpi@vger.kernel.org > Cc: linux-kernel@vger.kernel.org Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > --- > drivers/acpi/reboot.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c > index a6c77e8b..532dd6d 100644 > --- a/drivers/acpi/reboot.c > +++ b/drivers/acpi/reboot.c > @@ -33,7 +33,7 @@ void acpi_reboot(void) > switch (rr->space_id) { > case ACPI_ADR_SPACE_PCI_CONFIG: > /* The reset register can only live on bus 0. */ > - bus0 = pci_find_bus(0, 0); > + bus0 = pci_get_bus(0, 0); > if (!bus0) > return; > /* Form PCI device/function pair. */ > @@ -43,6 +43,7 @@ void acpi_reboot(void) > /* Write the value that resets us. */ > pci_bus_write_config_byte(bus0, devfn, > (rr->address & 0xffff), reset_value); > + pci_bus_put(bus0); > break; > > case ACPI_ADR_SPACE_SYSTEM_MEMORY: >
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index a6c77e8b..532dd6d 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -33,7 +33,7 @@ void acpi_reboot(void) switch (rr->space_id) { case ACPI_ADR_SPACE_PCI_CONFIG: /* The reset register can only live on bus 0. */ - bus0 = pci_find_bus(0, 0); + bus0 = pci_get_bus(0, 0); if (!bus0) return; /* Form PCI device/function pair. */ @@ -43,6 +43,7 @@ void acpi_reboot(void) /* Write the value that resets us. */ pci_bus_write_config_byte(bus0, devfn, (rr->address & 0xffff), reset_value); + pci_bus_put(bus0); break; case ACPI_ADR_SPACE_SYSTEM_MEMORY:
Enhance ACPI reset drvier to use hotplug-safe iterators to walk PCI buses. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Len Brown <lenb@kernel.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/acpi/reboot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)