Messages in this thread Patch in this message | | | From | Jiang Liu <> | Subject | [PATCH v3, part2 13/20] PCI, ACPI: use hotplug-safe iterators to walk PCI buses | Date | Sun, 26 May 2013 23:53:10 +0800 |
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Enhance ACPI reset drvier to use hotplug-safe iterators to walk PCI buses.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- 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: -- 1.8.1.2
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