diff mbox series

[v12,2/7] ACPI: Allow CONFIG_PCI to be unset for reboot

Message ID 20181219224659.4802-3-okaya@kernel.org (mailing list archive)
State Accepted, archived
Delegated to: Rafael Wysocki
Headers show
Series ACPI: Allow ACPI to be built without CONFIG_PCI set | expand

Commit Message

Sinan Kaya Dec. 19, 2018, 10:46 p.m. UTC 
Make PCI reboot conditional on CONFIG_PCI set on the kernel configuration.

Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
 drivers/acpi/reboot.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index d642a9dede52..ca707f5b521d 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -4,6 +4,7 @@ 
 #include <linux/acpi.h>
 #include <acpi/reboot.h>
 
+#ifdef CONFIG_PCI
 static void acpi_pci_reboot(struct acpi_generic_address *rr, u8 reset_value)
 {
 	unsigned int devfn;
@@ -21,6 +22,13 @@  static void acpi_pci_reboot(struct acpi_generic_address *rr, u8 reset_value)
 	pci_bus_write_config_byte(bus0, devfn,
 			(rr->address & 0xffff), reset_value);
 }
+#else
+static inline void acpi_pci_reboot(struct acpi_generic_address *rr,
+				   u8 reset_value)
+{
+	pr_warn_once("PCI configuration space access is not supported\n");
+}
+#endif
 
 void acpi_reboot(void)
 {