Make PCI reboot conditional on CONFIG_PCI set on the kernel configuration.
Signed-off-by: Sinan Kaya <[email protected]>
---
drivers/acpi/reboot.c | 8 ++++++++
1 file changed, 8 insertions(+)
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)
{
--
2.19.0
