[PATCH v6 3/5] ACPI / OSL: Stub out acpi_os_write_pci_configuration when CONFIG_PCI is unset

Sinan Kaya
2018-12-12T17:19:38Z

Getting ready to allow CONFIG_PCI to be disabled with ACPI enabled. Stub
out acpi_os_write_pci_configuration function that depend on PCI.

Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
drivers/acpi/osl.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index fb92b8a0ad31..524fd5f33ea4 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -812,6 +812,7 @@ acpi_status
acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id, u32 reg,
u64 value, u32 width)
{
+#ifdef CONFIG_PCI
int result, size;

switch (width) {
@@ -833,6 +834,12 @@ acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id, u32 reg,
reg, size, value);

return (result ? AE_ERROR : AE_OK);
+#else
+ int rc;
+
+ rc = pr_warn_once("PCI configuration space access is not supported\n");
+ return rc ? AE_SUPPORT : AE_OK;
+#endif
}

static void acpi_os_execute_deferred(struct work_struct *work)
--
2.19.0