Messages in this thread Patch in this message | | | From | Sinan Kaya <> | Subject | [PATCH v11 2/7] ACPI / OSL: Stub out acpi_os_(read/write)_pci_configurations() | Date | Tue, 18 Dec 2018 02:56:01 +0000 |
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Getting ready to allow CONFIG_PCI to be unset with ACPI enabled. Stub out acpi_os_read_pci_configuration and acpi_os_write_pci_configuration functions when CONFIG_PCI is not defined.
Signed-off-by: Sinan Kaya <okaya@kernel.org> --- drivers/acpi/osl.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index b48874b8e1ea..524fd5f33ea4 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -773,6 +773,7 @@ acpi_status acpi_os_read_pci_configuration(struct acpi_pci_id * pci_id, u32 reg, u64 *value, u32 width) { +#ifdef CONFIG_PCI int result, size; u32 value32; @@ -799,12 +800,19 @@ acpi_os_read_pci_configuration(struct acpi_pci_id * pci_id, u32 reg, *value = value32; 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 } 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) { @@ -826,6 +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
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