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ACPI / PCI: Make pci_slot built-in only, not a module

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As discussed in thread at https://patchwork.kernel.org/patch/1946851/,
there's no value in supporting CONFIG_ACPI_PCI_SLOT=m any more.
So change Kconfig and code to only support building pci_slot as
built-in driver.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Jiang Liu 2013-01-19 00:07:42 +08:00 committed by Bjorn Helgaas
parent a2766602ac
commit ab1a2e038f
4 changed files with 8 additions and 16 deletions
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5
drivers/acpi/Kconfig
View file

@ -308,7 +308,7 @@ config ACPI_DEBUG_FUNC_TRACE
is about half of the penalty and is rarely useful.
config ACPI_PCI_SLOT
tristate "PCI slot detection driver"
bool "PCI slot detection driver"
depends on SYSFS
default n
help
@ -317,9 +317,6 @@ config ACPI_PCI_SLOT
i.e., segment/bus/device/function tuples, with physical slots in
the system. If you are unsure, say N.
To compile this driver as a module, choose M here:
the module will be called pci_slot.
config X86_PM_TIMER
bool "Power Management Timer Support" if EXPERT
depends on X86

5
drivers/acpi/internal.h
View file

@ -67,6 +67,11 @@ struct acpi_ec {
extern struct acpi_ec *first_ec;
#ifdef CONFIG_ACPI_PCI_SLOT
void acpi_pci_slot_init(void);
#else
static inline void acpi_pci_slot_init(void) { }
#endif
int acpi_pci_root_init(void);
int acpi_ec_init(void);
int acpi_ec_ecdt_probe(void);

13
drivers/acpi/pci_slot.c
View file

@ -330,19 +330,8 @@ static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = {
{}
};
static int __init
acpi_pci_slot_init(void)
void __init acpi_pci_slot_init(void)
{
dmi_check_system(acpi_pci_slot_dmi_table);
acpi_pci_register_driver(&acpi_pci_slot_driver);
return 0;
}
static void __exit
acpi_pci_slot_exit(void)
{
acpi_pci_unregister_driver(&acpi_pci_slot_driver);
}
module_init(acpi_pci_slot_init);
module_exit(acpi_pci_slot_exit);

1
drivers/acpi/scan.c
View file

@ -1687,6 +1687,7 @@ int __init acpi_scan_init(void)
acpi_power_init();
acpi_pci_root_init();
acpi_pci_slot_init();
/*
* Enumerate devices in the ACPI namespace.