diff options
| author | Brian Norris <computersforpeace@gmail.com> | 2012-11-02 12:29:32 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-12-03 05:15:17 -0500 |
| commit | b7db04d9264fca4b00e949da7b3180c50e243fca (patch) | |
| tree | 038ef53ed19ec37d4a47ab55f21bccc79843673c | |
| parent | 1896b15eddb4ff7266bccf3efa981885ecf80ab1 (diff) | |
libata: implement ata_platform_remove_one()
This relatively simple boiler-plate code is repeated in several platform
drivers. We should implement a common version in libata.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| -rw-r--r-- | drivers/ata/libata-core.c | 23 | ||||
| -rw-r--r-- | include/linux/libata.h | 4 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 583f26d6d45..8e3f4a90c08 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -67,6 +67,7 @@ #include <linux/cdrom.h> #include <linux/ratelimit.h> #include <linux/pm_runtime.h> +#include <linux/platform_device.h> #include "libata.h" #include "libata-transport.h" @@ -6382,6 +6383,26 @@ int ata_pci_device_resume(struct pci_dev *pdev) #endif /* CONFIG_PCI */ +/** + * ata_platform_remove_one - Platform layer callback for device removal + * @pdev: Platform device that was removed + * + * Platform layer indicates to libata via this hook that hot-unplug or + * module unload event has occurred. Detach all ports. Resource + * release is handled via devres. + * + * LOCKING: + * Inherited from platform layer (may sleep). + */ +int ata_platform_remove_one(struct platform_device *pdev) +{ + struct ata_host *host = platform_get_drvdata(pdev); + + ata_host_detach(host); + + return 0; +} + static int __init ata_parse_force_one(char **cur, struct ata_force_ent *force_ent, const char **reason) @@ -6877,6 +6898,8 @@ EXPORT_SYMBOL_GPL(ata_pci_device_resume); #endif /* CONFIG_PM */ #endif /* CONFIG_PCI */ +EXPORT_SYMBOL_GPL(ata_platform_remove_one); + EXPORT_SYMBOL_GPL(__ata_ehi_push_desc); EXPORT_SYMBOL_GPL(ata_ehi_push_desc); EXPORT_SYMBOL_GPL(ata_ehi_clear_desc); diff --git a/include/linux/libata.h b/include/linux/libata.h index e931c9ad107..83ba0ab2c91 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1115,6 +1115,10 @@ extern int ata_pci_device_resume(struct pci_dev *pdev); #endif /* CONFIG_PM */ #endif /* CONFIG_PCI */ +struct platform_device; + +extern int ata_platform_remove_one(struct platform_device *pdev); + /* * ACPI - drivers/ata/libata-acpi.c */ |