Commit b7db04d9 authored by Brian Norris's avatar Brian Norris Committed by Jeff Garzik
Browse files

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: default avatarBrian Norris <computersforpeace@gmail.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 1896b15e

drivers/ata/libata-core.c

+23 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/libata.h

+4 −0
Original line number Diff line number Diff line
@@ -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

 */