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>
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@ -67,6 +67,7 @@
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#include <linux/cdrom.h>
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#include <linux/ratelimit.h>
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#include <linux/pm_runtime.h>
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#include <linux/platform_device.h>
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#include "libata.h"
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#include "libata-transport.h"
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@ -6382,6 +6383,26 @@ int ata_pci_device_resume(struct pci_dev *pdev)
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#endif /* CONFIG_PCI */
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/**
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* ata_platform_remove_one - Platform layer callback for device removal
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* @pdev: Platform device that was removed
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*
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* Platform layer indicates to libata via this hook that hot-unplug or
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* module unload event has occurred. Detach all ports. Resource
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* release is handled via devres.
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*
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* LOCKING:
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* Inherited from platform layer (may sleep).
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*/
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int ata_platform_remove_one(struct platform_device *pdev)
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{
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struct ata_host *host = platform_get_drvdata(pdev);
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ata_host_detach(host);
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return 0;
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}
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static int __init ata_parse_force_one(char **cur,
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struct ata_force_ent *force_ent,
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const char **reason)
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@ -6877,6 +6898,8 @@ EXPORT_SYMBOL_GPL(ata_pci_device_resume);
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#endif /* CONFIG_PM */
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#endif /* CONFIG_PCI */
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EXPORT_SYMBOL_GPL(ata_platform_remove_one);
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EXPORT_SYMBOL_GPL(__ata_ehi_push_desc);
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EXPORT_SYMBOL_GPL(ata_ehi_push_desc);
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EXPORT_SYMBOL_GPL(ata_ehi_clear_desc);
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@ -1115,6 +1115,10 @@ extern int ata_pci_device_resume(struct pci_dev *pdev);
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#endif /* CONFIG_PM */
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#endif /* CONFIG_PCI */
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struct platform_device;
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extern int ata_platform_remove_one(struct platform_device *pdev);
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/*
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* ACPI - drivers/ata/libata-acpi.c
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*/
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