From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Norris Subject: [PATCH 04/14] libata: implement ata_platform_remove_one() Date: Fri, 2 Nov 2012 00:46:18 -0700 Message-ID: <1351842388-27210-5-git-send-email-computersforpeace@gmail.com> References: <1351842388-27210-1-git-send-email-computersforpeace@gmail.com> Return-path: Received: from mail-pa0-f46.google.com ([209.85.220.46]:36961 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754179Ab2KBHq4 (ORCPT ); Fri, 2 Nov 2012 03:46:56 -0400 Received: by mail-pa0-f46.google.com with SMTP id hz1so2299681pad.19 for ; Fri, 02 Nov 2012 00:46:55 -0700 (PDT) In-Reply-To: <1351842388-27210-1-git-send-email-computersforpeace@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: linux-ide@vger.kernel.org, Brian Norris , Tejun Heo 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 --- drivers/ata/libata-core.c | 23 +++++++++++++++++++++++ include/linux/libata.h | 4 ++++ 2 files changed, 27 insertions(+) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 611050d..820e47f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -67,6 +67,7 @@ #include #include #include +#include #include "libata.h" #include "libata-transport.h" @@ -6350,6 +6351,26 @@ 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) @@ -6844,6 +6865,8 @@ 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 464e67c..cedcd0f 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1103,6 +1103,10 @@ 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 */ -- 1.7.11.3