From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 2/7] libata: implement ata_host_detach() Date: Sat, 20 Jan 2007 16:00:26 +0900 Message-ID: <1169276426417-git-send-email-htejun@gmail.com> References: <11692764262700-git-send-email-htejun@gmail.com> Reply-To: Tejun Heo Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from wx-out-0506.google.com ([66.249.82.234]:8280 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965176AbXATHAf (ORCPT ); Sat, 20 Jan 2007 02:00:35 -0500 Received: by wx-out-0506.google.com with SMTP id h31so729723wxd for ; Fri, 19 Jan 2007 23:00:35 -0800 (PST) In-Reply-To: <11692764262700-git-send-email-htejun@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: jgarzik@pobox.com, gregkh@suse.de, alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Cc: Tejun Heo Implement ata_host_detach() which calls ata_port_detach() for each port in the host and export it. ata_port_detach() is now internal and thus un-exported. ata_host_detach() will be used as the 'deregister from libata layer' function after devres conversion. Signed-off-by: Tejun Heo --- drivers/ata/ahci.c | 3 +-- drivers/ata/libata-core.c | 22 +++++++++++++++++++--- include/linux/libata.h | 2 +- 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 5998f74..d089217 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1767,8 +1767,7 @@ static void ahci_remove_one (struct pci_dev *pdev) unsigned int i; int have_msi; - for (i = 0; i < host->n_ports; i++) - ata_port_detach(host->ports[i]); + ata_host_detach(host); have_msi = hpriv->flags & AHCI_FLAG_MSI; free_irq(host->irq, host); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 8315ee6..20a943f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6002,6 +6002,23 @@ void ata_port_detach(struct ata_port *ap) } /** + * ata_host_detach - Detach all ports of an ATA host + * @host: Host to detach + * + * Detach all ports of @host. + * + * LOCKING: + * Kernel thread context (may sleep). + */ +void ata_host_detach(struct ata_host *host) +{ + int i; + + for (i = 0; i < host->n_ports; i++) + ata_port_detach(host->ports[i]); +} + +/** * ata_host_remove - PCI layer callback for device removal * @host: ATA host set that was removed * @@ -6016,8 +6033,7 @@ void ata_host_remove(struct ata_host *host) { unsigned int i; - for (i = 0; i < host->n_ports; i++) - ata_port_detach(host->ports[i]); + ata_host_detach(host); free_irq(host->irq, host); if (host->irq2) @@ -6392,7 +6408,7 @@ EXPORT_SYMBOL_GPL(ata_std_bios_param); EXPORT_SYMBOL_GPL(ata_std_ports); EXPORT_SYMBOL_GPL(ata_host_init); EXPORT_SYMBOL_GPL(ata_device_add); -EXPORT_SYMBOL_GPL(ata_port_detach); +EXPORT_SYMBOL_GPL(ata_host_detach); EXPORT_SYMBOL_GPL(ata_host_remove); EXPORT_SYMBOL_GPL(ata_sg_init); EXPORT_SYMBOL_GPL(ata_sg_init_one); diff --git a/include/linux/libata.h b/include/linux/libata.h index 09c110a..8bad682 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -718,7 +718,7 @@ extern int ata_pci_device_resume(struct pci_dev *pdev); extern int ata_pci_clear_simplex(struct pci_dev *pdev); #endif /* CONFIG_PCI */ extern int ata_device_add(const struct ata_probe_ent *ent); -extern void ata_port_detach(struct ata_port *ap); +extern void ata_host_detach(struct ata_host *host); extern void ata_host_init(struct ata_host *, struct device *, unsigned long, const struct ata_port_operations *); extern void ata_host_remove(struct ata_host *host); -- 1.4.4.4