linux-kernel - [PATCH v5 04/12] libata: use correct PCI devices

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Date:	Mon, 18 Jun 2012 14:25:58 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	Jeff Garzik <jgarzik@...ox.com>, Aaron Lu <aaron.lu@....com>,
	Holger Macht <holger@...ac.de>,
	Matthew Garrett <mjg@...hat.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	David Woodhouse <David.Woodhouse@...el.com>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-ide@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: [PATCH v5 04/12] libata: use correct PCI devices

From: Holger Macht <holger@...ac.de>

Commit 9a6d6a2ddabbd32c07f6a38b659e5f3db319fa5a made ata ports parent
devices of scsi hosts, so we need to go yet another level up to be able
to use the correct PCI devices.

Signed-off-by: Holger Macht <holger@...ac.de>
Signed-off-by: Lin Ming <ming.m.lin@...el.com>
---
 drivers/ata/libata-acpi.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index adc6336..98826e96 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -987,7 +987,7 @@ static int ata_acpi_bind_host(struct device *dev, int host, acpi_handle *handle)
 	if (ap->flags & ATA_FLAG_ACPI_SATA)
 		return -ENODEV;
 
-	*handle = acpi_get_child(DEVICE_ACPI_HANDLE(dev->parent), ap->port_no);
+	*handle = acpi_get_child(DEVICE_ACPI_HANDLE(dev->parent->parent), ap->port_no);
 
 	if (!*handle)
 		return -ENODEV;
@@ -1021,13 +1021,13 @@ static int ata_acpi_find_device(struct device *dev, acpi_handle *handle)
 	unsigned int host, channel, id, lun;
 
 	if (sscanf(dev_name(dev), "host%u", &host) == 1) {
-		if (!compat_pci_ata(dev->parent))
+		if (!compat_pci_ata(dev->parent->parent))
 			return -ENODEV;
 
 		return ata_acpi_bind_host(dev, host, handle);
 	} else if (sscanf(dev_name(dev), "%d:%d:%d:%d",
 			&host, &channel, &id, &lun) == 4) {
-		if (!compat_pci_ata(dev->parent->parent->parent))
+		if (!compat_pci_ata(dev->parent->parent->parent->parent))
 			return -ENODEV;
 
 		return ata_acpi_bind_device(dev, channel, id, handle);
-- 
1.7.10

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