From patchwork Mon Jun 18 06:25:58 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v5,04/12] libata: use correct PCI devices From: Lin Ming X-Patchwork-Id: 165399 X-Patchwork-Delegate: davem@davemloft.net Message-Id: <1340000766-129148-5-git-send-email-ming.m.lin@intel.com> To: Jeff Garzik , Aaron Lu , Holger Macht , Matthew Garrett , Alan Cox , David Woodhouse Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org Date: Mon, 18 Jun 2012 14:25:58 +0800 From: Holger Macht 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 Signed-off-by: Lin Ming --- 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);