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authorAaron Lu <aaron.lu@intel.com>2012-08-15 17:08:12 +0800
committerJeff Garzik <jgarzik@redhat.com>2012-08-17 13:29:27 -0400
commit834009170986f295c5eca37c76c59f1b28670d69 (patch)
tree2e2ac6554f41d3410925064d8f04da490bafdec3 /drivers/ata/libata-acpi.c
parent389cd784969e9148fedcde0608f15bd74d6b769e (diff)
downloadop-kernel-dev-834009170986f295c5eca37c76c59f1b28670d69.zip
op-kernel-dev-834009170986f295c5eca37c76c59f1b28670d69.tar.gz
[libata] acpi: call ata_acpi_gtm during ata port init time
Commit 30dcf76acc695cbd2fa919e294670fe9552e16e7 mistakenly dropped the code to get an initial gtm for the IDE channel. This caused the following problem for Sergei: http://marc.info/?l=linux-kernel&m=134484963618457&w=2 Fix this by adding the call back in ata_acpi_bind_host, and due to this, the ata_ap_acpi_handle is modified accordingly. Tested-by: Sergei Trofimovich <slyich@gmail.com> Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-acpi.c')
-rw-r--r--drivers/ata/libata-acpi.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 902b5a4..fd9ecf7 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -60,17 +60,7 @@ acpi_handle ata_ap_acpi_handle(struct ata_port *ap)
if (ap->flags & ATA_FLAG_ACPI_SATA)
return NULL;
- /*
- * If acpi bind operation has already happened, we can get the handle
- * for the port by checking the corresponding scsi_host device's
- * firmware node, otherwise we will need to find out the handle from
- * its parent's acpi node.
- */
- if (ap->scsi_host)
- return DEVICE_ACPI_HANDLE(&ap->scsi_host->shost_gendev);
- else
- return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev),
- ap->port_no);
+ return acpi_get_child(DEVICE_ACPI_HANDLE(ap->host->dev), ap->port_no);
}
EXPORT_SYMBOL(ata_ap_acpi_handle);
@@ -1101,6 +1091,9 @@ static int ata_acpi_bind_host(struct ata_port *ap, acpi_handle *handle)
if (!*handle)
return -ENODEV;
+ if (ata_acpi_gtm(ap, &ap->__acpi_init_gtm) == 0)
+ ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
+
return 0;
}
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