From e35a9e01f2a504871e70576a9e11dbe4d8dee456 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Mon, 27 Mar 2006 18:46:37 +0100
Subject: [PATCH] libata: Add ->set_mode hook for odd drivers
Some hardware doesn't want the usual mode setup logic running. This
allows the hardware driver to replace it for special cases in the least
invasive way possible.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/scsi/libata-core.c | 6 +++++-
include/linux/libata.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 86310562da8b..10933cb722e6 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1409,7 +1409,11 @@ static int ata_bus_probe(struct ata_port *ap)
if (!found)
goto err_out_disable;
- ata_set_mode(ap);
+ if (ap->ops->set_mode)
+ ap->ops->set_mode(ap);
+ else
+ ata_set_mode(ap);
+
if (ap->flags & ATA_FLAG_PORT_DISABLED)
goto err_out_disable;
diff --git a/include/linux/libata.h b/include/linux/libata.h
index a5c213ce97c9..6a9316cbb70b 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -433,6 +433,7 @@ struct ata_port_operations {
void (*dev_select)(struct ata_port *ap, unsigned int device);
void (*phy_reset) (struct ata_port *ap); /* obsolete */
+ void (*set_mode) (struct ata_port *ap);
int (*probe_reset) (struct ata_port *ap, unsigned int *classes);
void (*post_set_mode) (struct ata_port *ap);
--
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