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authorTejun Heo <htejun@gmail.com>2007-03-02 17:32:47 +0900
committerJeff Garzik <jeff@garzik.org>2007-03-02 18:30:35 -0500
commit6ffa01d88c9dd45e2ed917b5eeeb494d07efb1ab (patch)
tree3fe262ccaa1c0f8c5e5d187216d8bfc70db34d95 /drivers/ata/libata-eh.c
parent438ac6d5e3f8106a6bd1a5682c508d660294a85d (diff)
libata: add CONFIG_PM to libata core layer
Conditionalize all PM related stuff in libata core layer using CONFIG_PM. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-eh.c')
-rw-r--r--drivers/ata/libata-eh.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index cad0d6db6df..7349c3dbf77 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -52,8 +52,33 @@ enum {
static void __ata_port_freeze(struct ata_port *ap);
static void ata_eh_finish(struct ata_port *ap);
+#ifdef CONFIG_PM
static void ata_eh_handle_port_suspend(struct ata_port *ap);
static void ata_eh_handle_port_resume(struct ata_port *ap);
+static int ata_eh_suspend(struct ata_port *ap,
+ struct ata_device **r_failed_dev);
+static void ata_eh_prep_resume(struct ata_port *ap);
+static int ata_eh_resume(struct ata_port *ap, struct ata_device **r_failed_dev);
+#else /* CONFIG_PM */
+static void ata_eh_handle_port_suspend(struct ata_port *ap)
+{ }
+
+static void ata_eh_handle_port_resume(struct ata_port *ap)
+{ }
+
+static int ata_eh_suspend(struct ata_port *ap, struct ata_device **r_failed_dev)
+{
+ return 0;
+}
+
+static void ata_eh_prep_resume(struct ata_port *ap)
+{ }
+
+static int ata_eh_resume(struct ata_port *ap, struct ata_device **r_failed_dev)
+{
+ return 0;
+}
+#endif /* CONFIG_PM */
static void ata_ering_record(struct ata_ering *ering, int is_io,
unsigned int err_mask)
@@ -1790,6 +1815,7 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap,
return rc;
}
+#ifdef CONFIG_PM
/**
* ata_eh_suspend - handle suspend EH action
* @ap: target host port
@@ -1947,6 +1973,7 @@ static int ata_eh_resume(struct ata_port *ap, struct ata_device **r_failed_dev)
DPRINTK("EXIT\n");
return 0;
}
+#endif /* CONFIG_PM */
static int ata_port_nr_enabled(struct ata_port *ap)
{
@@ -2249,6 +2276,7 @@ void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
ata_eh_finish(ap);
}
+#ifdef CONFIG_PM
/**
* ata_eh_handle_port_suspend - perform port suspend operation
* @ap: port to suspend
@@ -2364,3 +2392,4 @@ static void ata_eh_handle_port_resume(struct ata_port *ap)
}
spin_unlock_irqrestore(ap->lock, flags);
}
+#endif /* CONFIG_PM */