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authorTejun Heo <tj@kernel.org>2010-05-10 23:41:35 +0400
committerJeff Garzik <jgarzik@redhat.com>2010-05-19 21:34:10 +0400
commit270390e1ae1818b111543b8bfffa08095d73c1a5 (patch)
treebe6145d1a3ea7d2e80f303a62c5f9ba5a753c0f5 /drivers/ata/libata-sff.c
parentc7087652e1890a3feef35b30ee1d4be68e1932cd (diff)
downloadlinux-270390e1ae1818b111543b8bfffa08095d73c1a5.tar.xz
libata-sff: introduce ata_sff_init/exit() and ata_sff_port_init()
In preparation of proper SFF/BMDMA separation, introduce ata_sff_init/exit() and ata_sff_port_init(). These functions currently don't do anything. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata-sff.c')
-rw-r--r--drivers/ata/libata-sff.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index f1c99a3e8b2c..4a3d1f214457 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -3061,3 +3061,26 @@ void ata_pci_bmdma_init(struct ata_host *host)
EXPORT_SYMBOL_GPL(ata_pci_bmdma_init);
#endif /* CONFIG_PCI */
+
+/**
+ * ata_sff_port_init - Initialize SFF/BMDMA ATA port
+ * @ap: Port to initialize
+ *
+ * Called on port allocation to initialize SFF/BMDMA specific
+ * fields.
+ *
+ * LOCKING:
+ * None.
+ */
+void ata_sff_port_init(struct ata_port *ap)
+{
+}
+
+int __init ata_sff_init(void)
+{
+ return 0;
+}
+
+void __exit ata_sff_exit(void)
+{
+}