[libata] new driver acard_ahci, for ATP8620 host controller

Add support for Acard ATP8620 host controller.

Based upon initial version by Jeff Garzik.

Signed-off-by: David Milburn <dmilburn@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index ebc08d65b3dd..26d452339e98 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -87,10 +87,7 @@ static int ahci_hardreset(struct ata_link *link, unsigned int *class,
 static void ahci_postreset(struct ata_link *link, unsigned int *class);
 static void ahci_error_handler(struct ata_port *ap);
 static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);
-static int ahci_port_resume(struct ata_port *ap);
 static void ahci_dev_config(struct ata_device *dev);
-static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
-                               u32 opts);
 #ifdef CONFIG_PM
 static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg);
 #endif
@@ -1133,8 +1130,8 @@ static unsigned int ahci_dev_classify(struct ata_port *ap)
         return ata_dev_classify(&tf);
 }
 
-static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
-                               u32 opts)
+void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
+                        u32 opts)
 {
         dma_addr_t cmd_tbl_dma;
 
@@ -1145,6 +1142,7 @@ static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
         pp->cmd_slot[tag].tbl_addr = cpu_to_le32(cmd_tbl_dma & 0xffffffff);
         pp->cmd_slot[tag].tbl_addr_hi = cpu_to_le32((cmd_tbl_dma >> 16) >> 16);
 }
+EXPORT_SYMBOL_GPL(ahci_fill_cmd_slot);
 
 int ahci_kick_engine(struct ata_port *ap)
 {
@@ -1918,7 +1916,7 @@ static void ahci_pmp_detach(struct ata_port *ap)
         writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
 }
 
-static int ahci_port_resume(struct ata_port *ap)
+int ahci_port_resume(struct ata_port *ap)
 {
         ahci_power_up(ap);
         ahci_start_port(ap);
@@ -1930,6 +1928,7 @@ static int ahci_port_resume(struct ata_port *ap)
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(ahci_port_resume);
 
 #ifdef CONFIG_PM
 static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)