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authorTejun Heo <htejun@gmail.com>2008-04-07 22:47:21 +0900
committerJeff Garzik <jgarzik@redhat.com>2008-04-17 15:44:24 -0400
commit520d06f92b32d7abe5127d7cc46a819db0f384e6 (patch)
treefd4f9ce7fdfa4296a1e71457906500736ca27fa0 /drivers/ata/ahci.c
parent4c9bf4e799ce06a7378f1196587084802a414c03 (diff)
downloadlinux-520d06f92b32d7abe5127d7cc46a819db0f384e6.tar.gz
libata: remove check_status from non-SFF drivers
Now that all SFF stuff is separated out of core layer, core layer
doesn't call ops->[alt_]check_status().  In fact, no one calls them
for non-SFF drivers anymore.  Kill them.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ad5b6f384ba1..9642a7103cb6 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -247,7 +247,6 @@ static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
 static int ahci_port_start(struct ata_port *ap);
 static void ahci_port_stop(struct ata_port *ap);
 static void ahci_qc_prep(struct ata_queued_cmd *qc);
-static u8 ahci_check_status(struct ata_port *ap);
 static void ahci_freeze(struct ata_port *ap);
 static void ahci_thaw(struct ata_port *ap);
 static void ahci_pmp_attach(struct ata_port *ap);
@@ -292,9 +291,6 @@ static struct scsi_host_template ahci_sht = {
 static struct ata_port_operations ahci_ops = {
 	.inherits		= &sata_pmp_port_ops,
 
-	.sff_check_status	= ahci_check_status,
-	.sff_check_altstatus	= ahci_check_status,
-
 	.qc_defer		= sata_pmp_qc_defer_cmd_switch,
 	.qc_prep		= ahci_qc_prep,
 	.qc_issue		= ahci_qc_issue,
@@ -1185,11 +1181,12 @@ static int ahci_kick_engine(struct ata_port *ap, int force_restart)
 {
 	void __iomem *port_mmio = ap->ioaddr.cmd_addr;
 	struct ahci_host_priv *hpriv = ap->host->private_data;
+	u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
 	u32 tmp;
 	int busy, rc;
 
 	/* do we need to kick the port? */
-	busy = ahci_check_status(ap) & (ATA_BUSY | ATA_DRQ);
+	busy = status & (ATA_BUSY | ATA_DRQ);
 	if (!busy && !force_restart)
 		return 0;
 
@@ -1466,13 +1463,6 @@ static int ahci_pmp_softreset(struct ata_link *link, unsigned int *class,
 	return ahci_do_softreset(link, class, link->pmp, deadline);
 }
 
-static u8 ahci_check_status(struct ata_port *ap)
-{
-	void __iomem *mmio = ap->ioaddr.cmd_addr;
-
-	return readl(mmio + PORT_TFDATA) & 0xFF;
-}
-
 static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl)
 {
 	struct scatterlist *sg;