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authorTejun Heo <htejun@gmail.com>2008-04-07 15:47:21 +0200
committerJeff Garzik <jgarzik@redhat.com>2008-04-17 21:44:24 +0200
commit520d06f92b32d7abe5127d7cc46a819db0f384e6 (patch)
treefd4f9ce7fdfa4296a1e71457906500736ca27fa0 /drivers/ata/ahci.c
parentlibata: replace tf_read with qc_fill_rtf for non-SFF drivers (diff)
downloadlinux-520d06f92b32d7abe5127d7cc46a819db0f384e6.tar.xz
linux-520d06f92b32d7abe5127d7cc46a819db0f384e6.zip
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;