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>
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 51a7c06..15a4067 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -336,12 +336,10 @@
struct sil24_port_priv {
union sil24_cmd_block *cmd_block; /* 32 cmd blocks */
dma_addr_t cmd_block_dma; /* DMA base addr for them */
- struct ata_taskfile tf; /* Cached taskfile registers */
int do_port_rst;
};
static void sil24_dev_config(struct ata_device *dev);
-static u8 sil24_check_status(struct ata_port *ap);
static int sil24_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val);
static int sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val);
static int sil24_qc_defer(struct ata_queued_cmd *qc);
@@ -401,8 +399,6 @@
static struct ata_port_operations sil24_ops = {
.inherits = &sata_pmp_port_ops,
- .sff_check_status = sil24_check_status,
- .sff_check_altstatus = sil24_check_status,
.qc_defer = sil24_qc_defer,
.qc_prep = sil24_qc_prep,
.qc_issue = sil24_qc_issue,
@@ -492,12 +488,6 @@
ata_tf_from_fis(fis, tf);
}
-static u8 sil24_check_status(struct ata_port *ap)
-{
- struct sil24_port_priv *pp = ap->private_data;
- return pp->tf.command;
-}
-
static int sil24_scr_map[] = {
[SCR_CONTROL] = 0,
[SCR_STATUS] = 1,
@@ -1074,10 +1064,9 @@
}
/* record error info */
- if (qc) {
- sil24_read_tf(ap, qc->tag, &pp->tf);
+ if (qc)
qc->err_mask |= err_mask;
- } else
+ else
ehi->err_mask |= err_mask;
ehi->action |= action;
@@ -1210,8 +1199,6 @@
if (!pp)
return -ENOMEM;
- pp->tf.command = ATA_DRDY;
-
cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL);
if (!cb)
return -ENOMEM;
