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| author | Tejun Heo <htejun@gmail.com> | 2007-07-16 14:29:39 +0900 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-20 08:02:10 -0400 |
| commit | e59f0dad33176a13803ff8a41cc639a06c43d381 (patch) | |
| tree | 3828b0d6b6bd2fd959c70aad338c17f7c0b178e0 /drivers/ata/sata_sil24.c | |
| parent | a9cf5e858100b2f82ad61028c26a1a3de11c4839 (diff) | |
| download | linux-e59f0dad33176a13803ff8a41cc639a06c43d381.tar.bz2 | |
sata_sil24: replace sil24_update_tf() with sil24_read_tf()
Replace sil24_update_tf() to sil24_read_tf() which reads TF into
passed int result TF argument and can read TFs of PMP links. This
will be used by PMP support.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/sata_sil24.c')
| -rw-r--r-- | drivers/ata/sata_sil24.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index a11007b5071e..5f8afa950043 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -464,15 +464,15 @@ static void sil24_dev_config(struct ata_device *dev) writel(PORT_CS_CDB16, port + PORT_CTRL_CLR); } -static inline void sil24_update_tf(struct ata_port *ap) +static void sil24_read_tf(struct ata_port *ap, int tag, struct ata_taskfile *tf) { - struct sil24_port_priv *pp = ap->private_data; void __iomem *port = ap->ioaddr.cmd_addr; - struct sil24_prb __iomem *prb = port; + struct sil24_prb __iomem *prb; u8 fis[6 * 4]; - memcpy_fromio(fis, prb->fis, 6 * 4); - ata_tf_from_fis(fis, &pp->tf); + prb = port + PORT_LRAM + sil24_tag(tag) * PORT_LRAM_SLOT_SZ; + memcpy_fromio(fis, prb->fis, sizeof(fis)); + ata_tf_from_fis(fis, tf); } static u8 sil24_check_status(struct ata_port *ap) @@ -538,6 +538,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class, struct sil24_port_priv *pp = ap->private_data; struct sil24_prb *prb = &pp->cmd_block[0].ata.prb; dma_addr_t paddr = pp->cmd_block_dma; + struct ata_taskfile tf; u32 mask, irq_stat; const char *reason; @@ -577,8 +578,8 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class, goto err; } - sil24_update_tf(ap); - *class = ata_dev_classify(&pp->tf); + sil24_read_tf(ap, 0, &tf); + *class = ata_dev_classify(&tf); if (*class == ATA_DEV_UNKNOWN) *class = ATA_DEV_NONE; @@ -754,6 +755,7 @@ static void sil24_thaw(struct ata_port *ap) static void sil24_error_intr(struct ata_port *ap) { void __iomem *port = ap->ioaddr.cmd_addr; + struct sil24_port_priv *pp = ap->private_data; struct ata_eh_info *ehi = &ap->eh_info; int freeze = 0; u32 irq_stat; @@ -808,7 +810,7 @@ static void sil24_error_intr(struct ata_port *ap) /* record error info */ qc = ata_qc_from_tag(ap, ap->active_tag); if (qc) { - sil24_update_tf(ap); + sil24_read_tf(ap, qc->tag, &pp->tf); qc->err_mask |= err_mask; } else ehi->err_mask |= err_mask; @@ -825,8 +827,11 @@ static void sil24_error_intr(struct ata_port *ap) static void sil24_finish_qc(struct ata_queued_cmd *qc) { + struct ata_port *ap = qc->ap; + struct sil24_port_priv *pp = ap->private_data; + if (qc->flags & ATA_QCFLAG_RESULT_TF) - sil24_update_tf(qc->ap); + sil24_read_tf(ap, qc->tag, &pp->tf); } static inline void sil24_host_intr(struct ata_port *ap) |