[PATCH] sata_sil24: convert to new reset mechanism
Convert sata_sil24 ->phy_reset to new reset mechanism.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 962396b..ccac05a 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -249,7 +249,7 @@
static u32 sil24_scr_read(struct ata_port *ap, unsigned sc_reg);
static void sil24_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val);
static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
-static void sil24_phy_reset(struct ata_port *ap);
+static int sil24_probe_reset(struct ata_port *ap, unsigned int *classes);
static void sil24_qc_prep(struct ata_queued_cmd *qc);
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
static void sil24_irq_clear(struct ata_port *ap);
@@ -306,7 +306,7 @@
.tf_read = sil24_tf_read,
- .phy_reset = sil24_phy_reset,
+ .probe_reset = sil24_probe_reset,
.qc_prep = sil24_qc_prep,
.qc_issue = sil24_qc_issue,
@@ -336,8 +336,8 @@
{
.sht = &sil24_sht,
.host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_SRST | ATA_FLAG_MMIO |
- ATA_FLAG_PIO_DMA | SIL24_NPORTS2FLAG(4),
+ ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+ SIL24_NPORTS2FLAG(4),
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x3f, /* udma0-5 */
@@ -347,8 +347,8 @@
{
.sht = &sil24_sht,
.host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_SRST | ATA_FLAG_MMIO |
- ATA_FLAG_PIO_DMA | SIL24_NPORTS2FLAG(2),
+ ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+ SIL24_NPORTS2FLAG(2),
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x3f, /* udma0-5 */
@@ -358,8 +358,8 @@
{
.sht = &sil24_sht,
.host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_SRST | ATA_FLAG_MMIO |
- ATA_FLAG_PIO_DMA | SIL24_NPORTS2FLAG(1),
+ ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+ SIL24_NPORTS2FLAG(1),
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x3f, /* udma0-5 */
@@ -428,7 +428,8 @@
*tf = pp->tf;
}
-static int sil24_issue_SRST(struct ata_port *ap)
+static int sil24_softreset(struct ata_port *ap, int verbose,
+ unsigned int *class)
{
void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
struct sil24_port_priv *pp = ap->private_data;
@@ -437,6 +438,8 @@
u32 irq_enable, irq_stat;
int cnt;
+ DPRINTK("ENTER\n");
+
/* temporarily turn off IRQs during SRST */
irq_enable = readl(port + PORT_IRQ_ENABLE_SET);
writel(irq_enable, port + PORT_IRQ_ENABLE_CLR);
@@ -466,30 +469,27 @@
/* restore IRQs */
writel(irq_enable, port + PORT_IRQ_ENABLE_SET);
- if (!(irq_stat & PORT_IRQ_COMPLETE))
- return -1;
+ if (sata_dev_present(ap)) {
+ if (!(irq_stat & PORT_IRQ_COMPLETE)) {
+ DPRINTK("EXIT, srst failed\n");
+ return -EIO;
+ }
- /* update TF */
- sil24_update_tf(ap);
+ sil24_update_tf(ap);
+ *class = ata_dev_classify(&pp->tf);
+ }
+ if (*class == ATA_DEV_UNKNOWN)
+ *class = ATA_DEV_NONE;
+
+ DPRINTK("EXIT, class=%u\n", *class);
return 0;
}
-static void sil24_phy_reset(struct ata_port *ap)
+static int sil24_probe_reset(struct ata_port *ap, unsigned int *classes)
{
- struct sil24_port_priv *pp = ap->private_data;
-
- __sata_phy_reset(ap);
- if (ap->flags & ATA_FLAG_PORT_DISABLED)
- return;
-
- if (sil24_issue_SRST(ap) < 0) {
- printk(KERN_ERR DRV_NAME
- " ata%u: SRST failed, disabling port\n", ap->id);
- ap->ops->port_disable(ap);
- return;
- }
-
- ap->device->class = ata_dev_classify(&pp->tf);
+ return ata_drive_probe_reset(ap, ata_std_probeinit,
+ sil24_softreset, NULL,
+ ata_std_postreset, classes);
}
static inline void sil24_fill_sg(struct ata_queued_cmd *qc,