summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/sata_sil24.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/sata_sil24.c')
-rw-r--r--drivers/scsi/sata_sil24.c101
1 files changed, 52 insertions, 49 deletions
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 923130185a9e..5d01e5ce5ac5 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -249,9 +249,9 @@ static u8 sil24_check_status(struct ata_port *ap);
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 int sil24_qc_issue(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);
static void sil24_eng_timeout(struct ata_port *ap);
static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
@@ -262,6 +262,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
static const struct pci_device_id sil24_pci_tbl[] = {
{ 0x1095, 0x3124, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3124 },
+ { 0x8086, 0x3124, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3124 },
{ 0x1095, 0x3132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3132 },
{ 0x1095, 0x3131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3131 },
{ 0x1095, 0x3531, PCI_ANY_ID, PCI_ANY_ID, 0, 0, BID_SIL3131 },
@@ -284,7 +285,6 @@ static struct scsi_host_template sil24_sht = {
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
.sg_tablesize = LIBATA_MAX_PRD,
- .max_sectors = ATA_MAX_SECTORS,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
@@ -305,7 +305,7 @@ static const struct ata_port_operations sil24_ops = {
.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,
@@ -335,8 +335,8 @@ static struct ata_port_info sil24_port_info[] = {
{
.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 */
@@ -346,8 +346,8 @@ static struct ata_port_info sil24_port_info[] = {
{
.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 */
@@ -357,8 +357,8 @@ static struct ata_port_info sil24_port_info[] = {
{
.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 */
@@ -370,7 +370,7 @@ static void sil24_dev_config(struct ata_port *ap, struct ata_device *dev)
{
void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
- if (ap->cdb_len == 16)
+ if (dev->cdb_len == 16)
writel(PORT_CS_CDB16, port + PORT_CTRL_STAT);
else
writel(PORT_CS_CDB16, port + PORT_CTRL_CLR);
@@ -427,14 +427,23 @@ static void sil24_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
*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;
struct sil24_prb *prb = &pp->cmd_block[0].ata.prb;
dma_addr_t paddr = pp->cmd_block_dma;
+ unsigned long timeout = jiffies + ATA_TMOUT_BOOT * HZ;
u32 irq_enable, irq_stat;
- int cnt;
+
+ DPRINTK("ENTER\n");
+
+ if (!sata_dev_present(ap)) {
+ DPRINTK("PHY reports no device\n");
+ *class = ATA_DEV_NONE;
+ goto out;
+ }
/* temporarily turn off IRQs during SRST */
irq_enable = readl(port + PORT_IRQ_ENABLE_SET);
@@ -451,7 +460,7 @@ static int sil24_issue_SRST(struct ata_port *ap)
writel((u32)paddr, port + PORT_CMD_ACTIVATE);
- for (cnt = 0; cnt < 100; cnt++) {
+ do {
irq_stat = readl(port + PORT_IRQ_STAT);
writel(irq_stat, port + PORT_IRQ_STAT); /* clear irq */
@@ -459,36 +468,42 @@ static int sil24_issue_SRST(struct ata_port *ap)
if (irq_stat & (PORT_IRQ_COMPLETE | PORT_IRQ_ERROR))
break;
- msleep(1);
- }
+ msleep(100);
+ } while (time_before(jiffies, timeout));
/* restore IRQs */
writel(irq_enable, port + PORT_IRQ_ENABLE_SET);
- if (!(irq_stat & PORT_IRQ_COMPLETE))
- return -1;
+ if (!(irq_stat & PORT_IRQ_COMPLETE)) {
+ DPRINTK("EXIT, srst failed\n");
+ return -EIO;
+ }
- /* update TF */
sil24_update_tf(ap);
+ *class = ata_dev_classify(&pp->tf);
+
+ if (*class == ATA_DEV_UNKNOWN)
+ *class = ATA_DEV_NONE;
+
+ out:
+ DPRINTK("EXIT, class=%u\n", *class);
return 0;
}
-static void sil24_phy_reset(struct ata_port *ap)
+static int sil24_hardreset(struct ata_port *ap, int verbose,
+ unsigned int *class)
{
- struct sil24_port_priv *pp = ap->private_data;
+ unsigned int dummy_class;
- __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;
- }
+ /* sil24 doesn't report device signature after hard reset */
+ return sata_std_hardreset(ap, verbose, &dummy_class);
+}
- ap->device->class = ata_dev_classify(&pp->tf);
+static int sil24_probe_reset(struct ata_port *ap, unsigned int *classes)
+{
+ return ata_drive_probe_reset(ap, ata_std_probeinit,
+ sil24_softreset, sil24_hardreset,
+ ata_std_postreset, classes);
}
static inline void sil24_fill_sg(struct ata_queued_cmd *qc,
@@ -533,7 +548,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
prb = &cb->atapi.prb;
sge = cb->atapi.sge;
memset(cb->atapi.cdb, 0, 32);
- memcpy(cb->atapi.cdb, qc->cdb, ap->cdb_len);
+ memcpy(cb->atapi.cdb, qc->cdb, qc->dev->cdb_len);
if (qc->tf.protocol != ATA_PROT_ATAPI_NODATA) {
if (qc->tf.flags & ATA_TFLAG_WRITE)
@@ -557,7 +572,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
sil24_fill_sg(qc, sge);
}
-static int sil24_qc_issue(struct ata_queued_cmd *qc)
+static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
@@ -638,23 +653,10 @@ static void sil24_eng_timeout(struct ata_port *ap)
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (!qc) {
- printk(KERN_ERR "ata%u: BUG: timeout without command\n",
- ap->id);
- return;
- }
- /*
- * hack alert! We cannot use the supplied completion
- * function from inside the ->eh_strategy_handler() thread.
- * libata is the only user of ->eh_strategy_handler() in
- * any kernel, so the default scsi_done() assumes it is
- * not being called from the SCSI EH.
- */
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
- qc->scsidone = scsi_finish_command;
- qc->err_mask |= AC_ERR_OTHER;
- ata_qc_complete(qc);
+ qc->err_mask |= AC_ERR_TIMEOUT;
+ ata_eh_qc_complete(qc);
sil24_reset_controller(ap);
}
@@ -895,6 +897,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
probe_ent->sht = pinfo->sht;
probe_ent->host_flags = pinfo->host_flags;
probe_ent->pio_mask = pinfo->pio_mask;
+ probe_ent->mwdma_mask = pinfo->mwdma_mask;
probe_ent->udma_mask = pinfo->udma_mask;
probe_ent->port_ops = pinfo->port_ops;
probe_ent->n_ports = SIL24_FLAG2NPORTS(pinfo->host_flags);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 17:05:11 +0100