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path: root/drivers/scsi/sata_sil24.c
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Diffstat (limited to 'drivers/scsi/sata_sil24.c')
-rw-r--r--drivers/scsi/sata_sil24.c55
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index c9318bda46a3..6544226c1b28 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -480,6 +480,35 @@ static void sil24_eng_timeout(struct ata_port *ap)
480 sil24_reset_controller(ap); 480 sil24_reset_controller(ap);
481} 481}
482 482
483static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
484{
485 struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
486 struct sil24_port_priv *pp = ap->private_data;
487 void *port = pp->port;
488 u32 irq_stat, cmd_err, sstatus, serror;
489
490 irq_stat = readl(port + PORT_IRQ_STAT);
491 cmd_err = readl(port + PORT_CMD_ERR);
492 sstatus = readl(port + PORT_SSTATUS);
493 serror = readl(port + PORT_SERROR);
494
495 /* Clear IRQ/errors */
496 writel(irq_stat, port + PORT_IRQ_STAT);
497 if (cmd_err)
498 writel(cmd_err, port + PORT_CMD_ERR);
499 if (serror)
500 writel(serror, port + PORT_SERROR);
501
502 printk(KERN_ERR DRV_NAME " ata%u: error interrupt on port%d\n"
503 " stat=0x%x irq=0x%x cmd_err=%d sstatus=0x%x serror=0x%x\n",
504 ap->id, ap->port_no, slot_stat, irq_stat, cmd_err, sstatus, serror);
505
506 if (qc)
507 ata_qc_complete(qc, ATA_ERR);
508
509 sil24_reset_controller(ap);
510}
511
483static inline void sil24_host_intr(struct ata_port *ap) 512static inline void sil24_host_intr(struct ata_port *ap)
484{ 513{
485 struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); 514 struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
@@ -491,30 +520,8 @@ static inline void sil24_host_intr(struct ata_port *ap)
491 if (!(slot_stat & HOST_SSTAT_ATTN)) { 520 if (!(slot_stat & HOST_SSTAT_ATTN)) {
492 if (qc) 521 if (qc)
493 ata_qc_complete(qc, 0); 522 ata_qc_complete(qc, 0);
494 } else { 523 } else
495 u32 irq_stat, cmd_err, sstatus, serror; 524 sil24_error_intr(ap, slot_stat);
496
497 irq_stat = readl(port + PORT_IRQ_STAT);
498 cmd_err = readl(port + PORT_CMD_ERR);
499 sstatus = readl(port + PORT_SSTATUS);
500 serror = readl(port + PORT_SERROR);
501
502 /* Clear IRQ/errors */
503 writel(irq_stat, port + PORT_IRQ_STAT);
504 if (cmd_err)
505 writel(cmd_err, port + PORT_CMD_ERR);
506 if (serror)
507 writel(serror, port + PORT_SERROR);
508
509 printk(KERN_ERR DRV_NAME " ata%u: error interrupt on port%d\n"
510 " stat=0x%x irq=0x%x cmd_err=%d sstatus=0x%x serror=0x%x\n",
511 ap->id, ap->port_no, slot_stat, irq_stat, cmd_err, sstatus, serror);
512
513 if (qc)
514 ata_qc_complete(qc, ATA_ERR);
515
516 sil24_reset_controller(ap);
517 }
518} 525}
519 526
520static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs) 527static irqreturn_t sil24_interrupt(int irq, void *dev_instance, struct pt_regs *regs)