diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/sata_sil24.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c index 8fb62427be8..fa1a5ac6063 100644 --- a/drivers/scsi/sata_sil24.c +++ b/drivers/scsi/sata_sil24.c @@ -440,6 +440,12 @@ static int sil24_softreset(struct ata_port *ap, int verbose, 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); writel(irq_enable, port + PORT_IRQ_ENABLE_CLR); @@ -469,18 +475,18 @@ static int sil24_softreset(struct ata_port *ap, int verbose, /* restore IRQs */ writel(irq_enable, port + PORT_IRQ_ENABLE_SET); - if (sata_dev_present(ap)) { - if (!(irq_stat & PORT_IRQ_COMPLETE)) { - DPRINTK("EXIT, srst failed\n"); - return -EIO; - } - - sil24_update_tf(ap); - *class = ata_dev_classify(&pp->tf); + if (!(irq_stat & PORT_IRQ_COMPLETE)) { + DPRINTK("EXIT, srst failed\n"); + return -EIO; } + + 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; } |