[PATCH] sata_sil24: better error message from softreset
Improve softreset error message. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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@ -434,6 +434,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
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dma_addr_t paddr = pp->cmd_block_dma;
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unsigned long timeout = jiffies + ATA_TMOUT_BOOT;
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u32 irq_enable, irq_stat;
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const char *reason;
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DPRINTK("ENTER\n");
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@ -473,8 +474,11 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
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writel(irq_enable, port + PORT_IRQ_ENABLE_SET);
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if (!(irq_stat & PORT_IRQ_COMPLETE)) {
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printk(KERN_ERR "ata%u: softreset failed (timeout)\n", ap->id);
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return -EIO;
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if (irq_stat & PORT_IRQ_ERROR)
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reason = "SRST command error";
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else
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reason = "timeout";
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goto err;
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}
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sil24_update_tf(ap);
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@ -486,6 +490,10 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
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out:
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DPRINTK("EXIT, class=%u\n", *class);
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return 0;
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err:
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printk(KERN_ERR "ata%u: softreset failed (%s)\n", ap->id, reason);
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return -EIO;
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}
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static int sil24_hardreset(struct ata_port *ap, unsigned int *class)
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