Messages in this thread Patch in this message |  | | Date | Sun, 11 Feb 2007 18:36:56 -0600 | From | Robert Hancock <> | Subject | [PATCH] sata_nv: handle SError status indication |
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ADMA-capable controllers provide a bit in the status register that appears to indicate that the controller detected an SError condition. Update sata_nv to detect this and trigger error handling in order to handle the fault.
Signed-off-by: Robert Hancock <hancockr@shaw.ca>
--- drivers/ata/sata_nv.c.before_serror 2007-02-11 17:49:27.000000000 -0600 +++ drivers/ata/sata_nv.c 2007-02-11 17:54:39.000000000 -0600 @@ -827,7 +827,8 @@ static irqreturn_t nv_adma_interrupt(int /* freeze if hotplugged or controller error */ if (unlikely(status & (NV_ADMA_STAT_HOTPLUG | NV_ADMA_STAT_HOTUNPLUG | - NV_ADMA_STAT_TIMEOUT))) { + NV_ADMA_STAT_TIMEOUT | + NV_ADMA_STAT_SERROR))) { struct ata_eh_info *ehi = &ap->eh_info; ata_ehi_clear_desc(ehi); @@ -841,6 +842,9 @@ static irqreturn_t nv_adma_interrupt(int } else if (status & NV_ADMA_STAT_HOTUNPLUG) { ata_ehi_hotplugged(ehi); ata_ehi_push_desc(ehi, ": hot unplug"); + } else if (status & NV_ADMA_STAT_SERROR) { + /* let libata analyze SError and figure out the cause */ + ata_ehi_push_desc(ehi, ": SError"); } ata_port_freeze(ap); continue; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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