From: Robert Hancock Date: Mon, 12 Feb 2007 00:36:56 +0000 (-0600) Subject: sata_nv: handle SError status indication X-Git-Tag: v2.6.21-rc1~171 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=5278b50cea851d8264b7b28212a483328650476f sata_nv: handle SError status indication 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 Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 095ef1b2cd0e..ab92f208dae2 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -827,7 +827,8 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) /* 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 irq, void *dev_instance) } 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;