From: Mark Haverkamp Date: Wed, 10 May 2006 16:13:11 +0000 (-0700) Subject: [SCSI] aacraid: sa race condition fix X-Git-Tag: upstream/snapshot3+hdmi~40157^2~64 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=df3b7668715f9acfe6ff37dd886f68e46ccd677e;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git [SCSI] aacraid: sa race condition fix Received From Mark Salyzyn A race condition existed that could result in a lost completion of a command to the ppc based cards. Signed-off-by: Mark Haverkamp Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c index ecc47b6..88d400f 100644 --- a/drivers/scsi/aacraid/sa.c +++ b/drivers/scsi/aacraid/sa.c @@ -66,11 +66,11 @@ static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs) sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */ sa_writew(dev, DoorbellReg_s, PrintfDone); } else if (intstat & DOORBELL_1) { // dev -> Host Normal Command Ready - aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); sa_writew(dev, DoorbellClrReg_p, DOORBELL_1); + aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); } else if (intstat & DOORBELL_2) { // dev -> Host Normal Response Ready - aac_response_normal(&dev->queues->queue[HostNormRespQueue]); sa_writew(dev, DoorbellClrReg_p, DOORBELL_2); + aac_response_normal(&dev->queues->queue[HostNormRespQueue]); } else if (intstat & DOORBELL_3) { // dev -> Host Normal Command Not Full sa_writew(dev, DoorbellClrReg_p, DOORBELL_3); } else if (intstat & DOORBELL_4) { // dev -> Host Normal Response Not Full