[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 <markh@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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1 changed files with 2 additions and 2 deletions
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@ -66,11 +66,11 @@ static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs)
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sa_writew(dev, DoorbellClrReg_p, PrintfReady); /* clear PrintfReady */
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sa_writew(dev, DoorbellReg_s, PrintfDone);
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} else if (intstat & DOORBELL_1) { // dev -> Host Normal Command Ready
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aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
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sa_writew(dev, DoorbellClrReg_p, DOORBELL_1);
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aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
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} else if (intstat & DOORBELL_2) { // dev -> Host Normal Response Ready
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aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
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sa_writew(dev, DoorbellClrReg_p, DOORBELL_2);
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aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
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} else if (intstat & DOORBELL_3) { // dev -> Host Normal Command Not Full
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sa_writew(dev, DoorbellClrReg_p, DOORBELL_3);
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} else if (intstat & DOORBELL_4) { // dev -> Host Normal Response Not Full
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