a7y18lte-ubports/android_kernel_samsung_universal7885
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aic94xx: fix DMA data direction for SMP requests

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DMA-mapped SMP (scsi management protocol) requests going /to/ the device
need the PCI DMA data direction to indicate such.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Jeff Garzik 2007-10-02 13:16:10 -04:00
parent 4942de4a0e
commit d136552e8b
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/aic94xx/aic94xx_task.c
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@ -451,7 +451,7 @@ static int asd_build_smp_ascb(struct asd_ascb *ascb, struct sas_task *task,
struct scb *scb; struct scb *scb;
pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_req, 1, pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_req, 1,
PCI_DMA_FROMDEVICE); PCI_DMA_TODEVICE);
pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_resp, 1, pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_resp, 1,
PCI_DMA_FROMDEVICE); PCI_DMA_FROMDEVICE);
@ -486,7 +486,7 @@ static void asd_unbuild_smp_ascb(struct asd_ascb *a)
BUG_ON(!task); BUG_ON(!task);
pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_req, 1, pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_req, 1,
PCI_DMA_FROMDEVICE); PCI_DMA_TODEVICE);
pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_resp, 1, pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_resp, 1,
PCI_DMA_FROMDEVICE); PCI_DMA_FROMDEVICE);
} }