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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 14:38:55 -0500 |
| commit | 328198acb7407301ddf6005c0fa1e04bd0c539c8 (patch) | |
| tree | 9936112bd195bfbaacc9a75f2ea7ff757a2c0546 /drivers/scsi/ahci.c | |
| parent | 9e0cb06b17be7e562cbdaba2768649f025826dc6 (diff) | |
| parent | fecb4a0c87c2bcaee1f3cf800126eef752a07ed3 (diff) | |
| download | linux-328198acb7407301ddf6005c0fa1e04bd0c539c8.tar.gz linux-328198acb7407301ddf6005c0fa1e04bd0c539c8.tar.bz2 linux-328198acb7407301ddf6005c0fa1e04bd0c539c8.zip | |
Merge branch 'master'
Diffstat (limited to 'drivers/scsi/ahci.c')
| -rw-r--r-- | drivers/scsi/ahci.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index e2a5657d5fdb..4612312c0c2d 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -307,14 +307,22 @@ static int ahci_port_start(struct ata_port *ap) void __iomem *port_mmio = ahci_port_base(mmio, ap->port_no); void *mem; dma_addr_t mem_dma; + int rc; pp = kmalloc(sizeof(*pp), GFP_KERNEL); if (!pp) return -ENOMEM; memset(pp, 0, sizeof(*pp)); + rc = ata_pad_alloc(ap, dev); + if (rc) { + kfree(pp); + return rc; + } + mem = dma_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL); if (!mem) { + ata_pad_free(ap, dev); kfree(pp); return -ENOMEM; } @@ -390,6 +398,7 @@ static void ahci_port_stop(struct ata_port *ap) ap->private_data = NULL; dma_free_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, pp->cmd_slot, pp->cmd_slot_dma); + ata_pad_free(ap, dev); kfree(pp); } @@ -468,23 +477,23 @@ static void ahci_tf_read(struct ata_port *ap, struct ata_taskfile *tf) static void ahci_fill_sg(struct ata_queued_cmd *qc) { struct ahci_port_priv *pp = qc->ap->private_data; - unsigned int i; + struct scatterlist *sg; + struct ahci_sg *ahci_sg; VPRINTK("ENTER\n"); /* * Next, the S/G list. */ - for (i = 0; i < qc->n_elem; i++) { - u32 sg_len; - dma_addr_t addr; - - addr = sg_dma_address(&qc->sg[i]); - sg_len = sg_dma_len(&qc->sg[i]); - - pp->cmd_tbl_sg[i].addr = cpu_to_le32(addr & 0xffffffff); - pp->cmd_tbl_sg[i].addr_hi = cpu_to_le32((addr >> 16) >> 16); - pp->cmd_tbl_sg[i].flags_size = cpu_to_le32(sg_len - 1); + ahci_sg = pp->cmd_tbl_sg; + ata_for_each_sg(sg, qc) { + dma_addr_t addr = sg_dma_address(sg); + u32 sg_len = sg_dma_len(sg); + + ahci_sg->addr = cpu_to_le32(addr & 0xffffffff); + ahci_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16); + ahci_sg->flags_size = cpu_to_le32(sg_len - 1); + ahci_sg++; } } |