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iommu sg merging: sata_inic162x: use pci_set_dma_max_seg_size

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This sets the segment size limit properly via pci_set_dma_max_seg_size
and remove blk_queue_max_segment_size because scsi-ml calls it.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
FUJITA Tomonori 2008-02-04 22:28:05 -08:00 • committed by Linus Torvalds
parent 860ac568e8
commit b7d8629f8b
1 changed files with 13 additions and 12 deletions
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25
drivers/ata/sata_inic162x.c
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@ -108,17 +108,6 @@ struct inic_port_priv {
u8 cached_pirq_mask; u8 cached_pirq_mask;
}; };
static int inic_slave_config(struct scsi_device *sdev)
{
/* This controller is braindamaged. dma_boundary is 0xffff
* like others but it will lock up the whole machine HARD if
* 65536 byte PRD entry is fed. Reduce maximum segment size.
*/
blk_queue_max_segment_size(sdev->request_queue, 65536 - 512);
return ata_scsi_slave_config(sdev);
}
static struct scsi_host_template inic_sht = { static struct scsi_host_template inic_sht = {
.module = THIS_MODULE, .module = THIS_MODULE,
.name = DRV_NAME, .name = DRV_NAME,
@ -132,7 +121,7 @@ static struct scsi_host_template inic_sht = {
.use_clustering = ATA_SHT_USE_CLUSTERING, .use_clustering = ATA_SHT_USE_CLUSTERING,
.proc_name = DRV_NAME, .proc_name = DRV_NAME,
.dma_boundary = ATA_DMA_BOUNDARY, .dma_boundary = ATA_DMA_BOUNDARY,
.slave_configure = inic_slave_config, .slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy, .slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param, .bios_param = ata_std_bios_param,
}; };
@ -730,6 +719,18 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
return rc; return rc;
} }
/*
* This controller is braindamaged. dma_boundary is 0xffff
* like others but it will lock up the whole machine HARD if
* 65536 byte PRD entry is fed. Reduce maximum segment size.
*/
rc = pci_set_dma_max_seg_size(pdev, 65536 - 512);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"failed to set the maximum segment size.\n");
return rc;
}
rc = init_controller(iomap[MMIO_BAR], hpriv->cached_hctl); rc = init_controller(iomap[MMIO_BAR], hpriv->cached_hctl);
if (rc) { if (rc) {
dev_printk(KERN_ERR, &pdev->dev, dev_printk(KERN_ERR, &pdev->dev,