The patch titled
iommu sg merging: sata_inic162x: use pci_set_dma_max_seg_size
has been added to the -mm tree. Its filename is
iommu-sg-merging-sata_inic162x-use-pci_set_dma_max_seg_size.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: iommu sg merging: sata_inic162x: use pci_set_dma_max_seg_size
From: FUJITA Tomonori <tomof@xxxxxxx>
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@xxxxxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/ata/sata_inic162x.c | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)
diff -puN drivers/ata/sata_inic162x.c~iommu-sg-merging-sata_inic162x-use-pci_set_dma_max_seg_size drivers/ata/sata_inic162x.c
--- a/drivers/ata/sata_inic162x.c~iommu-sg-merging-sata_inic162x-use-pci_set_dma_max_seg_size
+++ a/drivers/ata/sata_inic162x.c
@@ -108,17 +108,6 @@ struct inic_port_priv {
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 = {
.module = THIS_MODULE,
.name = DRV_NAME,
@@ -132,7 +121,7 @@ static struct scsi_host_template inic_sh
.use_clustering = ATA_SHT_USE_CLUSTERING,
.proc_name = DRV_NAME,
.dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = inic_slave_config,
+ .slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
};
@@ -730,6 +719,18 @@ static int inic_init_one(struct pci_dev
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);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
_
Patches currently in -mm which might be from tomof@xxxxxxx are
git-scsi-misc.patch
iommu-sg-merging-add-device_dma_parameters-structure.patch
iommu-sg-merging-pci-add-device_dma_parameters-support.patch
iommu-sg-merging-x86-make-pci-gart-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-ppc-make-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-ia64-make-sba_iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-alpha-make-pci_iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-sparc64-make-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-parisc-make-iommu-respect-the-segment-size-limits.patch
iommu-sg-merging-call-blk_queue_segment_boundary-in-__scsi_alloc_queue.patch
iommu-sg-merging-sata_inic162x-use-pci_set_dma_max_seg_size.patch
iommu-sg-merging-aacraid-use-pci_set_dma_max_seg_size.patch
-
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