diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/hp/common/sba_iommu.c | 14 | ||||
| -rw-r--r-- | arch/ia64/hp/sim/simscsi.c | 1 | ||||
| -rw-r--r-- | arch/ia64/sn/pci/pci_dma.c | 11 |
3 files changed, 14 insertions, 12 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index e980e7a..4338f41 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -396,7 +396,7 @@ sba_dump_sg( struct ioc *ioc, struct scatterlist *startsg, int nents) printk(KERN_DEBUG " %d : DMA %08lx/%05x CPU %p\n", nents, startsg->dma_address, startsg->dma_length, sba_sg_address(startsg)); - startsg++; + startsg = sg_next(startsg); } } @@ -409,7 +409,7 @@ sba_check_sg( struct ioc *ioc, struct scatterlist *startsg, int nents) while (the_nents-- > 0) { if (sba_sg_address(the_sg) == 0x0UL) sba_dump_sg(NULL, startsg, nents); - the_sg++; + the_sg = sg_next(the_sg); } } @@ -1201,7 +1201,7 @@ sba_fill_pdir( u32 pide = startsg->dma_address & ~PIDE_FLAG; dma_offset = (unsigned long) pide & ~iovp_mask; startsg->dma_address = 0; - dma_sg++; + dma_sg = sg_next(dma_sg); dma_sg->dma_address = pide | ioc->ibase; pdirp = &(ioc->pdir_base[pide >> iovp_shift]); n_mappings++; @@ -1228,7 +1228,7 @@ sba_fill_pdir( pdirp++; } while (cnt > 0); } - startsg++; + startsg = sg_next(startsg); } /* force pdir update */ wmb(); @@ -1297,7 +1297,7 @@ sba_coalesce_chunks( struct ioc *ioc, while (--nents > 0) { unsigned long vaddr; /* tmp */ - startsg++; + startsg = sg_next(startsg); /* PARANOID */ startsg->dma_address = startsg->dma_length = 0; @@ -1407,7 +1407,7 @@ int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, int di #ifdef ALLOW_IOV_BYPASS_SG ASSERT(to_pci_dev(dev)->dma_mask); if (likely((ioc->dma_mask & ~to_pci_dev(dev)->dma_mask) == 0)) { - for (sg = sglist ; filled < nents ; filled++, sg++){ + for_each_sg(sglist, sg, nents, filled) { sg->dma_length = sg->length; sg->dma_address = virt_to_phys(sba_sg_address(sg)); } @@ -1501,7 +1501,7 @@ void sba_unmap_sg (struct device *dev, struct scatterlist *sglist, int nents, in while (nents && sglist->dma_length) { sba_unmap_single(dev, sglist->dma_address, sglist->dma_length, dir); - sglist++; + sglist = sg_next(sglist); nents--; } diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c index d62fa76..a3a558a 100644 --- a/arch/ia64/hp/sim/simscsi.c +++ b/arch/ia64/hp/sim/simscsi.c @@ -360,6 +360,7 @@ static struct scsi_host_template driver_template = { .max_sectors = 1024, .cmd_per_lun = SIMSCSI_REQ_QUEUE_LEN, .use_clustering = DISABLE_CLUSTERING, + .use_sg_chaining = ENABLE_SG_CHAINING, }; static int __init diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c index d79ddac..ecd8a52 100644 --- a/arch/ia64/sn/pci/pci_dma.c +++ b/arch/ia64/sn/pci/pci_dma.c @@ -218,16 +218,17 @@ EXPORT_SYMBOL(sn_dma_unmap_single); * * Unmap a set of streaming mode DMA translations. */ -void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sg, +void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, int direction) { int i; struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); + struct scatterlist *sg; BUG_ON(dev->bus != &pci_bus_type); - for (i = 0; i < nhwentries; i++, sg++) { + for_each_sg(sgl, sg, nhwentries, i) { provider->dma_unmap(pdev, sg->dma_address, direction); sg->dma_address = (dma_addr_t) NULL; sg->dma_length = 0; @@ -244,11 +245,11 @@ EXPORT_SYMBOL(sn_dma_unmap_sg); * * Maps each entry of @sg for DMA. */ -int sn_dma_map_sg(struct device *dev, struct scatterlist *sg, int nhwentries, +int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, int nhwentries, int direction) { unsigned long phys_addr; - struct scatterlist *saved_sg = sg; + struct scatterlist *saved_sg = sgl, *sg; struct pci_dev *pdev = to_pci_dev(dev); struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev); int i; @@ -258,7 +259,7 @@ int sn_dma_map_sg(struct device *dev, struct scatterlist *sg, int nhwentries, /* * Setup a DMA address for each entry in the scatterlist. */ - for (i = 0; i < nhwentries; i++, sg++) { + for_each_sg(sgl, sg, nhwentries, i) { phys_addr = SG_ENT_PHYS_ADDRESS(sg); sg->dma_address = provider->dma_map(pdev, phys_addr, sg->length, |
