diff options
Diffstat (limited to 'arch/ia64/hp/common/sba_iommu.c')
| -rw-r--r-- | arch/ia64/hp/common/sba_iommu.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index db8e1fcfa047..ce49fe3a3b56 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -75,7 +75,7 @@ ** If a device prefetches beyond the end of a valid pdir entry, it will cause ** a hard failure, ie. MCA. Version 3.0 and later of the zx1 LBA should ** disconnect on 4k boundaries and prevent such issues. If the device is -** particularly agressive, this option will keep the entire pdir valid such +** particularly aggressive, this option will keep the entire pdir valid such ** that prefetching will hit a valid address. This could severely impact ** error containment, and is therefore off by default. The page that is ** used for spill-over is poisoned, so that should help debugging somewhat. @@ -258,10 +258,10 @@ static u64 prefetch_spill_page; /* ** DMA_CHUNK_SIZE is used by the SCSI mid-layer to break up -** (or rather not merge) DMA's into managable chunks. +** (or rather not merge) DMAs into manageable chunks. ** On parisc, this is more of the software/tuning constraint -** rather than the HW. I/O MMU allocation alogorithms can be -** faster with smaller size is (to some degree). +** rather than the HW. I/O MMU allocation algorithms can be +** faster with smaller sizes (to some degree). */ #define DMA_CHUNK_SIZE (BITS_PER_LONG*iovp_size) @@ -1672,15 +1672,13 @@ ioc_sac_init(struct ioc *ioc) * SAC (single address cycle) addressable, so allocate a * pseudo-device to enforce that. */ - sac = kmalloc(sizeof(*sac), GFP_KERNEL); + sac = kzalloc(sizeof(*sac), GFP_KERNEL); if (!sac) panic(PFX "Couldn't allocate struct pci_dev"); - memset(sac, 0, sizeof(*sac)); - controller = kmalloc(sizeof(*controller), GFP_KERNEL); + controller = kzalloc(sizeof(*controller), GFP_KERNEL); if (!controller) panic(PFX "Couldn't allocate struct pci_controller"); - memset(controller, 0, sizeof(*controller)); controller->iommu = ioc; sac->sysdata = controller; @@ -1737,12 +1735,10 @@ ioc_init(u64 hpa, void *handle) struct ioc *ioc; struct ioc_iommu *info; - ioc = kmalloc(sizeof(*ioc), GFP_KERNEL); + ioc = kzalloc(sizeof(*ioc), GFP_KERNEL); if (!ioc) return NULL; - memset(ioc, 0, sizeof(*ioc)); - ioc->next = ioc_list; ioc_list = ioc; |