diff options
Diffstat (limited to 'drivers/char/agp/i460-agp.c')
| -rw-r--r-- | drivers/char/agp/i460-agp.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c index a2d9e5e48bb..8ee19a4a6bc 100644 --- a/drivers/char/agp/i460-agp.c +++ b/drivers/char/agp/i460-agp.c @@ -111,8 +111,10 @@ static int i460_fetch_size (void) if (i460.io_page_shift != I460_IO_PAGE_SHIFT) { printk(KERN_ERR PFX - "I/O (GART) page-size %ZuKB doesn't match expected size %ZuKB\n", - 1UL << (i460.io_page_shift - 10), 1UL << (I460_IO_PAGE_SHIFT)); + "I/O (GART) page-size %luKB doesn't match expected " + "size %luKB\n", + 1UL << (i460.io_page_shift - 10), + 1UL << (I460_IO_PAGE_SHIFT)); return 0; } @@ -227,10 +229,9 @@ static int i460_configure (void) */ if (I460_IO_PAGE_SHIFT > PAGE_SHIFT) { size = current_size->num_entries * sizeof(i460.lp_desc[0]); - i460.lp_desc = kmalloc(size, GFP_KERNEL); + i460.lp_desc = kzalloc(size, GFP_KERNEL); if (!i460.lp_desc) return -ENOMEM; - memset(i460.lp_desc, 0, size); } return 0; } @@ -366,13 +367,12 @@ static int i460_alloc_large_page (struct lp_desc *lp) } map_size = ((I460_KPAGES_PER_IOPAGE + BITS_PER_LONG - 1) & -BITS_PER_LONG)/8; - lp->alloced_map = kmalloc(map_size, GFP_KERNEL); + lp->alloced_map = kzalloc(map_size, GFP_KERNEL); if (!lp->alloced_map) { free_pages((unsigned long) lpage, order); printk(KERN_ERR PFX "Out of memory, we're in trouble...\n"); return -ENOMEM; } - memset(lp->alloced_map, 0, map_size); lp->paddr = virt_to_gart(lpage); lp->refcount = 0; @@ -516,9 +516,10 @@ static void *i460_alloc_page (struct agp_bridge_data *bridge) { void *page; - if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) + if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) { page = agp_generic_alloc_page(agp_bridge); - else + global_flush_tlb(); + } else /* Returning NULL would cause problems */ /* AK: really dubious code. */ page = (void *)~0UL; @@ -527,8 +528,10 @@ static void *i460_alloc_page (struct agp_bridge_data *bridge) static void i460_destroy_page (void *page) { - if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) + if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) { agp_generic_destroy_page(page); + global_flush_tlb(); + } } #endif /* I460_LARGE_IO_PAGES */ @@ -538,7 +541,7 @@ static unsigned long i460_mask_memory (struct agp_bridge_data *bridge, { /* Make sure the returned address is a valid GATT entry */ return bridge->driver->masks[0].mask - | (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xffffff000) >> 12); + | (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xfffff000) >> 12); } struct agp_bridge_driver intel_i460_driver = { |