diff options
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/dma-default.c | 7 | ||||
| -rw-r--r-- | arch/mips/mm/init.c | 6 |
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 7e48e76148a..9367e33fbd1 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -90,6 +90,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size, { void *ret; + if (dma_alloc_from_coherent(dev, size, dma_handle, &ret)) + return ret; + gfp = massage_gfp_flags(dev, gfp); ret = (void *) __get_free_pages(gfp, get_order(size)); @@ -122,6 +125,10 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle) { unsigned long addr = (unsigned long) vaddr; + int order = get_order(size); + + if (dma_release_from_coherent(dev, order, vaddr)) + return; plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL); diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 15aa1902a78..8d1f4f36304 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -27,6 +27,7 @@ #include <linux/swap.h> #include <linux/proc_fs.h> #include <linux/pfn.h> +#include <linux/hardirq.h> #include <asm/asm-offsets.h> #include <asm/bootinfo.h> @@ -132,7 +133,10 @@ void *kmap_coherent(struct page *page, unsigned long addr) inc_preempt_count(); idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1); #ifdef CONFIG_MIPS_MT_SMTC - idx += FIX_N_COLOURS * smp_processor_id(); + idx += FIX_N_COLOURS * smp_processor_id() + + (in_interrupt() ? (FIX_N_COLOURS * NR_CPUS) : 0); +#else + idx += in_interrupt() ? FIX_N_COLOURS : 0; #endif vaddr = __fix_to_virt(FIX_CMAP_END - idx); pte = mk_pte(page, PAGE_KERNEL); |