diff options
Diffstat (limited to 'arch/metag/kernel')
-rw-r--r-- | arch/metag/kernel/dma.c | 16 | ||||
-rw-r--r-- | arch/metag/kernel/irq.c | 2 | ||||
-rw-r--r-- | arch/metag/kernel/perf/perf_event.c | 2 |
3 files changed, 15 insertions, 5 deletions
diff --git a/arch/metag/kernel/dma.c b/arch/metag/kernel/dma.c index 0db31e24c541..91968d92652b 100644 --- a/arch/metag/kernel/dma.c +++ b/arch/metag/kernel/dma.c @@ -484,8 +484,9 @@ static dma_addr_t metag_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction, unsigned long attrs) { - dma_sync_for_device((void *)(page_to_phys(page) + offset), size, - direction); + if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) + dma_sync_for_device((void *)(page_to_phys(page) + offset), + size, direction); return page_to_phys(page) + offset; } @@ -493,7 +494,8 @@ static void metag_dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, enum dma_data_direction direction, unsigned long attrs) { - dma_sync_for_cpu(phys_to_virt(dma_address), size, direction); + if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) + dma_sync_for_cpu(phys_to_virt(dma_address), size, direction); } static int metag_dma_map_sg(struct device *dev, struct scatterlist *sglist, @@ -507,6 +509,10 @@ static int metag_dma_map_sg(struct device *dev, struct scatterlist *sglist, BUG_ON(!sg_page(sg)); sg->dma_address = sg_phys(sg); + + if (attrs & DMA_ATTR_SKIP_CPU_SYNC) + continue; + dma_sync_for_device(sg_virt(sg), sg->length, direction); } @@ -525,6 +531,10 @@ static void metag_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, BUG_ON(!sg_page(sg)); sg->dma_address = sg_phys(sg); + + if (attrs & DMA_ATTR_SKIP_CPU_SYNC) + continue; + dma_sync_for_cpu(sg_virt(sg), sg->length, direction); } } diff --git a/arch/metag/kernel/irq.c b/arch/metag/kernel/irq.c index 3074b64793e6..c9939604a38f 100644 --- a/arch/metag/kernel/irq.c +++ b/arch/metag/kernel/irq.c @@ -13,7 +13,7 @@ #include <asm/core_reg.h> #include <asm/mach/arch.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #ifdef CONFIG_4KSTACKS union irq_ctx { diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c index 052cba23708c..7e793eb0c1fe 100644 --- a/arch/metag/kernel/perf/perf_event.c +++ b/arch/metag/kernel/perf/perf_event.c @@ -868,7 +868,7 @@ static int __init init_hw_perf_events(void) metag_out32(0, PERF_COUNT(1)); cpuhp_setup_state(CPUHP_AP_PERF_METAG_STARTING, - "AP_PERF_METAG_STARTING", metag_pmu_starting_cpu, + "perf/metag:starting", metag_pmu_starting_cpu, NULL); ret = perf_pmu_register(&pmu, metag_pmu->name, PERF_TYPE_RAW); |