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Diffstat (limited to 'arch/metag/kernel')
-rw-r--r--arch/metag/kernel/dma.c16
-rw-r--r--arch/metag/kernel/irq.c2
-rw-r--r--arch/metag/kernel/perf/perf_event.c2
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);