4 files changed, 17 insertions, 32 deletions

diff --git a/arch/metag/kernel/cachepart.c b/arch/metag/kernel/cachepart.c
index 04b7d4f84..db944c2e7 100644
--- a/arch/metag/kernel/cachepart.c
+++ b/arch/metag/kernel/cachepart.c
@@ -15,7 +15,7 @@
 #define SYSC_DCPART(n)	(SYSC_DCPART0 + SYSC_xCPARTn_STRIDE * (n))
 #define SYSC_ICPART(n)	(SYSC_ICPART0 + SYSC_xCPARTn_STRIDE * (n))
 
-#define CACHE_ASSOCIATIVITY 4 /* 4 way set-assosiative */
+#define CACHE_ASSOCIATIVITY 4 /* 4 way set-associative */
 #define ICACHE 0
 #define DCACHE 1
 
diff --git a/arch/metag/kernel/dma.c b/arch/metag/kernel/dma.c
index e12368d02..0db31e24c 100644
--- a/arch/metag/kernel/dma.c
+++ b/arch/metag/kernel/dma.c
@@ -172,7 +172,7 @@ out:
  * virtual and bus address for that space.
  */
 static void *metag_dma_alloc(struct device *dev, size_t size,
-		dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs)
+		dma_addr_t *handle, gfp_t gfp, unsigned long attrs)
 {
 	struct page *page;
 	struct metag_vm_region *c;
@@ -268,7 +268,7 @@ no_page:
  * free a page as defined by the above mapping.
  */
 static void metag_dma_free(struct device *dev, size_t size, void *vaddr,
-		dma_addr_t dma_handle, struct dma_attrs *attrs)
+		dma_addr_t dma_handle, unsigned long attrs)
 {
 	struct metag_vm_region *c;
 	unsigned long flags, addr;
@@ -331,13 +331,13 @@ no_area:
 
 static int metag_dma_mmap(struct device *dev, struct vm_area_struct *vma,
 		void *cpu_addr, dma_addr_t dma_addr, size_t size,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	unsigned long flags, user_size, kern_size;
 	struct metag_vm_region *c;
 	int ret = -ENXIO;
 
-	if (dma_get_attr(DMA_ATTR_WRITE_COMBINE, attrs))
+	if (attrs & DMA_ATTR_WRITE_COMBINE)
 		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 	else
 		vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
@@ -482,7 +482,7 @@ static void dma_sync_for_cpu(void *vaddr, size_t size, int dma_direction)
 
 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, struct dma_attrs *attrs)
+		enum dma_data_direction direction, unsigned long attrs)
 {
 	dma_sync_for_device((void *)(page_to_phys(page) + offset), size,
 			    direction);
@@ -491,14 +491,14 @@ static dma_addr_t metag_dma_map_page(struct device *dev, struct page *page,
 
 static void metag_dma_unmap_page(struct device *dev, dma_addr_t dma_address,
 		size_t size, enum dma_data_direction direction,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	dma_sync_for_cpu(phys_to_virt(dma_address), size, direction);
 }
 
 static int metag_dma_map_sg(struct device *dev, struct scatterlist *sglist,
 		int nents, enum dma_data_direction direction,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	struct scatterlist *sg;
 	int i;
@@ -516,7 +516,7 @@ static int metag_dma_map_sg(struct device *dev, struct scatterlist *sglist,
 
 static void metag_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
 		int nhwentries, enum dma_data_direction direction,
-		struct dma_attrs *attrs)
+		unsigned long attrs)
 {
 	struct scatterlist *sg;
 	int i;
diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c
index 33a365f92..052cba237 100644
--- a/arch/metag/kernel/perf/perf_event.c
+++ b/arch/metag/kernel/perf/perf_event.c
@@ -806,25 +806,16 @@ static struct metag_pmu _metag_pmu = {
 };
 
 /* PMU CPU hotplug notifier */
-static int metag_pmu_cpu_notify(struct notifier_block *b, unsigned long action,
-				void *hcpu)
+static int metag_pmu_starting_cpu(unsigned int cpu)
 {
-	unsigned int cpu = (unsigned int)hcpu;
 	struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
 
-	if ((action & ~CPU_TASKS_FROZEN) != CPU_STARTING)
-		return NOTIFY_DONE;
-
 	memset(cpuc, 0, sizeof(struct cpu_hw_events));
 	raw_spin_lock_init(&cpuc->pmu_lock);
 
-	return NOTIFY_OK;
+	return 0;
 }
 
-static struct notifier_block metag_pmu_notifier = {
-	.notifier_call = metag_pmu_cpu_notify,
-};
-
 /* PMU Initialisation */
 static int __init init_hw_perf_events(void)
 {
@@ -876,16 +867,13 @@ static int __init init_hw_perf_events(void)
 	metag_out32(0, PERF_COUNT(0));
 	metag_out32(0, PERF_COUNT(1));
 
-	for_each_possible_cpu(cpu) {
-		struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
+	cpuhp_setup_state(CPUHP_AP_PERF_METAG_STARTING,
+			  "AP_PERF_METAG_STARTING", metag_pmu_starting_cpu,
+			  NULL);
 
-		memset(cpuc, 0, sizeof(struct cpu_hw_events));
-		raw_spin_lock_init(&cpuc->pmu_lock);
-	}
-
-	register_cpu_notifier(&metag_pmu_notifier);
 	ret = perf_pmu_register(&pmu, metag_pmu->name, PERF_TYPE_RAW);
-out:
+	if (ret)
+		cpuhp_remove_state_nocalls(CPUHP_AP_PERF_METAG_STARTING);
 	return ret;
 }
 early_initcall(init_hw_perf_events);
diff --git a/arch/metag/kernel/setup.c b/arch/metag/kernel/setup.c
index 31cf53d0e..1166f1fbf 100644
--- a/arch/metag/kernel/setup.c
+++ b/arch/metag/kernel/setup.c
@@ -20,7 +20,6 @@
 #include <linux/memblock.h>
 #include <linux/mm.h>
 #include <linux/of_fdt.h>
-#include <linux/of_platform.h>
 #include <linux/pfn.h>
 #include <linux/root_dev.h>
 #include <linux/sched.h>
@@ -414,9 +413,7 @@ static int __init customize_machine(void)
 	/* customizes platform devices, or adds new ones */
 	if (machine_desc->init_machine)
 		machine_desc->init_machine();
-	else
-		of_platform_populate(NULL, of_default_bus_match_table, NULL,
-				     NULL);
+
 	return 0;
 }
 arch_initcall(customize_machine);