Merge tag 'v4.9-rc3' into xtensa-for-next

Linux 4.9-rc3

6 files changed, 20 insertions, 34 deletions

diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index a482df5df2b2..6911e384f608 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -17,7 +17,7 @@
 #include <asm/processor.h>
 #include <asm/coprocessor.h>
 #include <asm/thread_info.h>
-#include <asm/uaccess.h>
+#include <asm/asm-uaccess.h>
 #include <asm/unistd.h>
 #include <asm/ptrace.h>
 #include <asm/current.h>
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index fa04d9d368a7..f5ef3cc0497c 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -17,7 +17,7 @@
 #include <asm/processor.h>
 #include <asm/coprocessor.h>
 #include <asm/thread_info.h>
-#include <asm/uaccess.h>
+#include <asm/asm-uaccess.h>
 #include <asm/unistd.h>
 #include <asm/ptrace.h>
 #include <asm/current.h>
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index cd66698348ca..1e68806d6695 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -142,7 +142,7 @@ static void xtensa_sync_sg_for_device(struct device *dev,
 
 static void *xtensa_dma_alloc(struct device *dev, size_t size,
 			      dma_addr_t *handle, gfp_t flag,
-			      struct dma_attrs *attrs)
+			      unsigned long attrs)
 {
 	unsigned long ret;
 	unsigned long uncached = 0;
@@ -171,7 +171,7 @@ static void *xtensa_dma_alloc(struct device *dev, size_t size,
 }
 
 static void xtensa_dma_free(struct device *hwdev, size_t size, void *vaddr,
-			    dma_addr_t dma_handle, struct dma_attrs *attrs)
+			    dma_addr_t dma_handle, unsigned long attrs)
 {
 	unsigned long addr = (unsigned long)vaddr +
 		XCHAL_KSEG_CACHED_VADDR - XCHAL_KSEG_BYPASS_VADDR;
@@ -185,7 +185,7 @@ static void xtensa_dma_free(struct device *hwdev, size_t size, void *vaddr,
 static dma_addr_t xtensa_map_page(struct device *dev, struct page *page,
 				  unsigned long offset, size_t size,
 				  enum dma_data_direction dir,
-				  struct dma_attrs *attrs)
+				  unsigned long attrs)
 {
 	dma_addr_t dma_handle = page_to_phys(page) + offset;
 
@@ -195,14 +195,14 @@ static dma_addr_t xtensa_map_page(struct device *dev, struct page *page,
 
 static void xtensa_unmap_page(struct device *dev, dma_addr_t dma_handle,
 			      size_t size, enum dma_data_direction dir,
-			      struct dma_attrs *attrs)
+			      unsigned long attrs)
 {
 	xtensa_sync_single_for_cpu(dev, dma_handle, size, dir);
 }
 
 static int xtensa_map_sg(struct device *dev, struct scatterlist *sg,
 			 int nents, enum dma_data_direction dir,
-			 struct dma_attrs *attrs)
+			 unsigned long attrs)
 {
 	struct scatterlist *s;
 	int i;
@@ -217,7 +217,7 @@ static int xtensa_map_sg(struct device *dev, struct scatterlist *sg,
 static void xtensa_unmap_sg(struct device *dev,
 			    struct scatterlist *sg, int nents,
 			    enum dma_data_direction dir,
-			    struct dma_attrs *attrs)
+			    unsigned long attrs)
 {
 	struct scatterlist *s;
 	int i;
diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c
index ef90479e0397..0fecc8a2c0b5 100644
--- a/arch/xtensa/kernel/perf_event.c
+++ b/arch/xtensa/kernel/perf_event.c
@@ -404,7 +404,7 @@ static struct pmu xtensa_pmu = {
 	.read = xtensa_pmu_read,
 };
 
-static void xtensa_pmu_setup(void)
+static int xtensa_pmu_setup(int cpu)
 {
 	unsigned i;
 
@@ -413,21 +413,7 @@ static void xtensa_pmu_setup(void)
 		set_er(0, XTENSA_PMU_PMCTRL(i));
 		set_er(get_er(XTENSA_PMU_PMSTAT(i)), XTENSA_PMU_PMSTAT(i));
 	}
-}
-
-static int xtensa_pmu_notifier(struct notifier_block *self,
-			       unsigned long action, void *data)
-{
-	switch (action & ~CPU_TASKS_FROZEN) {
-	case CPU_STARTING:
-		xtensa_pmu_setup();
-		break;
-
-	default:
-		break;
-	}
-
-	return NOTIFY_OK;
+	return 0;
 }
 
 static int __init xtensa_pmu_init(void)
@@ -435,7 +421,13 @@ static int __init xtensa_pmu_init(void)
 	int ret;
 	int irq = irq_create_mapping(NULL, XCHAL_PROFILING_INTERRUPT);
 
-	perf_cpu_notifier(xtensa_pmu_notifier);
+	ret = cpuhp_setup_state(CPUHP_AP_PERF_XTENSA_STARTING,
+				"AP_PERF_XTENSA_STARTING", xtensa_pmu_setup,
+				NULL);
+	if (ret) {
+		pr_err("xtensa_pmu: failed to register CPU-hotplug.\n");
+		return ret;
+	}
 #if XTENSA_FAKE_NMI
 	enable_irq(irq);
 #else
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index d61c8468abea..88a044af7504 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -26,7 +26,6 @@
 #include <linux/cpu.h>
 #include <linux/of.h>
 #include <linux/of_fdt.h>
-#include <linux/of_platform.h>
 
 #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_DUMMY_CONSOLE)
 # include <linux/console.h>
@@ -246,14 +245,6 @@ void __init early_init_devtree(void *params)
 		strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
 }
 
-static int __init xtensa_device_probe(void)
-{
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-	return 0;
-}
-
-device_initcall(xtensa_device_probe);
-
 #endif /* CONFIG_OF */
 
 /*
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 72cfe3587dd8..31411fc82662 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -89,6 +89,9 @@ SECTIONS
     VMLINUX_SYMBOL(__sched_text_start) = .;
     *(.sched.literal .sched.text)
     VMLINUX_SYMBOL(__sched_text_end) = .;
+    VMLINUX_SYMBOL(__cpuidle_text_start) = .;
+    *(.cpuidle.literal .cpuidle.text)
+    VMLINUX_SYMBOL(__cpuidle_text_end) = .;
     VMLINUX_SYMBOL(__lock_text_start) = .;
     *(.spinlock.literal .spinlock.text)
     VMLINUX_SYMBOL(__lock_text_end) = .;