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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/metag
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/metag')
-rw-r--r--arch/metag/Makefile2
-rw-r--r--arch/metag/boot/dts/Makefile7
-rw-r--r--arch/metag/include/asm/atomic_lnkget.h2
-rw-r--r--arch/metag/include/asm/atomic_lock1.h2
-rw-r--r--arch/metag/include/asm/highmem.h1
-rw-r--r--arch/metag/include/asm/irq.h8
-rw-r--r--arch/metag/kernel/smp.c2
-rw-r--r--arch/metag/mm/highmem.c14
8 files changed, 14 insertions, 24 deletions
diff --git a/arch/metag/Makefile b/arch/metag/Makefile
index 9739857bd..033a58214 100644
--- a/arch/metag/Makefile
+++ b/arch/metag/Makefile
@@ -72,7 +72,7 @@ $(boot_targets): vmlinux
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
dtbs: scripts
- $(Q)$(MAKE) $(build)=$(boot)/dts dtbs
+ $(Q)$(MAKE) $(build)=$(boot)/dts
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
diff --git a/arch/metag/boot/dts/Makefile b/arch/metag/boot/dts/Makefile
index 72c121879..097c6da45 100644
--- a/arch/metag/boot/dts/Makefile
+++ b/arch/metag/boot/dts/Makefile
@@ -12,11 +12,10 @@ endif
dtb-$(CONFIG_METAG_BUILTIN_DTB) += $(builtindtb-y).dtb
obj-$(CONFIG_METAG_BUILTIN_DTB) += $(builtindtb-y).dtb.o
-targets += dtbs
-targets += $(dtb-y)
+dtstree := $(srctree)/$(src)
+dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
-dtbs: $(addprefix $(obj)/, $(dtb-y))
-
+always += $(dtb-y)
clean-files += *.dtb *.dtb.S
diff --git a/arch/metag/include/asm/atomic_lnkget.h b/arch/metag/include/asm/atomic_lnkget.h
index 21c4c268b..a62581815 100644
--- a/arch/metag/include/asm/atomic_lnkget.h
+++ b/arch/metag/include/asm/atomic_lnkget.h
@@ -3,7 +3,7 @@
#define ATOMIC_INIT(i) { (i) }
-#define atomic_set(v, i) ((v)->counter = (i))
+#define atomic_set(v, i) WRITE_ONCE((v)->counter, (i))
#include <linux/compiler.h>
diff --git a/arch/metag/include/asm/atomic_lock1.h b/arch/metag/include/asm/atomic_lock1.h
index f8efe380f..0295d9b8d 100644
--- a/arch/metag/include/asm/atomic_lock1.h
+++ b/arch/metag/include/asm/atomic_lock1.h
@@ -10,7 +10,7 @@
static inline int atomic_read(const atomic_t *v)
{
- return (v)->counter;
+ return READ_ONCE((v)->counter);
}
/*
diff --git a/arch/metag/include/asm/highmem.h b/arch/metag/include/asm/highmem.h
index 6646a15c7..9b1d172cd 100644
--- a/arch/metag/include/asm/highmem.h
+++ b/arch/metag/include/asm/highmem.h
@@ -56,7 +56,6 @@ extern void kunmap(struct page *page);
extern void *kmap_atomic(struct page *page);
extern void __kunmap_atomic(void *kvaddr);
extern void *kmap_atomic_pfn(unsigned long pfn);
-extern struct page *kmap_atomic_to_page(void *ptr);
#endif
#endif
diff --git a/arch/metag/include/asm/irq.h b/arch/metag/include/asm/irq.h
index ad6bd0edb..6ac6d4a05 100644
--- a/arch/metag/include/asm/irq.h
+++ b/arch/metag/include/asm/irq.h
@@ -6,8 +6,12 @@ extern void irq_ctx_init(int cpu);
extern void irq_ctx_exit(int cpu);
# define __ARCH_HAS_DO_SOFTIRQ
#else
-# define irq_ctx_init(cpu) do { } while (0)
-# define irq_ctx_exit(cpu) do { } while (0)
+static inline void irq_ctx_init(int cpu)
+{
+}
+static inline void irq_ctx_exit(int cpu)
+{
+}
#endif
void tbi_startup_interrupt(int);
diff --git a/arch/metag/kernel/smp.c b/arch/metag/kernel/smp.c
index ac3a199e3..c3c6f0864 100644
--- a/arch/metag/kernel/smp.c
+++ b/arch/metag/kernel/smp.c
@@ -312,6 +312,7 @@ void cpu_die(void)
{
local_irq_disable();
idle_task_exit();
+ irq_ctx_exit(smp_processor_id());
(void)cpu_report_death();
@@ -366,6 +367,7 @@ asmlinkage void secondary_start_kernel(void)
panic("No TBI found!");
per_cpu_trap_init(cpu);
+ irq_ctx_init(cpu);
preempt_disable();
diff --git a/arch/metag/mm/highmem.c b/arch/metag/mm/highmem.c
index 807f1b1c4..f19a87f2c 100644
--- a/arch/metag/mm/highmem.c
+++ b/arch/metag/mm/highmem.c
@@ -111,20 +111,6 @@ void *kmap_atomic_pfn(unsigned long pfn)
return (void *)vaddr;
}
-struct page *kmap_atomic_to_page(void *ptr)
-{
- unsigned long vaddr = (unsigned long)ptr;
- int idx;
- pte_t *pte;
-
- if (vaddr < FIXADDR_START)
- return virt_to_page(ptr);
-
- idx = virt_to_fix(vaddr);
- pte = kmap_pte - (idx - FIX_KMAP_BEGIN);
- return pte_page(*pte);
-}
-
void __init kmap_init(void)
{
unsigned long kmap_vstart;