diff options
Diffstat (limited to 'arch/sh/kernel')
| -rw-r--r-- | arch/sh/kernel/cpu/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/irq/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/smp-shx3.c | 26 | ||||
| -rw-r--r-- | arch/sh/kernel/dma-nommu.c | 7 | ||||
| -rw-r--r-- | arch/sh/kernel/ftrace.c | 6 | ||||
| -rw-r--r-- | arch/sh/kernel/vmlinux.lds.S | 1 |
6 files changed, 16 insertions, 28 deletions
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile index accc7ca722e1..252e9fee687f 100644 --- a/arch/sh/kernel/cpu/Makefile +++ b/arch/sh/kernel/cpu/Makefile @@ -1,5 +1,5 @@ # -# Makefile for the Linux/SuperH CPU-specifc backends. +# Makefile for the Linux/SuperH CPU-specific backends. # obj-$(CONFIG_CPU_SH2) = sh2/ diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile index f0c7025a67d1..3f8e79402d7d 100644 --- a/arch/sh/kernel/cpu/irq/Makefile +++ b/arch/sh/kernel/cpu/irq/Makefile @@ -1,5 +1,5 @@ # -# Makefile for the Linux/SuperH CPU-specifc IRQ handlers. +# Makefile for the Linux/SuperH CPU-specific IRQ handlers. # obj-$(CONFIG_SUPERH32) += imask.o obj-$(CONFIG_CPU_SH5) += intc-sh5.o diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c index 839612c8a0a0..0d3637c494bf 100644 --- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c @@ -122,32 +122,16 @@ static void shx3_update_boot_vector(unsigned int cpu) __raw_writel(STBCR_RESET, STBCR_REG(cpu)); } -static int -shx3_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) +static int shx3_cpu_prepare(unsigned int cpu) { - unsigned int cpu = (unsigned int)hcpu; - - switch (action) { - case CPU_UP_PREPARE: - shx3_update_boot_vector(cpu); - break; - case CPU_ONLINE: - pr_info("CPU %u is now online\n", cpu); - break; - case CPU_DEAD: - break; - } - - return NOTIFY_OK; + shx3_update_boot_vector(cpu); + return 0; } -static struct notifier_block shx3_cpu_notifier = { - .notifier_call = shx3_cpu_callback, -}; - static int register_shx3_cpu_notifier(void) { - register_hotcpu_notifier(&shx3_cpu_notifier); + cpuhp_setup_state_nocalls(CPUHP_SH_SH3X_PREPARE, "sh/shx3:prepare", + shx3_cpu_prepare, NULL); return 0; } late_initcall(register_shx3_cpu_notifier); diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c index eadb669a7329..47fee3b6e29c 100644 --- a/arch/sh/kernel/dma-nommu.c +++ b/arch/sh/kernel/dma-nommu.c @@ -18,7 +18,9 @@ static dma_addr_t nommu_map_page(struct device *dev, struct page *page, dma_addr_t addr = page_to_phys(page) + offset; WARN_ON(size == 0); - dma_cache_sync(dev, page_address(page) + offset, size, dir); + + if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) + dma_cache_sync(dev, page_address(page) + offset, size, dir); return addr; } @@ -35,7 +37,8 @@ static int nommu_map_sg(struct device *dev, struct scatterlist *sg, for_each_sg(sg, s, nents, i) { BUG_ON(!sg_page(s)); - dma_cache_sync(dev, sg_virt(s), s->length, dir); + if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC)) + dma_cache_sync(dev, sg_virt(s), s->length, dir); s->dma_address = sg_phys(s); s->dma_length = s->length; diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c index 38993e09ef03..53783978162e 100644 --- a/arch/sh/kernel/ftrace.c +++ b/arch/sh/kernel/ftrace.c @@ -139,7 +139,7 @@ static void ftrace_mod_code(void) clear_mod_flag(); } -void ftrace_nmi_enter(void) +void arch_ftrace_nmi_enter(void) { if (atomic_inc_return(&nmi_running) & MOD_CODE_WRITE_FLAG) { smp_rmb(); @@ -150,7 +150,7 @@ void ftrace_nmi_enter(void) smp_mb(); } -void ftrace_nmi_exit(void) +void arch_ftrace_nmi_exit(void) { /* Finish all executions before clearing nmi_running */ smp_mb(); @@ -382,7 +382,7 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) return; } - err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0); + err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0, NULL); if (err == -EBUSY) { __raw_writel(old, parent); return; diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 235a4101999f..5b9a3cc90c58 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -36,6 +36,7 @@ SECTIONS TEXT_TEXT EXTRA_TEXT SCHED_TEXT + CPUIDLE_TEXT LOCK_TEXT KPROBES_TEXT IRQENTRY_TEXT |
