diff options
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/Kconfig | 6 | ||||
-rw-r--r-- | arch/sh/boards/mach-ecovec24/setup.c | 12 | ||||
-rw-r--r-- | arch/sh/configs/apsh4ad0a_defconfig | 1 | ||||
-rw-r--r-- | arch/sh/configs/ecovec24-romimage_defconfig | 1 | ||||
-rw-r--r-- | arch/sh/configs/rsk7264_defconfig | 1 | ||||
-rw-r--r-- | arch/sh/configs/rsk7269_defconfig | 1 | ||||
-rw-r--r-- | arch/sh/configs/sh7785lcr_32bit_defconfig | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/Kbuild | 1 | ||||
-rw-r--r-- | arch/sh/include/asm/io.h | 3 | ||||
-rw-r--r-- | arch/sh/include/asm/mmiowb.h | 12 | ||||
-rw-r--r-- | arch/sh/include/asm/pgalloc.h | 9 | ||||
-rw-r--r-- | arch/sh/include/asm/spinlock-llsc.h | 2 | ||||
-rw-r--r-- | arch/sh/include/asm/syscall_32.h | 2 | ||||
-rw-r--r-- | arch/sh/include/asm/syscall_64.h | 2 | ||||
-rw-r--r-- | arch/sh/include/asm/tlb.h | 132 | ||||
-rw-r--r-- | arch/sh/include/cpu-sh4/cpu/sh7786.h | 2 | ||||
-rw-r--r-- | arch/sh/include/uapi/asm/sockios.h | 5 | ||||
-rw-r--r-- | arch/sh/kernel/stacktrace.c | 4 |
18 files changed, 39 insertions, 158 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index b1c91ea9a958..0be08d586d40 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -90,12 +90,6 @@ config ARCH_DEFCONFIG default "arch/sh/configs/shx3_defconfig" if SUPERH32 default "arch/sh/configs/cayman_defconfig" if SUPERH64 -config RWSEM_GENERIC_SPINLOCK - def_bool y - -config RWSEM_XCHGADD_ALGORITHM - bool - config GENERIC_BUG def_bool y depends on BUG && SUPERH32 diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 34e5414c5563..f402aa741bf3 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -806,7 +806,6 @@ static struct spi_board_info spi_bus[] = { .platform_data = &mmc_spi_info, .max_speed_hz = 5000000, .mode = SPI_MODE_0, - .controller_data = (void *) GPIO_PTM4, }, }; @@ -838,6 +837,14 @@ static struct platform_device msiof0_device = { .resource = msiof0_resources, }; +static struct gpiod_lookup_table msiof_gpio_table = { + .dev_id = "spi_sh_msiof.0", + .table = { + GPIO_LOOKUP("sh7724_pfc", GPIO_PTM4, "cs", GPIO_ACTIVE_HIGH), + { }, + }, +}; + #endif /* FSI */ @@ -1296,12 +1303,11 @@ static int __init arch_setup(void) gpio_request(GPIO_FN_MSIOF0_TXD, NULL); gpio_request(GPIO_FN_MSIOF0_RXD, NULL); gpio_request(GPIO_FN_MSIOF0_TSCK, NULL); - gpio_request(GPIO_PTM4, NULL); /* software CS control of TSYNC pin */ - gpio_direction_output(GPIO_PTM4, 1); /* active low CS */ gpio_request(GPIO_PTB6, NULL); /* 3.3V power control */ gpio_direction_output(GPIO_PTB6, 0); /* disable power by default */ gpiod_add_lookup_table(&mmc_spi_gpio_table); + gpiod_add_lookup_table(&msiof_gpio_table); spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus)); #endif diff --git a/arch/sh/configs/apsh4ad0a_defconfig b/arch/sh/configs/apsh4ad0a_defconfig index 825c641726c4..d0d9ebc7165b 100644 --- a/arch/sh/configs/apsh4ad0a_defconfig +++ b/arch/sh/configs/apsh4ad0a_defconfig @@ -19,7 +19,6 @@ CONFIG_SLAB=y CONFIG_PROFILING=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -# CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set CONFIG_CFQ_GROUP_IOSCHED=y CONFIG_CPU_SUBTYPE_SH7786=y diff --git a/arch/sh/configs/ecovec24-romimage_defconfig b/arch/sh/configs/ecovec24-romimage_defconfig index 0c5dfccbfe37..bdb61d1d0127 100644 --- a/arch/sh/configs/ecovec24-romimage_defconfig +++ b/arch/sh/configs/ecovec24-romimage_defconfig @@ -7,7 +7,6 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y # CONFIG_KALLSYMS is not set CONFIG_SLAB=y -# CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set CONFIG_CPU_SUBTYPE_SH7724=y CONFIG_MEMORY_SIZE=0x10000000 diff --git a/arch/sh/configs/rsk7264_defconfig b/arch/sh/configs/rsk7264_defconfig index 2b9b731fc86b..ad003ee469ea 100644 --- a/arch/sh/configs/rsk7264_defconfig +++ b/arch/sh/configs/rsk7264_defconfig @@ -16,7 +16,6 @@ CONFIG_PERF_COUNTERS=y CONFIG_SLAB=y CONFIG_MMAP_ALLOW_UNINITIALIZED=y CONFIG_PROFILING=y -# CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set CONFIG_PARTITION_ADVANCED=y # CONFIG_IOSCHED_DEADLINE is not set diff --git a/arch/sh/configs/rsk7269_defconfig b/arch/sh/configs/rsk7269_defconfig index d041f7bcb84c..27fc01d58cf8 100644 --- a/arch/sh/configs/rsk7269_defconfig +++ b/arch/sh/configs/rsk7269_defconfig @@ -3,7 +3,6 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_EMBEDDED=y # CONFIG_VM_EVENT_COUNTERS is not set CONFIG_SLAB=y -# CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set diff --git a/arch/sh/configs/sh7785lcr_32bit_defconfig b/arch/sh/configs/sh7785lcr_32bit_defconfig index 2ddf5ca7094e..a89ccc15af23 100644 --- a/arch/sh/configs/sh7785lcr_32bit_defconfig +++ b/arch/sh/configs/sh7785lcr_32bit_defconfig @@ -11,7 +11,6 @@ CONFIG_PROFILING=y CONFIG_GCOV_KERNEL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -# CONFIG_LBDAF is not set # CONFIG_BLK_DEV_BSG is not set CONFIG_CPU_SUBTYPE_SH7785=y CONFIG_MEMORY_START=0x40000000 diff --git a/arch/sh/include/asm/Kbuild b/arch/sh/include/asm/Kbuild index 7bf2cb680d32..73fff39a0122 100644 --- a/arch/sh/include/asm/Kbuild +++ b/arch/sh/include/asm/Kbuild @@ -17,7 +17,6 @@ generic-y += mm-arch-hooks.h generic-y += parport.h generic-y += percpu.h generic-y += preempt.h -generic-y += rwsem.h generic-y += serial.h generic-y += sizes.h generic-y += trace_clock.h diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 4f7f235f15f8..c28e37a344ad 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -229,9 +229,6 @@ __BUILD_IOPORT_STRING(q, u64) #define IO_SPACE_LIMIT 0xffffffff -/* synco on SH-4A, otherwise a nop */ -#define mmiowb() wmb() - /* We really want to try and get these to memcpy etc */ void memcpy_fromio(void *, const volatile void __iomem *, unsigned long); void memcpy_toio(volatile void __iomem *, const void *, unsigned long); diff --git a/arch/sh/include/asm/mmiowb.h b/arch/sh/include/asm/mmiowb.h new file mode 100644 index 000000000000..535d59735f1d --- /dev/null +++ b/arch/sh/include/asm/mmiowb.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_SH_MMIOWB_H +#define __ASM_SH_MMIOWB_H + +#include <asm/barrier.h> + +/* synco on SH-4A, otherwise a nop */ +#define mmiowb() wmb() + +#include <asm-generic/mmiowb.h> + +#endif /* __ASM_SH_MMIOWB_H */ diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h index 8ad73cb31121..b56f908b1395 100644 --- a/arch/sh/include/asm/pgalloc.h +++ b/arch/sh/include/asm/pgalloc.h @@ -70,6 +70,15 @@ do { \ tlb_remove_page((tlb), (pte)); \ } while (0) +#if CONFIG_PGTABLE_LEVELS > 2 +#define __pmd_free_tlb(tlb, pmdp, addr) \ +do { \ + struct page *page = virt_to_page(pmdp); \ + pgtable_pmd_page_dtor(page); \ + tlb_remove_page((tlb), page); \ +} while (0); +#endif + static inline void check_pgt_cache(void) { quicklist_trim(QUICK_PT, NULL, 25, 16); diff --git a/arch/sh/include/asm/spinlock-llsc.h b/arch/sh/include/asm/spinlock-llsc.h index 786ee0fde3b0..7fd929cd2e7a 100644 --- a/arch/sh/include/asm/spinlock-llsc.h +++ b/arch/sh/include/asm/spinlock-llsc.h @@ -47,6 +47,8 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) { unsigned long tmp; + /* This could be optimised with ARCH_HAS_MMIOWB */ + mmiowb(); __asm__ __volatile__ ( "mov #1, %0 ! arch_spin_unlock \n\t" "mov.l %0, @%1 \n\t" diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h index 8c9d7e5e5dcc..0b5b8e75edac 100644 --- a/arch/sh/include/asm/syscall_32.h +++ b/arch/sh/include/asm/syscall_32.h @@ -72,7 +72,7 @@ static inline void syscall_set_arguments(struct task_struct *task, regs->regs[4] = args[0]; } -static inline int syscall_get_arch(void) +static inline int syscall_get_arch(struct task_struct *task) { int arch = AUDIT_ARCH_SH; diff --git a/arch/sh/include/asm/syscall_64.h b/arch/sh/include/asm/syscall_64.h index 22fad97da066..72efcbc76f91 100644 --- a/arch/sh/include/asm/syscall_64.h +++ b/arch/sh/include/asm/syscall_64.h @@ -59,7 +59,7 @@ static inline void syscall_set_arguments(struct task_struct *task, memcpy(®s->regs[2], args, 6 * sizeof(args[0])); } -static inline int syscall_get_arch(void) +static inline int syscall_get_arch(struct task_struct *task) { int arch = AUDIT_ARCH_SH; diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h index 77abe192fb43..bc77f3dd4261 100644 --- a/arch/sh/include/asm/tlb.h +++ b/arch/sh/include/asm/tlb.h @@ -11,133 +11,8 @@ #ifdef CONFIG_MMU #include <linux/swap.h> -#include <asm/pgalloc.h> -#include <asm/tlbflush.h> -#include <asm/mmu_context.h> -/* - * TLB handling. This allows us to remove pages from the page - * tables, and efficiently handle the TLB issues. - */ -struct mmu_gather { - struct mm_struct *mm; - unsigned int fullmm; - unsigned long start, end; -}; - -static inline void init_tlb_gather(struct mmu_gather *tlb) -{ - tlb->start = TASK_SIZE; - tlb->end = 0; - - if (tlb->fullmm) { - tlb->start = 0; - tlb->end = TASK_SIZE; - } -} - -static inline void -arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - tlb->mm = mm; - tlb->start = start; - tlb->end = end; - tlb->fullmm = !(start | (end+1)); - - init_tlb_gather(tlb); -} - -static inline void -arch_tlb_finish_mmu(struct mmu_gather *tlb, - unsigned long start, unsigned long end, bool force) -{ - if (tlb->fullmm || force) - flush_tlb_mm(tlb->mm); - - /* keep the page table cache within bounds */ - check_pgt_cache(); -} - -static inline void -tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, unsigned long address) -{ - if (tlb->start > address) - tlb->start = address; - if (tlb->end < address + PAGE_SIZE) - tlb->end = address + PAGE_SIZE; -} - -#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \ - tlb_remove_tlb_entry(tlb, ptep, address) - -/* - * In the case of tlb vma handling, we can optimise these away in the - * case where we're doing a full MM flush. When we're doing a munmap, - * the vmas are adjusted to only cover the region to be torn down. - */ -static inline void -tlb_start_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) -{ - if (!tlb->fullmm) - flush_cache_range(vma, vma->vm_start, vma->vm_end); -} - -static inline void -tlb_end_vma(struct mmu_gather *tlb, struct vm_area_struct *vma) -{ - if (!tlb->fullmm && tlb->end) { - flush_tlb_range(vma, tlb->start, tlb->end); - init_tlb_gather(tlb); - } -} - -static inline void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb) -{ -} - -static inline void tlb_flush_mmu_free(struct mmu_gather *tlb) -{ -} - -static inline void tlb_flush_mmu(struct mmu_gather *tlb) -{ -} - -static inline int __tlb_remove_page(struct mmu_gather *tlb, struct page *page) -{ - free_page_and_swap_cache(page); - return false; /* avoid calling tlb_flush_mmu */ -} - -static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) -{ - __tlb_remove_page(tlb, page); -} - -static inline bool __tlb_remove_page_size(struct mmu_gather *tlb, - struct page *page, int page_size) -{ - return __tlb_remove_page(tlb, page); -} - -static inline void tlb_remove_page_size(struct mmu_gather *tlb, - struct page *page, int page_size) -{ - return tlb_remove_page(tlb, page); -} - -#define tlb_remove_check_page_size_change tlb_remove_check_page_size_change -static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, - unsigned int page_size) -{ -} - -#define pte_free_tlb(tlb, ptep, addr) pte_free((tlb)->mm, ptep) -#define pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, pmdp) -#define pud_free_tlb(tlb, pudp, addr) pud_free((tlb)->mm, pudp) - -#define tlb_migrate_finish(mm) do { } while (0) +#include <asm-generic/tlb.h> #if defined(CONFIG_CPU_SH4) || defined(CONFIG_SUPERH64) extern void tlb_wire_entry(struct vm_area_struct *, unsigned long, pte_t); @@ -157,11 +32,6 @@ static inline void tlb_unwire_entry(void) #else /* CONFIG_MMU */ -#define tlb_start_vma(tlb, vma) do { } while (0) -#define tlb_end_vma(tlb, vma) do { } while (0) -#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0) -#define tlb_flush(tlb) do { } while (0) - #include <asm-generic/tlb.h> #endif /* CONFIG_MMU */ diff --git a/arch/sh/include/cpu-sh4/cpu/sh7786.h b/arch/sh/include/cpu-sh4/cpu/sh7786.h index 8f9bfbf3cdb1..d6cce65b4871 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7786.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7786.h @@ -132,7 +132,7 @@ enum { static inline u32 sh7786_mm_sel(void) { - return __raw_readl(0xFC400020) & 0x7; + return __raw_readl((const volatile void __iomem *)0xFC400020) & 0x7; } #endif /* __CPU_SH7786_H__ */ diff --git a/arch/sh/include/uapi/asm/sockios.h b/arch/sh/include/uapi/asm/sockios.h index 17313d2c3527..ef18a668456d 100644 --- a/arch/sh/include/uapi/asm/sockios.h +++ b/arch/sh/include/uapi/asm/sockios.h @@ -10,6 +10,7 @@ #define SIOCSPGRP _IOW('s', 8, pid_t) #define SIOCGPGRP _IOR('s', 9, pid_t) -#define SIOCGSTAMP _IOR('s', 100, struct timeval) /* Get stamp (timeval) */ -#define SIOCGSTAMPNS _IOR('s', 101, struct timespec) /* Get stamp (timespec) */ +#define SIOCGSTAMP_OLD _IOR('s', 100, struct timeval) /* Get stamp (timeval) */ +#define SIOCGSTAMPNS_OLD _IOR('s', 101, struct timespec) /* Get stamp (timespec) */ + #endif /* __ASM_SH_SOCKIOS_H */ diff --git a/arch/sh/kernel/stacktrace.c b/arch/sh/kernel/stacktrace.c index f3cb2cccb262..2950b19ad077 100644 --- a/arch/sh/kernel/stacktrace.c +++ b/arch/sh/kernel/stacktrace.c @@ -49,8 +49,6 @@ void save_stack_trace(struct stack_trace *trace) unsigned long *sp = (unsigned long *)current_stack_pointer; unwind_stack(current, NULL, sp, &save_stack_ops, trace); - if (trace->nr_entries < trace->max_entries) - trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL_GPL(save_stack_trace); @@ -84,7 +82,5 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) unsigned long *sp = (unsigned long *)tsk->thread.sp; unwind_stack(current, NULL, sp, &save_stack_ops_nosched, trace); - if (trace->nr_entries < trace->max_entries) - trace->entries[trace->nr_entries++] = ULONG_MAX; } EXPORT_SYMBOL_GPL(save_stack_trace_tsk); |