5 files changed, 22 insertions, 170 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index ba917008d63e..7b453592adaf 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -21,10 +21,7 @@ obj-y	:= head_32.o debugtraps.o dumpstack.o				\
 	   syscalls_32.o time.o topology.o traps.o			\
 	   traps_32.o unwinder.o
 
-ifndef CONFIG_GENERIC_IOMAP
-obj-y				+= iomap.o
 obj-$(CONFIG_HAS_IOPORT_MAP)	+= ioport.o
-endif
 
 obj-y				+= sys_sh32.o
 obj-y				+= cpu/
diff --git a/arch/sh/kernel/iomap.c b/arch/sh/kernel/iomap.c
deleted file mode 100644
index 0a0dff4e66de..000000000000
--- a/arch/sh/kernel/iomap.c
+++ /dev/null
@@ -1,162 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * arch/sh/kernel/iomap.c
- *
- * Copyright (C) 2000  Niibe Yutaka
- * Copyright (C) 2005 - 2007 Paul Mundt
- */
-#include <linux/module.h>
-#include <linux/io.h>
-
-unsigned int ioread8(const void __iomem *addr)
-{
-	return readb(addr);
-}
-EXPORT_SYMBOL(ioread8);
-
-unsigned int ioread16(const void __iomem *addr)
-{
-	return readw(addr);
-}
-EXPORT_SYMBOL(ioread16);
-
-unsigned int ioread16be(const void __iomem *addr)
-{
-	return be16_to_cpu(__raw_readw(addr));
-}
-EXPORT_SYMBOL(ioread16be);
-
-unsigned int ioread32(const void __iomem *addr)
-{
-	return readl(addr);
-}
-EXPORT_SYMBOL(ioread32);
-
-unsigned int ioread32be(const void __iomem *addr)
-{
-	return be32_to_cpu(__raw_readl(addr));
-}
-EXPORT_SYMBOL(ioread32be);
-
-void iowrite8(u8 val, void __iomem *addr)
-{
-	writeb(val, addr);
-}
-EXPORT_SYMBOL(iowrite8);
-
-void iowrite16(u16 val, void __iomem *addr)
-{
-	writew(val, addr);
-}
-EXPORT_SYMBOL(iowrite16);
-
-void iowrite16be(u16 val, void __iomem *addr)
-{
-	__raw_writew(cpu_to_be16(val), addr);
-}
-EXPORT_SYMBOL(iowrite16be);
-
-void iowrite32(u32 val, void __iomem *addr)
-{
-	writel(val, addr);
-}
-EXPORT_SYMBOL(iowrite32);
-
-void iowrite32be(u32 val, void __iomem *addr)
-{
-	__raw_writel(cpu_to_be32(val), addr);
-}
-EXPORT_SYMBOL(iowrite32be);
-
-/*
- * These are the "repeat MMIO read/write" functions.
- * Note the "__raw" accesses, since we don't want to
- * convert to CPU byte order. We write in "IO byte
- * order" (we also don't have IO barriers).
- */
-static inline void mmio_insb(const void __iomem *addr, u8 *dst, int count)
-{
-	while (--count >= 0) {
-		u8 data = __raw_readb(addr);
-		*dst = data;
-		dst++;
-	}
-}
-
-static inline void mmio_insw(const void __iomem *addr, u16 *dst, int count)
-{
-	while (--count >= 0) {
-		u16 data = __raw_readw(addr);
-		*dst = data;
-		dst++;
-	}
-}
-
-static inline void mmio_insl(const void __iomem *addr, u32 *dst, int count)
-{
-	while (--count >= 0) {
-		u32 data = __raw_readl(addr);
-		*dst = data;
-		dst++;
-	}
-}
-
-static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count)
-{
-	while (--count >= 0) {
-		__raw_writeb(*src, addr);
-		src++;
-	}
-}
-
-static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count)
-{
-	while (--count >= 0) {
-		__raw_writew(*src, addr);
-		src++;
-	}
-}
-
-static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count)
-{
-	while (--count >= 0) {
-		__raw_writel(*src, addr);
-		src++;
-	}
-}
-
-void ioread8_rep(const void __iomem *addr, void *dst, unsigned long count)
-{
-	mmio_insb(addr, dst, count);
-}
-EXPORT_SYMBOL(ioread8_rep);
-
-void ioread16_rep(const void __iomem *addr, void *dst, unsigned long count)
-{
-	mmio_insw(addr, dst, count);
-}
-EXPORT_SYMBOL(ioread16_rep);
-
-void ioread32_rep(const void __iomem *addr, void *dst, unsigned long count)
-{
-	mmio_insl(addr, dst, count);
-}
-EXPORT_SYMBOL(ioread32_rep);
-
-void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count)
-{
-	mmio_outsb(addr, src, count);
-}
-EXPORT_SYMBOL(iowrite8_rep);
-
-void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count)
-{
-	mmio_outsw(addr, src, count);
-}
-EXPORT_SYMBOL(iowrite16_rep);
-
-void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count)
-{
-	mmio_outsl(addr, src, count);
-}
-EXPORT_SYMBOL(iowrite32_rep);
diff --git a/arch/sh/kernel/ioport.c b/arch/sh/kernel/ioport.c
index c8aff8a20164..915a3dfd9f02 100644
--- a/arch/sh/kernel/ioport.c
+++ b/arch/sh/kernel/ioport.c
@@ -23,8 +23,3 @@ void __iomem *ioport_map(unsigned long port, unsigned int nr)
 	return (void __iomem *)(port + sh_io_port_base);
 }
 EXPORT_SYMBOL(ioport_map);
-
-void ioport_unmap(void __iomem *addr)
-{
-}
-EXPORT_SYMBOL(ioport_unmap);
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index c8cad33bf250..52a7652fcff6 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -470,3 +470,4 @@
 464	common	getxattrat			sys_getxattrat
 465	common	listxattrat			sys_listxattrat
 466	common	removexattrat			sys_removexattrat
+467	common	open_tree_attr			sys_open_tree_attr
diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c
index add35c51e017..1563dcc55fd3 100644
--- a/arch/sh/kernel/vsyscall/vsyscall.c
+++ b/arch/sh/kernel/vsyscall/vsyscall.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/elf.h>
 #include <linux/sched.h>
+#include <linux/sysctl.h>
 #include <linux/err.h>
 
 /*
@@ -30,6 +31,18 @@ static int __init vdso_setup(char *s)
 }
 __setup("vdso=", vdso_setup);
 
+static const struct ctl_table vdso_table[] = {
+	{
+		.procname	= "vdso_enabled",
+		.data		= &vdso_enabled,
+		.maxlen		= sizeof(vdso_enabled),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_ONE,
+	},
+};
+
 /*
  * These symbols are defined by vsyscall.o to mark the bounds
  * of the ELF DSO images included therein.
@@ -58,6 +71,14 @@ int __init vsyscall_init(void)
 	return 0;
 }
 
+static int __init vm_sysctl_init(void)
+{
+       register_sysctl_init("vm", vdso_table);
+       return 0;
+}
+
+fs_initcall(vm_sysctl_init);
+
 /* Setup a VMA at program startup for the vsyscall page */
 int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
 {