10 files changed, 29 insertions, 201 deletions
diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig
index 78e0e7be57ee..472fdf365cad 100644
--- a/arch/sh/configs/se7206_defconfig
+++ b/arch/sh/configs/se7206_defconfig
@@ -104,5 +104,3 @@ CONFIG_CRYPTO_LZO=y
 CONFIG_CRC_CCITT=y
 CONFIG_CRC16=y
 CONFIG_CRC_ITU_T=y
-CONFIG_CRC7=y
-CONFIG_LIBCRC32C=y
diff --git a/arch/sh/configs/sh2007_defconfig b/arch/sh/configs/sh2007_defconfig
index 977ae405a75e..1b1174a07e36 100644
--- a/arch/sh/configs/sh2007_defconfig
+++ b/arch/sh/configs/sh2007_defconfig
@@ -195,4 +195,3 @@ CONFIG_CRYPTO_LZO=y
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC_CCITT=y
 CONFIG_CRC16=y
-CONFIG_LIBCRC32C=y
diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig
index 99bc0e889287..11ff5fd510de 100644
--- a/arch/sh/configs/titan_defconfig
+++ b/arch/sh/configs/titan_defconfig
@@ -266,4 +266,3 @@ CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRC16=m
-CONFIG_LIBCRC32C=m
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index cf5eab840d57..0f663ebec700 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -19,7 +19,6 @@
 #include <asm/machvec.h>
 #include <asm/page.h>
 #include <linux/pgtable.h>
-#include <asm-generic/iomap.h>
 
 #define __IO_PREFIX     generic
 #include <asm/io_generic.h>
@@ -100,7 +99,7 @@ pfx##writes##bwlq(volatile void __iomem *mem, const void *addr,		\
 	}								\
 }									\
 									\
-static inline void pfx##reads##bwlq(volatile void __iomem *mem,		\
+static inline void pfx##reads##bwlq(const volatile void __iomem *mem,	\
 				    void *addr, unsigned int count)	\
 {									\
 	volatile type *__addr = addr;					\
@@ -114,37 +113,18 @@ static inline void pfx##reads##bwlq(volatile void __iomem *mem,		\
 __BUILD_MEMORY_STRING(__raw_, b, u8)
 __BUILD_MEMORY_STRING(__raw_, w, u16)
 
-void __raw_writesl(void __iomem *addr, const void *data, int longlen);
-void __raw_readsl(const void __iomem *addr, void *data, int longlen);
+void __raw_writesl(void volatile __iomem *addr, const void *data, int longlen);
+void __raw_readsl(const volatile void __iomem *addr, void *data, int longlen);
 
 __BUILD_MEMORY_STRING(__raw_, q, u64)
 
 #define ioport_map ioport_map
-#define ioport_unmap ioport_unmap
 #define pci_iounmap pci_iounmap
 
-#define ioread8 ioread8
-#define ioread16 ioread16
-#define ioread16be ioread16be
-#define ioread32 ioread32
-#define ioread32be ioread32be
-
-#define iowrite8 iowrite8
-#define iowrite16 iowrite16
-#define iowrite16be iowrite16be
-#define iowrite32 iowrite32
-#define iowrite32be iowrite32be
-
-#define ioread8_rep ioread8_rep
-#define ioread16_rep ioread16_rep
-#define ioread32_rep ioread32_rep
-
-#define iowrite8_rep iowrite8_rep
-#define iowrite16_rep iowrite16_rep
-#define iowrite32_rep iowrite32_rep
-
 #ifdef CONFIG_HAS_IOPORT_MAP
 
+extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
+
 /*
  * Slowdown I/O port space accesses for antique hardware.
  */
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)
 {
diff --git a/arch/sh/lib/io.c b/arch/sh/lib/io.c
index ebcf7c0a7335..dc6345e4c53b 100644
--- a/arch/sh/lib/io.c
+++ b/arch/sh/lib/io.c
@@ -11,7 +11,7 @@
 #include <linux/module.h>
 #include <linux/io.h>
 
-void __raw_readsl(const void __iomem *addr, void *datap, int len)
+void __raw_readsl(const volatile void __iomem *addr, void *datap, int len)
 {
 	u32 *data;
 
@@ -60,7 +60,7 @@ void __raw_readsl(const void __iomem *addr, void *datap, int len)
 }
 EXPORT_SYMBOL(__raw_readsl);
 
-void __raw_writesl(void __iomem *addr, const void *data, int len)
+void __raw_writesl(volatile void __iomem *addr, const void *data, int len)
 {
 	if (likely(len != 0)) {
 		int tmp1;