2017-11-15 20:31:40

by Corentin LABBE

[permalink] [raw]
Subject: [PATCH] arm: Remove unused __readwrite_bug function

The function __readwrite_bug() is not used at all, so this patch remove
it.

Signed-off-by: Corentin Labbe <[email protected]>
---
arch/arm/include/asm/io.h | 5 -----
arch/arm/kernel/traps.c | 7 -------
2 files changed, 12 deletions(-)

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 2cfbc531f63b..6a9d9d2d4c0a 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -150,11 +150,6 @@ extern void __iomem * (*arch_ioremap_caller)(phys_addr_t, size_t,
extern void (*arch_iounmap)(volatile void __iomem *);

/*
- * Bad read/write accesses...
- */
-extern void __readwrite_bug(const char *fn);
-
-/*
* A typesafe __io() helper
*/
static inline void __iomem *__typesafe_io(unsigned long addr)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 5cf04888c581..cce8b18d673f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -757,13 +757,6 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
arm_notify_die("unknown data abort code", regs, &info, instr, 0);
}

-void __readwrite_bug(const char *fn)
-{
- pr_err("%s called, but not implemented\n", fn);
- BUG();
-}
-EXPORT_SYMBOL(__readwrite_bug);
-
void __pte_error(const char *file, int line, pte_t pte)
{
pr_err("%s:%d: bad pte %08llx.\n", file, line, (long long)pte_val(pte));
--
2.13.6


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