提交 dedd24a1 编写于 作者: K Kyle McMartin 提交者: Michael Ellerman

powerpc: Remove unused devm_ioremap_prot()

Added in 2008, but has never had any in-tree users, and no other
architectures provide it.
Signed-off-by: NKyle McMartin <kyle@redhat.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
上级 b3c18725
......@@ -851,9 +851,6 @@ static inline void * bus_to_virt(unsigned long address)
#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
size_t size, unsigned long flags);
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_IO_H */
......@@ -12,7 +12,6 @@ CFLAGS_REMOVE_feature-fixups.o = -pg
obj-y := string.o alloc.o \
crtsavres.o ppc_ksyms.o
obj-$(CONFIG_PPC32) += div64.o copy_32.o
obj-$(CONFIG_HAS_IOMEM) += devres.o
obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o \
usercopy_64.o mem_64.o string.o \
......
/*
* Copyright (C) 2008 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/device.h> /* devres_*(), devm_ioremap_release() */
#include <linux/gfp.h>
#include <linux/io.h> /* ioremap_prot() */
#include <linux/export.h> /* EXPORT_SYMBOL() */
/**
* devm_ioremap_prot - Managed ioremap_prot()
* @dev: Generic device to remap IO address for
* @offset: BUS offset to map
* @size: Size of map
* @flags: Page flags
*
* Managed ioremap_prot(). Map is automatically unmapped on driver
* detach.
*/
void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
size_t size, unsigned long flags)
{
void __iomem **ptr, *addr;
ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return NULL;
addr = ioremap_prot(offset, size, flags);
if (addr) {
*ptr = addr;
devres_add(dev, ptr);
} else
devres_free(ptr);
return addr;
}
EXPORT_SYMBOL(devm_ioremap_prot);
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