diff options
Diffstat (limited to 'arch/ia64/lib/io.c')
-rw-r--r-- | arch/ia64/lib/io.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/arch/ia64/lib/io.c b/arch/ia64/lib/io.c deleted file mode 100644 index c3e02462ed..0000000000 --- a/arch/ia64/lib/io.c +++ /dev/null @@ -1,51 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <linux/module.h> -#include <linux/types.h> - -#include <asm/io.h> - -/* - * Copy data from IO memory space to "real" memory space. - * This needs to be optimized. - */ -void memcpy_fromio(void *to, const volatile void __iomem *from, long count) -{ - char *dst = to; - - while (count) { - count--; - *dst++ = readb(from++); - } -} -EXPORT_SYMBOL(memcpy_fromio); - -/* - * Copy data from "real" memory space to IO memory space. - * This needs to be optimized. - */ -void memcpy_toio(volatile void __iomem *to, const void *from, long count) -{ - const char *src = from; - - while (count) { - count--; - writeb(*src++, to++); - } -} -EXPORT_SYMBOL(memcpy_toio); - -/* - * "memset" on IO memory space. - * This needs to be optimized. - */ -void memset_io(volatile void __iomem *dst, int c, long count) -{ - unsigned char ch = (char)(c & 0xff); - - while (count) { - count--; - writeb(ch, dst); - dst++; - } -} -EXPORT_SYMBOL(memset_io); |