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authorMax Filippov <jcmvbkbc@gmail.com>2012-09-17 05:44:40 +0400
committerChris Zankel <chris@zankel.net>2012-10-03 15:11:42 -0700
commitd38efc1f150f38b7f593ac7e26789c550d4bc183 (patch)
tree79ec8a6d3066c0e0fe0d303ed62e48bdba8cede1 /arch/xtensa/kernel
parent02f3774877382bac52972a677c2c5fbd3532a1a1 (diff)
downloadop-kernel-dev-d38efc1f150f38b7f593ac7e26789c550d4bc183.zip
op-kernel-dev-d38efc1f150f38b7f593ac7e26789c550d4bc183.tar.gz
xtensa: adopt generic io routines
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/kernel')
-rw-r--r--arch/xtensa/kernel/Makefile2
-rw-r--r--arch/xtensa/kernel/io.c75
2 files changed, 1 insertions, 76 deletions
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index 0f9f35f..f36cef5 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -6,7 +6,7 @@ extra-y := head.o vmlinux.lds
obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o \
setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \
- pci-dma.o io.o
+ pci-dma.o
obj-$(CONFIG_KGDB) += xtensa-stub.o
obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/xtensa/kernel/io.c b/arch/xtensa/kernel/io.c
deleted file mode 100644
index 5b65269..0000000
--- a/arch/xtensa/kernel/io.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * arch/xtensa/io.c
- *
- * IO primitives
- *
- * 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.
- *
- * Copied from sparc.
- *
- * Chris Zankel <chris@zankel.net>
- *
- */
-
-#include <asm/io.h>
-#include <asm/byteorder.h>
-
-void outsb(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 1;
- writeb(*(const char *)src, addr);
- src += 1;
- addr += 1;
- }
-}
-
-void outsw(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 2;
- writew(*(const short *)src, addr);
- src += 2;
- addr += 2;
- }
-}
-
-void outsl(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 4;
- writel(*(const long *)src, addr);
- src += 4;
- addr += 4;
- }
-}
-
-void insb(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 1;
- *(unsigned char *)dst = readb(addr);
- dst += 1;
- addr += 1;
- }
-}
-
-void insw(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 2;
- *(unsigned short *)dst = readw(addr);
- dst += 2;
- addr += 2;
- }
-}
-
-void insl(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 4;
- /*
- * XXX I am sure we are in for an unaligned trap here.
- */
- *(unsigned long *)dst = readl(addr);
- dst += 4;
- addr += 4;
- }
-}
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