[PATCH] m32r: NONCACHE_OFFSET in _port2addr
Change _port2addr() not to add NONCACHE_OFFSET. Adding NONCACHE_OFFSET
requires needless address adjusting by a driver using ioremap() like a
SMC91x driver.
Signed-off-by: Hayato Fujiwara <fujiwara@linux-m32r.org>
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/m32r/kernel/io_mappi.c b/arch/m32r/kernel/io_mappi.c
index 7803316..3c3da04 100644
--- a/arch/m32r/kernel/io_mappi.c
+++ b/arch/m32r/kernel/io_mappi.c
@@ -31,7 +31,7 @@
static inline void *_port2addr(unsigned long port)
{
- return (void *)(port + NONCACHE_OFFSET);
+ return (void *)(port | (NONCACHE_OFFSET));
}
static inline void *_port2addr_ne(unsigned long port)
diff --git a/arch/m32r/kernel/io_mappi2.c b/arch/m32r/kernel/io_mappi2.c
index 5c03504..d04e90a 100644
--- a/arch/m32r/kernel/io_mappi2.c
+++ b/arch/m32r/kernel/io_mappi2.c
@@ -33,7 +33,7 @@
static inline void *_port2addr(unsigned long port)
{
- return (void *)(port + NONCACHE_OFFSET);
+ return (void *)(port | (NONCACHE_OFFSET));
}
#define LAN_IOSTART 0x300
diff --git a/arch/m32r/kernel/io_oaks32r.c b/arch/m32r/kernel/io_oaks32r.c
index 9997ddd..8be3239 100644
--- a/arch/m32r/kernel/io_oaks32r.c
+++ b/arch/m32r/kernel/io_oaks32r.c
@@ -16,7 +16,7 @@
static inline void *_port2addr(unsigned long port)
{
- return (void *)(port + NONCACHE_OFFSET);
+ return (void *)(port | (NONCACHE_OFFSET));
}
static inline void *_port2addr_ne(unsigned long port)
diff --git a/arch/m32r/kernel/io_opsput.c b/arch/m32r/kernel/io_opsput.c
index e34951e..5ac84b1 100644
--- a/arch/m32r/kernel/io_opsput.c
+++ b/arch/m32r/kernel/io_opsput.c
@@ -36,7 +36,7 @@
static inline void *_port2addr(unsigned long port)
{
- return (void *)(port + NONCACHE_OFFSET);
+ return (void *)(port | (NONCACHE_OFFSET));
}
/*
diff --git a/arch/m32r/kernel/io_usrv.c b/arch/m32r/kernel/io_usrv.c
index 9eb161d..39a379af 100644
--- a/arch/m32r/kernel/io_usrv.c
+++ b/arch/m32r/kernel/io_usrv.c
@@ -47,7 +47,7 @@
else if (port >= UART1_IOSTART && port <= UART1_IOEND)
port = ((port - UART1_IOSTART) << 1) + UART1_REGSTART;
#endif /* CONFIG_SERIAL_8250 || CONFIG_SERIAL_8250_MODULE */
- return (void *)(port + NONCACHE_OFFSET);
+ return (void *)(port | (NONCACHE_OFFSET));
}
static inline void delay(void)