Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / m32r / kernel / io_usrv.c

diff --git a/arch/m32r/kernel/io_usrv.c b/arch/m32r/kernel/io_usrv.c
index 27928a0..39a379a 100644 (file)
--- a/arch/m32r/kernel/io_usrv.c
+++ b/arch/m32r/kernel/io_usrv.c
@@ -3,8 +3,8 @@
  *
  *  Typical I/O routines for uServer board.
  *
- *  Copyright (c) 2001 - 2003  Hiroyuki Kondo, Hirokazu Takata,
- *                             Hitoshi Yamamoto, Takeo Takahashi
+ *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
+ *                           Hitoshi Yamamoto, Takeo Takahashi
  *
  *  This file is subject to the terms and conditions of the GNU General
  *  Public License.  See the file "COPYING" in the main directory of this
@@ -39,7 +39,7 @@ extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
 
 #define PORT2ADDR(port)        _port2addr(port)
 
-static __inline__ void *_port2addr(unsigned long port)
+static inline void *_port2addr(unsigned long port)
 {
 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
        if (port >= UART0_IOSTART && port <= UART0_IOEND)
@@ -47,10 +47,10 @@ static __inline__ void *_port2addr(unsigned long port)
        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)
+static inline void delay(void)
 {
        __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
 }
@@ -87,39 +87,22 @@ unsigned long _inl(unsigned long port)
 
 unsigned char _inb_p(unsigned long port)
 {
-       unsigned char b;
-
-       if (port >= CFC_IOSTART && port <= CFC_IOEND) {
-               pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
-               return b;
-       } else {
-               b = *(volatile unsigned char *)PORT2ADDR(port);
-               delay();
-               return b;
-       }
+       unsigned char v = _inb(port);
+       delay();
+       return v;
 }
 
 unsigned short _inw_p(unsigned long port)
 {
-       unsigned short w;
-
-       if (port >= CFC_IOSTART && port <= CFC_IOEND) {
-               pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
-               return w;
-       } else {
-               w = *(volatile unsigned short *)PORT2ADDR(port);
-               delay();
-               return w;
-       }
+       unsigned short v = _inw(port);
+       delay();
+       return v;
 }
 
 unsigned long _inl_p(unsigned long port)
 {
-       unsigned long v;
-
-       v = *(volatile unsigned long *)PORT2ADDR(port);
+       unsigned long v = _inl(port);
        delay();
-
        return v;
 }
 
@@ -149,25 +132,19 @@ void _outl(unsigned long l, unsigned long port)
 
 void _outb_p(unsigned char b, unsigned long port)
 {
-       if (port >= CFC_IOSTART && port <= CFC_IOEND)
-               pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
-       else
-               *(volatile unsigned char *)PORT2ADDR(port) = b;
+       _outb(b, port);
        delay();
 }
 
 void _outw_p(unsigned short w, unsigned long port)
 {
-       if (port >= CFC_IOSTART && port <= CFC_IOEND)
-               pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
-       else
-               *(volatile unsigned short *)PORT2ADDR(port) = w;
+       _outw(w, port);
        delay();
 }
 
 void _outl_p(unsigned long l, unsigned long port)
 {
-       *(volatile unsigned long *)PORT2ADDR(port) = l;
+       _outl(l, port);
        delay();
 }