Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6

[sfrench/cifs-2.6.git] / include / asm-i386 / io.h

diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h
index 59fe616933c4f9da58cf7aabb5136b6fac2cf6e8..e8e0bd64112052dd82fc9723e7695d17940dedc4 100644 (file)
--- a/include/asm-i386/io.h
+++ b/include/asm-i386/io.h
@@ -112,6 +112,9 @@ extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsign
  * writew/writel functions and the other mmio helpers. The returned
  * address is not guaranteed to be usable directly as a virtual
  * address. 
+ *
+ * If the area you are trying to map is a PCI BAR you should have a
+ * look at pci_iomap().
  */
 
 static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
@@ -129,6 +132,7 @@ extern void iounmap(volatile void __iomem *addr);
  */
 extern void *bt_ioremap(unsigned long offset, unsigned long size);
 extern void bt_iounmap(void *addr, unsigned long size);
+extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
 
 /* Use early IO mappings for DMI because it's initialized early */
 #define dmi_ioremap bt_ioremap
@@ -250,19 +254,22 @@ static inline void flush_write_buffers(void)
 
 #endif /* __KERNEL__ */
 
+static inline void native_io_delay(void)
+{
+       asm volatile("outb %%al,$0x80" : : : "memory");
+}
+
 #if defined(CONFIG_PARAVIRT)
 #include <asm/paravirt.h>
 #else
 
-#define __SLOW_DOWN_IO "outb %%al,$0x80;"
-
 static inline void slow_down_io(void) {
-       __asm__ __volatile__(
-               __SLOW_DOWN_IO
+       native_io_delay();
 #ifdef REALLY_SLOW_IO
-               __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO
+       native_io_delay();
+       native_io_delay();
+       native_io_delay();
 #endif
-               : : );
 }
 
 #endif