Move some IO macros and bad_io_access() to include/linux/io.h
This prepares for moving pci_iounmap() to lib/pci_iomap.c.
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
include/linux/io.h | 36 ++++++++++++++++++++++++++++++++++++
lib/iomap.c | 36 ------------------------------------
2 files changed, 36 insertions(+), 36 deletions(-)
diff --git a/include/linux/io.h b/include/linux/io.h
index 8394c56babc26..fa040f8114eaa 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -13,6 +13,42 @@
#include <asm/io.h>
#include <asm/page.h>
+#ifndef HAVE_ARCH_PIO_SIZE
+/*
+ * We encode the physical PIO addresses (0-0xffff) into the
+ * pointer by offsetting them with a constant (0x10000) and
+ * assuming that all the low addresses are always PIO. That means
+ * we can do some sanity checks on the low bits, and don't
+ * need to just take things for granted.
+ */
+#define PIO_OFFSET 0x10000UL
+#define PIO_MASK 0x0ffffUL
+#define PIO_RESERVED 0x40000UL
+#endif
+
+static inline void bad_io_access(unsigned long port, const char *access)
+{
+ static int count = 10;
+ if (count) {
+ count--;
+ WARN(1, KERN_ERR "Bad IO access at port %#lx (%s)\n", port, access);
+ }
+}
+
+/*
+ * Ugly macros are a way of life.
+ */
+#define IO_COND(addr, is_pio, is_mmio) do { \
+ unsigned long port = (unsigned long __force)addr; \
+ if (port >= PIO_RESERVED) { \
+ is_mmio; \
+ } else if (port > PIO_OFFSET) { \
+ port &= PIO_MASK; \
+ is_pio; \
+ } else \
+ bad_io_access(port, #is_pio); \
+} while (0)
+
struct device;
struct resource;
diff --git a/lib/iomap.c b/lib/iomap.c
index fbaa3e8f19d6c..d40bc6f662540 100644
--- a/lib/iomap.c
+++ b/lib/iomap.c
@@ -23,42 +23,6 @@
* implementation and should do their own copy.
*/
-#ifndef HAVE_ARCH_PIO_SIZE
-/*
- * We encode the physical PIO addresses (0-0xffff) into the
- * pointer by offsetting them with a constant (0x10000) and
- * assuming that all the low addresses are always PIO. That means
- * we can do some sanity checks on the low bits, and don't
- * need to just take things for granted.
- */
-#define PIO_OFFSET 0x10000UL
-#define PIO_MASK 0x0ffffUL
-#define PIO_RESERVED 0x40000UL
-#endif
-
-static void bad_io_access(unsigned long port, const char *access)
-{
- static int count = 10;
- if (count) {
- count--;
- WARN(1, KERN_ERR "Bad IO access at port %#lx (%s)\n", port, access);
- }
-}
-
-/*
- * Ugly macros are a way of life.
- */
-#define IO_COND(addr, is_pio, is_mmio) do { \
- unsigned long port = (unsigned long __force)addr; \
- if (port >= PIO_RESERVED) { \
- is_mmio; \
- } else if (port > PIO_OFFSET) { \
- port &= PIO_MASK; \
- is_pio; \
- } else \
- bad_io_access(port, #is_pio ); \
-} while (0)
-
#ifndef pio_read16be
#define pio_read16be(port) swab16(inw(port))
#define pio_read32be(port) swab32(inl(port))
--
2.25.1
