From: Simon Glass <sjg@chromium.org>
Date: Sun, 17 Feb 2019 03:24:46 +0000 (-0700)
Subject: x86: Adjust I/O macros to work on 64-bit machines
X-Git-Tag: v2025.01-rc5-pxa1908~3108^2~21
X-Git-Url: http://git.dujemihanovic.xyz/html/index.html?a=commitdiff_plain;h=3a44bfdf083f1d1dfbb3d1613d8ec75d07b7f972;p=u-boot.git

x86: Adjust I/O macros to work on 64-bit machines

At present these macros give warnings on 64-bit machines and do not
correctly do 32-bit accesses. Update them to use linux types.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 81def0afd3..cf6c33cbe3 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -57,19 +57,19 @@
  * memory location directly.
  */
 
-#define readb(addr) (*(volatile unsigned char *) (addr))
-#define readw(addr) (*(volatile unsigned short *) (addr))
-#define readl(addr) (*(volatile unsigned int *) (addr))
-#define readq(addr) (*(volatile unsigned long long *) (addr))
+#define readb(addr) (*(volatile u8 *)(uintptr_t)(addr))
+#define readw(addr) (*(volatile u16 *)(uintptr_t)(addr))
+#define readl(addr) (*(volatile u32 *)(uintptr_t)(addr))
+#define readq(addr) (*(volatile u64 *)(uintptr_t)(addr))
 #define __raw_readb readb
 #define __raw_readw readw
 #define __raw_readl readl
 #define __raw_readq readq
 
-#define writeb(b,addr) (*(volatile unsigned char *) (addr) = (b))
-#define writew(b,addr) (*(volatile unsigned short *) (addr) = (b))
-#define writel(b,addr) (*(volatile unsigned int *) (addr) = (b))
-#define writeq(b,addr) (*(volatile unsigned long long *) (addr) = (b))
+#define writeb(b, addr) (*(volatile u8 *)(addr) = (b))
+#define writew(b, addr) (*(volatile u16 *)(addr) = (b))
+#define writel(b, addr) (*(volatile u32 *)(addr) = (b))
+#define writeq(b, addr) (*(volatile u64 *)(addr) = (b))
 #define __raw_writeb writeb
 #define __raw_writew writew
 #define __raw_writel writel