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arm: vt8500: Fix build warning in uncompress.h

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This removes a build-time warning in uncompress.h due to incorrectly
cast values being passed to readb/writeb.

Removed arm/io.h and readb/writeb. Read/write directly to the serial
port with a volatile pointer.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Tony Prisk
2012-10-08 10:23:32 +13:00
committed by Olof Johansson
parent 6852826514
commit 096947fdab
1 changed files with 4 additions and 4 deletions
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6
arch/arm/mach-vt8500/include/mach/uncompress.h
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@@ -16,14 +16,14 @@
*/ */
#define UART0_PHYS 0xd8200000 #define UART0_PHYS 0xd8200000
#include <asm/io.h> #define UART0_ADDR(x) *(volatile unsigned char *)(UART0_PHYS + x)
static void putc(const char c) static void putc(const char c)
{ {
while (readb(UART0_PHYS + 0x1c) & 0x2) while (UART0_ADDR(0x1c) & 0x2)
/* Tx busy, wait and poll */; /* Tx busy, wait and poll */;
writeb(c, UART0_PHYS); UART0_ADDR(0) = c;
} }
static void flush(void) static void flush(void)