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ARM: 7671/1: use Kconfig to select uncompress.h

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Following the approach handling DEBUG_LL inclusion, the patch creates
a Kconfig symbol CONFIG_UNCOMPRESS_INCLUDE for choosing the correct
uncompress header.  For traditional build, mach/uncompress.h will be
included in arch/arm/boot/compressed/misc.c.  For multiplatform build,
debug/uncompress.h which contains a suite of empty functions will be
used.  In this way, a platform with particular uncompress.h
implementation could choose its own uncompress.h with this Kconfig
option.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Shawn Guo 2013-03-14 08:47:27 +01:00 committed by Russell King
parent f6161aa153
commit 615967b00f
3 changed files with 9 additions and 7 deletions
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5
arch/arm/Kconfig.debug
View file

@ -601,6 +601,11 @@ config DEBUG_LL_INCLUDE
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
default "mach/debug-macro.S"
config UNCOMPRESS_INCLUDE
string
default "debug/uncompress.h" if ARCH_MULTIPLATFORM
default "mach/uncompress.h"
config EARLY_PRINTK
bool "Early printk"
depends on DEBUG_LL

8
arch/arm/boot/compressed/misc.c
View file

@ -25,13 +25,7 @@ unsigned int __machine_arch_type;
static void putstr(const char *ptr);
extern void error(char *x);
#ifdef CONFIG_ARCH_MULTIPLATFORM
static inline void putc(int c) {}
static inline void flush(void) {}
static inline void arch_decomp_setup(void) {}
#else
#include <mach/uncompress.h>
#endif
#include CONFIG_UNCOMPRESS_INCLUDE
#ifdef CONFIG_DEBUG_ICEDCC

3
arch/arm/include/debug/uncompress.h Normal file
View file

@ -0,0 +1,3 @@
static inline void putc(int c) {}
static inline void flush(void) {}
static inline void arch_decomp_setup(void) {}