[U-Boot-Users] [PATCH] Fix missing dcache_enable symbol and declare cache function as weak

[Jean-Christophe PLAGNIOL-VILLARD]

Recent commit a4986459 adds reference to dcache_enable set dcache and ecache
function as __weak.

For cache status function it will return 0 if the function is not implemented

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>

diff --git a/include/common.h b/include/common.h
index f2adebf..ca68802 100644
--- a/include/common.h
+++ b/include/common.h
@@ -386,12 +386,12 @@ void	wr_ic_adr     (uint);
 uint	rd_dc_cst     (void);
 void	wr_dc_cst     (uint);
 void	wr_dc_adr     (uint);
-int	icache_status (void);
-void	icache_enable (void);
-void	icache_disable(void);
-int	dcache_status (void);
-void	dcache_enable (void);
-void	dcache_disable(void);
+int	icache_status (void) __attribute__((weak));
+void	icache_enable (void) __attribute__((weak));
+void	icache_disable(void) __attribute__((weak));
+int	dcache_status (void) __attribute__((weak));
+void	dcache_enable (void) __attribute__((weak));
+void	dcache_disable(void) __attribute__((weak));
 void	relocate_code (ulong, gd_t *, ulong) __attribute__ ((noreturn));
 ulong	get_endaddr   (void);
 void	trap_init     (ulong);
-- 
1.5.4.5