x86, olpc: Constify an olpc_ofw() arg

The arguments passed to OFW shouldn't be modified; update the 'args'
argument of olpc_ofw to reflect this.  This saves us some later
casting away of consts.

Signed-off-by: Andres Salomon <dilinger@queued.net>
LKML-Reference: <20100628220029.1555ac24@debian>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/include/asm/olpc_ofw.h b/arch/x86/include/asm/olpc_ofw.h
index 3e63d857c48f5bedbee80c6bb9e9a68f79b09d1c..08fde475cb3b38fcf75e2c41ba3f14ced47dc8a9 100644 (file)
--- a/arch/x86/include/asm/olpc_ofw.h
+++ b/arch/x86/include/asm/olpc_ofw.h
@@ -12,7 +12,7 @@
 #define olpc_ofw(name, args, res) \
        __olpc_ofw((name), ARRAY_SIZE(args), args, ARRAY_SIZE(res), res)
 
-extern int __olpc_ofw(const char *name, int nr_args, void **args, int nr_res,
+extern int __olpc_ofw(const char *name, int nr_args, const void **args, int nr_res,
                void **res);
 
 /* determine whether OFW is available and lives in the proper memory */

diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c
index f5ff3903b38b42df6dabb7ef1bebcab62b06ea6e..0e0cdde519be93a3cda8bab4ba6d8637632171ef 100644 (file)
--- a/arch/x86/kernel/olpc.c
+++ b/arch/x86/kernel/olpc.c
@@ -188,7 +188,7 @@ static void __init platform_detect(void)
 {
        size_t propsize;
        __be32 rev;
-       void *args[] = { NULL, "board-revision-int", &rev, (void *)4 };
+       const void *args[] = { NULL, "board-revision-int", &rev, (void *)4 };
        void *res[] = { &propsize };
 
        if (olpc_ofw("getprop", args, res) || propsize != 4) {

diff --git a/arch/x86/kernel/olpc_ofw.c b/arch/x86/kernel/olpc_ofw.c
index f5d499fbe74f27677998b87f5947f04130dbee78..3218aa71ab5ebb7dd20a7d1dd94cfd88dcb3d755 100644 (file)
--- a/arch/x86/kernel/olpc_ofw.c
+++ b/arch/x86/kernel/olpc_ofw.c
@@ -40,7 +40,7 @@ void __init setup_olpc_ofw_pgd(void)
        early_iounmap(base, sizeof(olpc_ofw_pgd) * PTRS_PER_PGD);
 }
 
-int __olpc_ofw(const char *name, int nr_args, void **args, int nr_res,
+int __olpc_ofw(const char *name, int nr_args, const void **args, int nr_res,
                void **res)
 {
        int ofw_args[MAXARGS + 3];