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    Subject[tip:x86/olpc] x86, olpc: Constify an olpc_ofw() arg
    Commit-ID:  54e5bc020ce1c959eaa7be18cedb734b6b13745e
    Gitweb: http://git.kernel.org/tip/54e5bc020ce1c959eaa7be18cedb734b6b13745e
    Author: Andres Salomon <dilinger@queued.net>
    AuthorDate: Mon, 28 Jun 2010 22:00:29 -0400
    Committer: H. Peter Anvin <hpa@linux.intel.com>
    CommitDate: Fri, 30 Jul 2010 18:02:21 -0700

    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>
    ---
    arch/x86/include/asm/olpc_ofw.h | 2 +-
    arch/x86/kernel/olpc.c | 2 +-
    arch/x86/kernel/olpc_ofw.c | 2 +-
    3 files changed, 3 insertions(+), 3 deletions(-)

    diff --git a/arch/x86/include/asm/olpc_ofw.h b/arch/x86/include/asm/olpc_ofw.h
    index 3e63d85..08fde47 100644
    --- 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 f5ff3903..0e0cdde 100644
    --- 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 f5d499f..3218aa7 100644
    --- 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];

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