arch/powerpc/cpu/mpc8xxx/ddr/interactive.c: Fix GCC 4.6 build warning

Fix:

interactive.c: In function 'fsl_ddr_interactive':
interactive.c:1357:15: warning: variable 'len' set but not used [-Wunused-but-set-variable]

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c b/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c
index d7d66ef4917826cae369509095323ea0eab582f0..5b724371f60669c526529ac967b1447b0d73c643 100644 (file)
--- a/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/interactive.c
@@ -1354,7 +1354,6 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo)
 {
        unsigned long long ddrsize;
        const char *prompt = "FSL DDR>";
-       unsigned int len;
        char buffer[CONFIG_SYS_CBSIZE];
        char *argv[CONFIG_SYS_MAXARGS + 1];     /* NULL terminated */
        int argc;
@@ -1389,7 +1388,7 @@ unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo)
                 * No need to worry for buffer overflow here in
                 * this function;  readline() maxes out at CFG_CBSIZE
                 */
-               len = readline_into_buffer(prompt,  buffer);
+               readline_into_buffer(prompt,  buffer);
                argc = parse_line(buffer, argv);
                if (argc == 0)
                        continue;