driver/mmc: fix compile warnings

Fix following compile warnings
fsl_esdhc_spl.c: In function 'mmc_boot':
fsl_esdhc_spl.c:35:10: warning: unused variable 'byte_num' [-Wunused-variable]
fsl_esdhc_spl.c:35:7: warning: unused variable 'i' [-Wunused-variable]
fsl_esdhc_spl.c:34:8: warning: unused variable 'val' [-Wunused-variable]
fsl_esdhc_spl.c:33:6: warning: unused variable 'blklen' [-Wunused-variable]
fsl_esdhc_spl.c:105:7: warning: 'tmp_buf' may be used uninitialized in this
function [-Wuninitialized]

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

diff --git a/drivers/mmc/fsl_esdhc_spl.c b/drivers/mmc/fsl_esdhc_spl.c
index 8fc263f4f40b864d8c9c8090c88896a7995a2a87..e0bbf21b62885904f730c194c5c605e01c30f948 100644 (file)
--- a/drivers/mmc/fsl_esdhc_spl.c
+++ b/drivers/mmc/fsl_esdhc_spl.c
@@ -29,10 +29,12 @@ void __noreturn mmc_boot(void)
 {
        __attribute__((noreturn)) void (*uboot)(void);
        uint blk_start, blk_cnt, err;
-       u32 blklen;
+#ifndef CONFIG_FSL_CORENET
        uchar *tmp_buf;
+       u32 blklen;
        uchar val;
        uint i, byte_num;
+#endif
        u32 offset, code_len;
        struct mmc *mmc;
 
@@ -102,7 +104,9 @@ void __noreturn mmc_boot(void)
                                        (uchar *)CONFIG_SYS_MMC_U_BOOT_DST);
        if (err != blk_cnt) {
                puts("spl: mmc read failed!!\n");
+#ifndef CONFIG_FSL_CORENET
                free(tmp_buf);
+#endif
                hang();
        }