Merge git://git.denx.de/u-boot-socfpga

[people/ms/u-boot.git] / common / env_mmc.c

diff --git a/common/env_mmc.c b/common/env_mmc.c
index 88b043ec35b1bd644dd5ae85aa42ab88ba30f090..bb760a00ed82db5b563fc861437f3ae1f9aa2049 100644 (file)
--- a/common/env_mmc.c
+++ b/common/env_mmc.c
@@ -160,10 +160,6 @@ static inline int write_env(struct mmc *mmc, unsigned long size,
        return (n == blk_cnt) ? 0 : -1;
 }
 
-#ifdef CONFIG_ENV_OFFSET_REDUND
-static unsigned char env_flags;
-#endif
-
 int saveenv(void)
 {
        ALLOC_CACHE_ALIGN_BUFFER(env_t, env_new, 1);
@@ -184,8 +180,6 @@ int saveenv(void)
                goto fini;
 
 #ifdef CONFIG_ENV_OFFSET_REDUND
-       env_new->flags  = ++env_flags; /* increase the serial */
-
        if (gd->env_valid == 1)
                copy = 1;
 #endif
@@ -236,8 +230,6 @@ void env_relocate_spec(void)
        struct mmc *mmc;
        u32 offset1, offset2;
        int read1_fail = 0, read2_fail = 0;
-       int crc1_ok = 0, crc2_ok = 0;
-       env_t *ep;
        int ret;
        int dev = mmc_get_env_dev();
        const char *errmsg = NULL;
@@ -268,42 +260,20 @@ void env_relocate_spec(void)
                puts("*** Warning - some problems detected "
                     "reading environment; recovered successfully\n");
 
-       crc1_ok = !read1_fail &&
-               (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc);
-       crc2_ok = !read2_fail &&
-               (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc);
-
-       if (!crc1_ok && !crc2_ok) {
+       if (read1_fail && read2_fail) {
                errmsg = "!bad CRC";
                ret = 1;
                goto fini;
-       } else if (crc1_ok && !crc2_ok) {
+       } else if (!read1_fail && read2_fail) {
                gd->env_valid = 1;
-       } else if (!crc1_ok && crc2_ok) {
+               env_import((char *)tmp_env1, 1);
+       } else if (read1_fail && !read2_fail) {
                gd->env_valid = 2;
+               env_import((char *)tmp_env2, 1);
        } else {
-               /* both ok - check serial */
-               if (tmp_env1->flags == 255 && tmp_env2->flags == 0)
-                       gd->env_valid = 2;
-               else if (tmp_env2->flags == 255 && tmp_env1->flags == 0)
-                       gd->env_valid = 1;
-               else if (tmp_env1->flags > tmp_env2->flags)
-                       gd->env_valid = 1;
-               else if (tmp_env2->flags > tmp_env1->flags)
-                       gd->env_valid = 2;
-               else /* flags are equal - almost impossible */
-                       gd->env_valid = 1;
+               env_import_redund((char *)tmp_env1, (char *)tmp_env2);
        }
 
-       free(env_ptr);
-
-       if (gd->env_valid == 1)
-               ep = tmp_env1;
-       else
-               ep = tmp_env2;
-
-       env_flags = ep->flags;
-       env_import((char *)ep, 0);
        ret = 0;
 
 fini: