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-rw-r--r--drivers/mtd/nand/nand_bbt.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 42b523a84fc6..7dbfce4a1a5b 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -875,7 +875,7 @@ static inline int nand_memory_bbt(struct mtd_info *mtd, struct nand_bbt_descr *b
875 */ 875 */
876static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd) 876static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd)
877{ 877{
878 int i, chips, writeops, chipsel, res; 878 int i, chips, writeops, create, chipsel, res;
879 struct nand_chip *this = mtd->priv; 879 struct nand_chip *this = mtd->priv;
880 struct nand_bbt_descr *td = this->bbt_td; 880 struct nand_bbt_descr *td = this->bbt_td;
881 struct nand_bbt_descr *md = this->bbt_md; 881 struct nand_bbt_descr *md = this->bbt_md;
@@ -889,6 +889,7 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
889 889
890 for (i = 0; i < chips; i++) { 890 for (i = 0; i < chips; i++) {
891 writeops = 0; 891 writeops = 0;
892 create = 0;
892 rd = NULL; 893 rd = NULL;
893 rd2 = NULL; 894 rd2 = NULL;
894 /* Per chip or per device? */ 895 /* Per chip or per device? */
@@ -896,8 +897,8 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
896 /* Mirrored table available? */ 897 /* Mirrored table available? */
897 if (md) { 898 if (md) {
898 if (td->pages[i] == -1 && md->pages[i] == -1) { 899 if (td->pages[i] == -1 && md->pages[i] == -1) {
900 create = 1;
899 writeops = 0x03; 901 writeops = 0x03;
900 goto create;
901 } else if (td->pages[i] == -1) { 902 } else if (td->pages[i] == -1) {
902 rd = md; 903 rd = md;
903 td->version[i] = md->version[i]; 904 td->version[i] = md->version[i];
@@ -921,25 +922,27 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
921 } 922 }
922 } else { 923 } else {
923 if (td->pages[i] == -1) { 924 if (td->pages[i] == -1) {
925 create = 1;
924 writeops = 0x01; 926 writeops = 0x01;
925 goto create; 927 } else {
928 rd = td;
926 } 929 }
927 rd = td;
928 } 930 }
929 goto writecheck;
930 create:
931 /* Create the bad block table by scanning the device? */
932 if (!(td->options & NAND_BBT_CREATE))
933 continue;
934 931
935 /* Create the table in memory by scanning the chip(s) */ 932 if (create) {
936 if (!(this->bbt_options & NAND_BBT_CREATE_EMPTY)) 933 /* Create the bad block table by scanning the device? */
937 create_bbt(mtd, buf, bd, chipsel); 934 if (!(td->options & NAND_BBT_CREATE))
935 continue;
936
937 /* Create the table in memory by scanning the chip(s) */
938 if (!(this->bbt_options & NAND_BBT_CREATE_EMPTY))
939 create_bbt(mtd, buf, bd, chipsel);
940
941 td->version[i] = 1;
942 if (md)
943 md->version[i] = 1;
944 }
938 945
939 td->version[i] = 1;
940 if (md)
941 md->version[i] = 1;
942 writecheck:
943 /* Read back first? */ 946 /* Read back first? */
944 if (rd) 947 if (rd)
945 read_abs_bbt(mtd, buf, rd, chipsel); 948 read_abs_bbt(mtd, buf, rd, chipsel);