mmc: fix the build error when MMC_WRITE is disabled

erase_grp_size is used, when MMC_WRITE is enabled.
- error: ‘struct mmc’ has no member named ‘erase_grp_size’

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index d43983d..6a2b855 100644 (file)
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1126,9 +1126,11 @@ int mmc_hwpart_config(struct mmc *mmc,
 
                ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1;
 
+#if CONFIG_IS_ENABLED(MMC_WRITE)
                /* update erase group size to be high-capacity */
                mmc->erase_grp_size =
                        ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 1024;
+#endif
 
        }