mmc: remove hc_wp_grp_size from struct mmc if not needed

hc_wp_grp_size is needed only if hardware partitionning is used.
On ARM removing it saves about 30 bytes of code space.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

cmd/mmc.c

@@ -54,8 +54,10 @@ static void print_mmcinfo(struct mmc *mmc)
 		bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
 		bool usr_enh = has_enh && (mmc->part_attr & EXT_CSD_ENH_USR);
 
+#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 		puts("HC WP Group Size: ");
 		print_size(((u64)mmc->hc_wp_grp_size) << 9, "\n");
+#endif
 
 		puts("User Capacity: ");
 		print_size(mmc->capacity_user, usr_enh ? " ENH" : "");

drivers/mmc/mmc.c

@@ -2098,9 +2098,11 @@ static int mmc_startup_v4(struct mmc *mmc)
 			* (erase_gmul + 1);
 	}
 #endif
+#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 	mmc->hc_wp_grp_size = 1024
 		* ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]
 		* ext_csd[EXT_CSD_HC_WP_GRP_SIZE];
+#endif
 
 	mmc->wr_rel_set = ext_csd[EXT_CSD_WR_REL_SET];
 

include/mmc.h

@@ -589,7 +589,9 @@ struct mmc {
 	uint write_bl_len;
 	uint erase_grp_size;	/* in 512-byte sectors */
 #endif
+#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
 	uint hc_wp_grp_size;	/* in 512-byte sectors */
+#endif
 #if CONFIG_IS_ENABLED(MMC_WRITE)
 	struct sd_ssr	ssr;	/* SD status register */
 #endif