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mmc: compile out erase and write mmc commands if write operations are not enabled

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Also remove erase_grp_size and write_bl_len from struct mmc as they are
not used anymore. On ARM, removing them saves about 100 bytes of code
space in SPL.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
This commit is contained in:
Jean-Jacques Hiblot
2018-01-04 15:23:34 +01:00
committed by Jaehoon Chung
parent 5b2e72f327
commit e6fa5a5461
3 changed files with 24 additions and 2 deletions
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8
cmd/mmc.c
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@ -45,8 +45,10 @@ static void print_mmcinfo(struct mmc *mmc)
printf("Bus Width: %d-bit%s\n", mmc->bus_width,
mmc->ddr_mode ? " DDR" : "");
#if CONFIG_IS_ENABLED(MMC_WRITE)
puts("Erase Group Size: ");
print_size(((u64)mmc->erase_grp_size) << 9, "\n");
#endif
if (!IS_SD(mmc) && mmc->version >= MMC_VERSION_4_41) {
bool has_enh = (mmc->part_support & ENHNCD_SUPPORT) != 0;
@ -302,6 +304,8 @@ static int do_mmc_read(cmd_tbl_t *cmdtp, int flag,
return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
#if CONFIG_IS_ENABLED(MMC_WRITE)
static int do_mmc_write(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
@ -360,6 +364,8 @@ static int do_mmc_erase(cmd_tbl_t *cmdtp, int flag,
return (n == cnt) ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
#endif
static int do_mmc_rescan(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
@ -792,8 +798,10 @@ static int do_mmc_bkops_enable(cmd_tbl_t *cmdtp, int flag,
static cmd_tbl_t cmd_mmc[] = {
U_BOOT_CMD_MKENT(info, 1, 0, do_mmcinfo, "", ""),
U_BOOT_CMD_MKENT(read, 4, 1, do_mmc_read, "", ""),
#if CONFIG_IS_ENABLED(MMC_WRITE)
U_BOOT_CMD_MKENT(write, 4, 0, do_mmc_write, "", ""),
U_BOOT_CMD_MKENT(erase, 3, 0, do_mmc_erase, "", ""),
#endif
U_BOOT_CMD_MKENT(rescan, 1, 1, do_mmc_rescan, "", ""),
U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),