but mms_block was in memory by default, after boot TinyCore64 lsmod shows, that mms_block already in memory and it does not give the desired result, also tried "modprobe" it and no result to
lsmod
Module Size Used by Not tainted
cpufreq_userspace 12288 0
cpufreq_powersave 12288 0
cpufreq_conservative 12288 0
squashfs 28672 9
loop 20480 18
[u]mmc_block 28672 0[/u]
battery 16384 0
fjes 24576 0
8250_dw 12288 0
ac 12288 0
intel_vbtn 12288 0
sparse_keymap 12288 1 intel_vbtn
int3406_thermal 12288 0
video 28672 1 int3406_thermal
lpc_ich 20480 0
backlight 12288 2 int3406_thermal,video
r8169 53248 0
sdhci_acpi 12288 0
sdhci 24576 1 sdhci_acpi
pcspkr 12288 0
processor_thermal_device 12288 0
intel_soc_dts_iosf 12288 1 processor_thermal_device
mii 12288 1 r8169
mmc_core 69632 3 mmc_block,sdhci_acpi,sdhci
int3403_thermal 12288 0
xhci_pci 12288 0
xhci_hcd 81920 1 xhci_pci
int3400_thermal 12288 0
acpi_thermal_rel 12288 1 int3400_thermal
iosf_mbi 12288 2 sdhci_acpi,intel_soc_dts_iosf
int340x_thermal_zone 12288 2 processor_thermal_device,int3403_thermal
mei_txe 16384 0
mei 40960 1 mei_txe
or you mean take mmc_block file from Ubuntu, then "modeprobe -r mmc_block" in TinyCore, then replace mmc_block file in TinyCore and "modeprobe mmc_block"?