I get kernel source code from git://git.freescale.com/imx/linux-2.6-imx.git kernel_imx
and i check out the source code from tag jb4.3_1.0.0-ga.
I read the source code, i found its not support eMMC HS200 tuning(but support SD UHS1),
where can i get the patch of support HS200?
with Best Regards,