On 6/27/19 12:31 PM, Jean-Jacques Hiblot wrote: > Using the DAT0 line as a rdy/busy line is an alternative to reading the > status register of the card. It especially useful in situation where the > bus is not in a good shape, like when modes are switched. > This is also how the linux driver behaves. > > Signed-off-by: Jean-Jacques Hiblot <[email protected]>
Is this documented somewhere that this is an OK thing to do ? If the bus is not in a good shape, what guarantee do we have that DAT0 (part of the bus ;-) ) would be in good shape ? -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
