Re: [PATCH 6/6] mmc_spi: generate R1b response for erase and stop transmission command

On Mon, Jun 29, 2020 at 5:48 PM Pragnesh Patel pragnesh.patel@sifive.com wrote:

As per the SD physical layer specification version 7.10, erase command (CMD38) and stop transmission command (CMD12) will generate R1b response.

R1b = R1 + busy signal

A non-zero value after the R1 response indicates card is ready for next command.

Signed-off-by: Pragnesh Patel pragnesh.patel@sifive.com

drivers/mmc/mmc_spi.c | 32 ++++++++++++++++++++++++++++---- 1 file changed, 28 insertions(+), 4 deletions(-)

Reviewed-by: Bin Meng bin.meng@windriver.com Tested-by: Bin Meng bin.meng@windriver.com