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SubjectRE: [PATCH v2 2/2] mmc: block: add CMD13 polling for ioctl() cmd with R1B response

> currently there is no CMD13 polling and other code to wait card
> change to transfer state after R1B command completed. and this
> polling operation cannot do in user space, because other request
> may coming before the CMD13 from user space.
> Signed-off-by: Chaotian Jing <>
Reviewed-by: Avri Altman <>

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