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Re: [PATCH v2 2/8] hw/sd: sd: Only SDSC cards support CMD28/29/30


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v2 2/8] hw/sd: sd: Only SDSC cards support CMD28/29/30
Date: Tue, 16 Feb 2021 16:32:39 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0

On 2/16/21 4:02 PM, Bin Meng wrote:
> From: Bin Meng <bin.meng@windriver.com>
> 
> Per the "Physical Layer Specification Version 8.00", table 4-26
> (SD mode) and table 7-3 (SPI mode) command descriptions, the
> following commands:
> 
> - CMD28 (SET_WRITE_PROT)
> - CMD29 (CLR_WRITE_PROT)
> - CMD30 (SEND_WRITE_PROT)
> 
> are only supported by SDSC cards.
> 
> Signed-off-by: Bin Meng <bin.meng@windriver.com>
> 
> ---
> 
> Changes in v2:
> - new patch: sd: Only SDSC cards support CMD28/29/30
> 
>  hw/sd/sd.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>



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