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Re: [PATCH 0/7] hw/sd: Use sdbus_read_data/sdbus_write_data for multiple


From: Richard Henderson
Subject: Re: [PATCH 0/7] hw/sd: Use sdbus_read_data/sdbus_write_data for multiple bytes access
Date: Fri, 14 Aug 2020 10:05:53 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0

On 8/14/20 2:23 AM, Philippe Mathieu-Daudé wrote:
> Introduce sdbus_read_data() and sdbus_write_data() methods to
> access multiple bytes on the data line of a SD bus.
> 
> I haven't named then sdbus_access_block() because I expect a
> block to be a power of 2, while there is no such restriction
> on the SD bus (think of SPI).
> 
> We can also simplify the bcm2835_sdhost and pl181 models, but
> it is simpler to first let them use the Fifo32 API.
> 
> Based-on: <20200705204630.4133-1-f4bug@amsat.org>
> "hw/sd: convert legacy SDHCI devices to the SDBus API"
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg720136.html
> 
> Philippe Mathieu-Daudé (7):
>   hw/sd: Rename read/write_data() as read/write_byte()
>   hw/sd: Rename sdbus_write_data() as sdbus_write_byte()
>   hw/sd: Rename sdbus_read_data() as sdbus_read_byte()
>   hw/sd: Add sdbus_write_data() to write multiples bytes on the data
>     line
>   hw/sd: Use sdbus_write_data() instead of sdbus_write_byte when
>     possible
>   hw/sd: Add sdbus_read_data() to read multiples bytes on the data line
>   hw/sd: Use sdbus_read_data() instead of sdbus_read_byte() when
>     possible

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~




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