Re: [PATCH v7 0/3] rust: spi: add SPI driver abstractions

[Mark Brown <broonie@kernel.org>]

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On Fri, Nov 13, 2026 at 10:05:28AM +0800, Shuai Liu wrote:
> Rework the device I/O to map onto the lower-level C APIs, as suggested
> by Mark Brown [1]: instead of leveraging the C convenience wrappers
> (spi_write(), spi_read() and spi_write_then_read()), all device I/O is
> now built on a single `SpiDevice::transfer()` primitive that maps onto
> spi_sync(). The convenience methods `write()`, `read()` and
> `write_then_read()` remain as thin wrappers on top of `transfer()`.

Please don't send new patches in reply to old patches or serieses, this
makes it harder for both people and tools to understand what is going
on - it can bury things in mailboxes and make it difficult to keep track
of what current patches are, both for the new patches and the old ones.

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