[PATCH 3/6] Revert "spi: stm32: properly handle 0 byte transfer"

[Mark Brown]

On Wed, Jun 30, 2021 at 10:45:20AM +0200, Alain Volmat wrote:
> This reverts commit 2269f5a8b1a7b38651d62676b98182828f29d11a.
> 0 byte transfer handling is now done within the core in code added
> by commit b306320322c9 ("spi: Skip zero-length transfers in spi_transfer_one_message()")

Please submit patches using subject lines reflecting the style for the
subsystem, this makes it easier for people to identify relevant patches.
Look at what existing commits in the area you're changing are doing and
make sure your subject lines visually resemble what they're doing.
There's no need to resubmit to fix this alone.
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