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SubjectRe: [PATCH v2] spi: bitbang: Make setup_transfer() callback optional

On 04/14/2015 10:40 AM, Pelle Nilsson wrote:
> Some controller drivers have no need of this callback (spi-altera even
> causes a NULL pointer dereference because it doesn't register the callback,
> falsely assuming that it is already optional).
> Fixes: 30af9b558a56 ("spi/bitbang: Drop empty setup() functions")
> Signed-off-by: Pelle Nilsson <>

Reviewed-by: Ezequiel Garcia <>

Please note the merge window is open, so don't expect Mark to pick
your change soon.
Ezequiel Garcia, VanguardiaSur

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