Re: [PATCH 2/5] spi: spi-gpio: Rewrite to use GPIO descriptors

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On Mon, Jan 01, 2018 at 02:37:46PM +0100, Linus Walleij wrote:

> mach-s3c64xx/mach-smartq.c has the same problem and additionally
> defines the *same* GPIO line for MOSI and MISO which is not going
> to be accepted by gpiolib. As the lines were number 1,2,2 I assumed

You do get three wire SPI buses where one data line is used for both
MOSI and MISO so that might be intentional - IIRC it used to work fine
with a lot of SPI chips.

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