[Linux-stm32] [PATCH 4/4] add SPI_SIMPLEX_RX/SPI_3WIRE_RX support for spi-stm32f4

[Mark Brown]

On Thu, Apr 30, 2020 at 05:44:00PM +0800, dillon.minfei at gmail.com wrote:
> From: dillon min <dillon.minfei at gmail.com>
> 
> add SPI_SIMPLEX_RX/SPI_3WIRE_RX in spi-stm32f4.c
> for SPI_SIMPLEX_RX , as we running kernel in sdram, so
> that the performance is not as good as internal flash,
> need add send dummy data out while in rx,
> otherwise will get many overrun errors.

I only have patch 4 here, what's going on with dependencies?
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