linux-kernel - Re: [PATCH 4/4] add SPI_SIMPLEX_RX/SPI_3WIRE

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Date:   Thu, 30 Apr 2020 11:35:34 +0100
From:   Mark Brown <broonie@...nel.org>
To:     dillon.minfei@...il.com
Cc:     alexandre.torgue@...com, mcoquelin.stm32@...il.com,
        p.zabel@...gutronix.de, linux-spi@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] add SPI_SIMPLEX_RX/SPI_3WIRE_RX support for
 spi-stm32f4

On Thu, Apr 30, 2020 at 05:44:00PM +0800, dillon.minfei@...il.com wrote:
> From: dillon min <dillon.minfei@...il.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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