Re: [PATCH 00/10] Raspberry Pi SPI speedups

[kernel@xxxxxxxxxxxxxxxx]

> On 03.08.2019, at 12:10, Lukas Wunner <lukas@xxxxxxxxx> wrote:
> 
> Lukas Wunner (10):
>  dmaengine: bcm2835: Allow reusable descriptors
>  dmaengine: bcm2835: Allow cyclic transactions without interrupt
>  spi: Guarantee cacheline alignment of driver-private data
>  spi: bcm2835: Drop dma_pending flag
>  spi: bcm2835: Work around DONE bit erratum
>  spi: bcm2835: Cache CS register value for ->prepare_message()
>  spi: bcm2835: Speed up TX-only DMA transfers by clearing RX FIFO
>  dmaengine: bcm2835: Document struct bcm2835_dmadev
>  dmaengine: bcm2835: Avoid accessing memory when copying zeroes
>  spi: bcm2835: Speed up RX-only DMA transfers by zero-filling TX FIFO
> 
Acked-by: Martin Sperl <kernel@xxxxxxxxxxxxxxxx>