Re: [PATCH v3 2/3] spi: nxp-xspi: Improve AHB read performance with DMA

[Mark Brown]

On Wed, Jul 22, 2026 at 05:00:43PM -0500, han.xu@xxxxxxxxxxx wrote:

> +	timeout = wait_for_completion_timeout(&xspi->dma_rx_c, NXP_XSPI_DMA_TOUT);
> +	if (!timeout) {

I'll apply this since the issues are getting a bit theoretical but a
fixed timeout will have scaling issues - you can configure a very large
transfer on a slow bus (eg, 1M at 1MHz) and have a bad time.  I'm not
sure that would be a good idea in the first place.

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