[PATCH v3 8/9] spi: dw: Use dma_slave_caps bus width helpers

[Mark Brown]

On Mon, Aug 31, 2026 at 12:46:45PM +0100, Nuno Sá wrote:
> Store the common TX destination and RX source bus widths in a
> driver-owned DMA bus width bitmap and populate it through the
> dma_slave_caps helper.
> 
> This avoids depending on the legacy src_addr_widths and dst_addr_widths
> masks returned by dma_get_slave_caps().

Acked-by: Mark Brown <broonie at kernel.org>
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