Re: [PATCH 14/15] ARM: pxa: change SSP devices allocation

From: Arnd Bergmann
Date: Tue Apr 03 2018 - 03:06:59 EST


On Mon, Apr 2, 2018 at 4:26 PM, Robert Jarzmik <robert.jarzmik@xxxxxxx> wrote:

>
> +static struct pxa_ssp_info pxa_ssp_infos[] = {
> + { .dma_chan_rx_name = "ssp1_rx", .dma_chan_tx_name = "ssp1_tx", },
> + { .dma_chan_rx_name = "ssp1_rx", .dma_chan_tx_name = "ssp1_tx", },
> + { .dma_chan_rx_name = "ssp2_rx", .dma_chan_tx_name = "ssp2_tx", },
> + { .dma_chan_rx_name = "ssp2_rx", .dma_chan_tx_name = "ssp2_tx", },
> + { .dma_chan_rx_name = "ssp3_rx", .dma_chan_tx_name = "ssp3_tx", },
> + { .dma_chan_rx_name = "ssp3_rx", .dma_chan_tx_name = "ssp3_tx", },
> + { .dma_chan_rx_name = "ssp4_rx", .dma_chan_tx_name = "ssp4_tx", },
> + { .dma_chan_rx_name = "ssp4_rx", .dma_chan_tx_name = "ssp4_tx", },
> +};

This part looks odd to me, you're adding an extra level of indirection to
do two stages of lookups in some form of platform data.

Why can't you just always use "rx" and "tx" as the names here?

(also, I don't see why each line is duplicated, but I'm sure there's
an easy answer for that).

Arnd