Re: [PATCH v2 1/5] spi: spi-mem: Add driver for NXP FlexSPI controller

From: Boris Brezillon
Date: Mon Sep 17 2018 - 07:37:56 EST


Hi Yogesh,

On Mon, 17 Sep 2018 15:18:26 +0530
Yogesh Gaur <yogeshnarayan.gaur@xxxxxxx> wrote:

> +
> + /*
> + * R/W functions for big- or little-endian registers:
> + * The FSPI controller's endianness is independent of
> + * the CPU core's endianness. So far, although the CPU
> + * core is little-endian the FSPI controller can use
> + * big-endian or little-endian.
> + */
> + if (of_property_read_bool(np, "big-endian")) {
> + f->write = fspi_writel_be;
> + f->read = fspi_readl_be;
> + } else {
> + f->write = fspi_writel;
> + f->read = fspi_readl;
> + }

Hm, isn't it something you can extract from the compatible string? I'd
rather not allow users to set that in their DT if it's not something
you can change.

Regards,

Boris