linux-kernel - Re: [PATCH v3 4/8] mux: sparx5: Add Sparx5 SPI mux driver

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Date:   Thu, 2 Jul 2020 13:33:29 +0200
From:   Lars Povlsen <lars.povlsen@...rochip.com>
To:     Lars Povlsen <lars.povlsen@...rochip.com>
CC:     Mark Brown <broonie@...nel.org>, Peter Rosin <peda@...ntia.se>,
        "Microchip Linux Driver Support" <UNGLinuxDriver@...rochip.com>,
        <linux-spi@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        "Serge Semin" <fancer.lancer@...il.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>
Subject: Re: [PATCH v3 4/8] mux: sparx5: Add Sparx5 SPI mux driver


Lars Povlsen writes:

> The Sparx5 mux driver may be used to control selecting between two
> alternate SPI bus segments connected to the SPI controller
> (spi-dw-mmio).
>
> Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
> ---
>  drivers/mux/Makefile     |   2 +
>  drivers/mux/sparx5-spi.c | 138 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 140 insertions(+)
>  create mode 100644 drivers/mux/sparx5-spi.c
>
...
> +
> +#define SPARX5_MAX_CS	16
> +
> +struct mux_sparx5 {
> +	struct regmap *syscon;
> +	u8 bus[SPARX5_MAX_CS];
> +	int cur_bus;
> +};

Yeah, "cur_bus" is a leftover. I'll remove it.

-- 
Lars Povlsen,
Microchip