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Date:   Mon, 29 Jun 2020 09:27:18 -0700
From:   Tony Lindgren <tony@atomide.com>
To:     Linus Walleij <linus.walleij@linaro.org>
Cc:     Mark Brown <broonie@kernel.org>, linux-spi@vger.kernel.org,
        Vignesh Raghavendra <vigneshr@ti.com>,
        David Lechner <david@lechnology.com>
Subject: Re: [PATCH] spi: omap2-mcspi: Convert to use GPIO descriptors
Message-ID: <20200629162718.GP53169@atomide.com>
References: <20200625231257.280615-1-linus.walleij@linaro.org>
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* Linus Walleij <linus.walleij@linaro.org> [200625 23:13]:
> The OMAP2 MCSPI has some kind of half-baked GPIO CS support:
> it includes code like this:
> 
>   if (gpio_is_valid(spi->cs_gpio)) {
>         ret = gpio_request(spi->cs_gpio, dev_name(&spi->dev));
> 	(...)
> 
> But it doesn't parse the "cs-gpios" attribute in the device
> tree to count the number of GPIOs or pick out the GPIO numbers
> and put these in the SPI master's .cs_gpios property.
> 
> We complete the implementation of supporting CS GPIOs
> from the device tree and switch it over to use the SPI core
> for this.

Acked-by: Tony Lindgren <tony@atomide.com>