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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
Date: Mon, 29 Jun 2020 09:27:18 -0700	[thread overview]
Message-ID: <20200629162718.GP53169@atomide.com> (raw)
In-Reply-To: <20200625231257.280615-1-linus.walleij@linaro.org>

* 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>

  reply	other threads:[~2020-06-29 18:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-25 23:12 [PATCH] spi: omap2-mcspi: Convert to use GPIO descriptors Linus Walleij
2020-06-29 16:27 ` Tony Lindgren [this message]
2020-06-29 19:38 ` Mark Brown

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