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From: Andy Shevchenko <andy@kernel.org>
To: Dipen Patel <dipenp@nvidia.com>
Cc: linus.walleij@linaro.org, brgl@bgdev.pl,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	linux-gpio@vger.kernel.org, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] gpio: tegra186: Set fwnode of the GPIO chip
Date: Tue, 10 Oct 2023 16:48:25 +0300	[thread overview]
Message-ID: <ZSVWKSVNsBqDcOFS@smile.fi.intel.com> (raw)
In-Reply-To: <ZSVN73ffDkGBzmmI@smile.fi.intel.com>

On Tue, Oct 10, 2023 at 04:13:19PM +0300, Andy Shevchenko wrote:
> On Mon, Oct 09, 2023 at 10:38:58AM -0700, Dipen Patel wrote:

...

> > +	/*
> > +	 * This is needed for driver using gpio device matching where it
> > +	 * has to use gpio_chip fwnode to match the gpio controller.
> > +	 */
> > +	gpio->gpio.fwnode = of_node_to_fwnode(pdev->dev.of_node);
> 
> of_node_to_fwnode() is specific to IRQ, in other places we use generic
> of_fwnode_handle(). That's why better just to use dev_fwnode().

On the second thought is there any parent assigned?
At least I see that in tegra186_gpio_probe(). Are you saying
it is not working? Or is it (matching) called _before_ we
add a GPIO device?

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2023-10-10 13:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-09 17:38 [PATCH 1/1] gpio: tegra186: Set fwnode of the GPIO chip Dipen Patel
2023-10-10 13:13 ` Andy Shevchenko
2023-10-10 13:48   ` Andy Shevchenko [this message]
2023-10-10 14:13     ` Andy Shevchenko
2023-10-10 14:25       ` Andy Shevchenko
2023-10-10 15:10         ` Bartosz Golaszewski
2023-10-10 15:18           ` Andy Shevchenko

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