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From: Lee Jones <lee.jones@linaro.org>
To: Amelie Delaunay <amelie.delaunay@st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com, kbuild-all@01.org
Subject: Re: [PATCH] pinctrl: stmfx: Fix compile issue when CONFIG_OF_GPIO is not defined
Date: Wed, 22 May 2019 06:48:33 +0100	[thread overview]
Message-ID: <20190522054833.GB4574@dell> (raw)
In-Reply-To: <1558338735-8444-1-git-send-email-amelie.delaunay@st.com>

On Mon, 20 May 2019, Amelie Delaunay wrote:

> When CONFIG_GPIO_OF is not defined, struct gpio_chip 'of_node' member does
> not exist:
> drivers/pinctrl/pinctrl-stmfx.c: In function 'stmfx_pinctrl_probe':
> drivers/pinctrl/pinctrl-stmfx.c:652:17: error: 'struct gpio_chip' has no member named 'of_node'
>      pctl->gpio_chip.of_node = np;
> 
> Fixes: 1490d9f841b1 ("pinctrl: Add STMFX GPIO expander Pinctrl/GPIO driver")
> Reported-by: kbuild test robot <lkp@intel.com>
> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
> ---
>  drivers/pinctrl/pinctrl-stmfx.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
> index eba872c..bb64aa0 100644
> --- a/drivers/pinctrl/pinctrl-stmfx.c
> +++ b/drivers/pinctrl/pinctrl-stmfx.c
> @@ -648,7 +648,9 @@ static int stmfx_pinctrl_probe(struct platform_device *pdev)
>  	pctl->gpio_chip.base = -1;
>  	pctl->gpio_chip.ngpio = pctl->pctl_desc.npins;
>  	pctl->gpio_chip.can_sleep = true;
> +#ifdef CONFIG_OF_GPIO
>  	pctl->gpio_chip.of_node = np;
> +#endif

This is pretty ugly.  Will STMFX ever be used without OF support?  If
not, it might be better to place this restriction on the driver as a
whole.

Incidentally, why is this blanked out in the structure definition?
Even 'struct device' doesn't do this.

>  	pctl->gpio_chip.need_valid_mask = true;
>  
>  	ret = devm_gpiochip_add_data(pctl->dev, &pctl->gpio_chip, pctl);

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

  parent reply	other threads:[~2019-05-22  5:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20  7:52 Amelie Delaunay
2019-05-22  0:22 ` Randy Dunlap
2019-05-22  5:48 ` Lee Jones [this message]
2019-05-22  8:08   ` Amelie DELAUNAY
2019-05-22  8:41     ` Lee Jones
2019-05-22  9:20       ` Amelie DELAUNAY
2019-05-22  9:30         ` Lee Jones
2019-05-22 21:48         ` Linus Walleij
2019-05-23 14:11           ` Amelie DELAUNAY
2019-05-23 19:18             ` Linus Walleij
2019-05-24  7:27               ` Amelie DELAUNAY

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