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From: baruch@tkos.co.il (Baruch Siach)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] bcm2835-gpio-exp: Driver for GPIO expander via mailbox service
Date: Tue, 9 Jan 2018 15:41:35 +0200	[thread overview]
Message-ID: <20180109134135.32i6slkhmqsjnmne@tarshish> (raw)
In-Reply-To: <2013811470.181895.1514918984637@email.1und1.de>

Hi Stefan,

On Tue, Jan 02, 2018 at 07:49:44PM +0100, Stefan Wahren wrote:

[...]

> > +	ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_GET_GPIO_CONFIG,
> > +				    &get, sizeof(get));
> > +	if (ret) {
> > +		dev_err(gpio->dev,
> > +			"Failed to get GPIO %u config (%d)\n", off, ret);
> > +		return ret;
> > +	}
> 
> Shouldn't we also check the in-bound status at get.gpio?

What is the in-bound status value? May you refer me to the documentation?

> And in all the other gpio ops?

Thanks,
baruch

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
   - baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -

  reply	other threads:[~2018-01-09 13:41 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-02 13:19 [PATCH 0/4] gpio: driver for the RPi3 GPIO expander Baruch Siach
2018-01-02 13:19 ` [PATCH 1/4] ARM: bcm2835: sync firmware properties with downstream Baruch Siach
2018-01-02 13:19 ` [PATCH 2/4] dt-bindings: gpio: add raspberry pi GPIO expander binding Baruch Siach
2018-01-02 18:26   ` Stefan Wahren
2018-01-04 19:35     ` Baruch Siach
2018-01-02 13:19 ` [PATCH 3/4] bcm2835-gpio-exp: Driver for GPIO expander via mailbox service Baruch Siach
2018-01-02 18:49   ` Stefan Wahren
2018-01-09 13:41     ` Baruch Siach [this message]
2018-01-09 20:15       ` Stefan Wahren
2018-01-03 10:08   ` Linus Walleij
2018-01-10  3:45     ` Baruch Siach
2018-01-11  9:39       ` Linus Walleij
2018-01-02 13:19 ` [PATCH 4/4] ARM: dts: bcm2837-rpi-3-b: add GPIO expander Baruch Siach
2018-01-02 19:03   ` Stefan Wahren
2018-01-03 20:17     ` Stefan Wahren
2018-01-03 20:29       ` Phil Elwell
2018-01-04  3:06         ` Peter Robinson
2018-01-02 18:05 ` [PATCH 0/4] gpio: driver for the RPi3 " Stefan Wahren

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