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From: Baruch Siach <baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
To: Stefan Wahren <stefan.wahren-eS4NqCHxEME@public.gmane.org>
Cc: linux-gpio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Dave Stevenson
	<dave.stevenson-FnsA7b+Nu9XbIbC87yuRow@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Linus Walleij
	<linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Eric Anholt <eric-WhKQ6XTQaPysTnJN9+BGXg@public.gmane.org>
Subject: Re: [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: <2013811470.181895.1514918984637-7tX72C7vayboQLBSYMtkGA@public.gmane.org>

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

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  parent 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
     [not found]     ` <860502005.181510.1514917560724-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
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
     [not found]     ` <2013811470.181895.1514918984637-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
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
     [not found] ` <cover.1514898134.git.baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
2018-01-02 13:19   ` [PATCH 4/4] ARM: dts: bcm2837-rpi-3-b: add GPIO expander Baruch Siach
     [not found]     ` <a29df633ee568e150c150debde66c0783a57c70a.1514898134.git.baruch-NswTu9S1W3P6gbPvEgmw2w@public.gmane.org>
2018-01-02 19:03       ` Stefan Wahren
     [not found]         ` <1524381852.182115.1514919793281-7tX72C7vayboQLBSYMtkGA@public.gmane.org>
2018-01-03 20:17           ` Stefan Wahren
2018-01-03 20:29             ` Phil Elwell
     [not found]               ` <3993684b-5b99-6c38-6247-999f7564762b-FnsA7b+Nu9XbIbC87yuRow@public.gmane.org>
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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