public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Andrew Lunn <andrew@lunn.ch>
To: Vladimir Zapolskiy <vz@mleia.com>
Cc: Cory Tusar <cory.tusar@pid1solutions.com>,
	robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	agust@denx.de, gregkh@linuxfoundation.org, jic23@kernel.org,
	broonie@kernel.org, afd@ti.com, Chris.Healy@zii.aero,
	Keith.Vennel@zii.aero, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select' line.
Date: Thu, 19 Nov 2015 15:18:10 +0100	[thread overview]
Message-ID: <20151119141810.GA30828@lunn.ch> (raw)
In-Reply-To: <564D66BF.5010601@mleia.com>

> >  #ifdef CONFIG_OF
> > +static void select_assert(void *context)
> > +{
> > +	struct eeprom_93xx46_dev *edev = context;
> > +
> > +	gpiod_set_value_cansleep(gpio_to_desc(edev->pdata->select_gpio), 1);
> 
> I would suggest to use gpio_set_value()

Could you explain why?

Maybe this gpio is on an SPI GPIO expander?


> >  static const struct of_device_id eeprom_93xx46_of_table[] = {
> >  	{ .compatible = "eeprom-93xx46", },
> >  	{ .compatible = "atmel,at93c46d", .data = &atmel_at93c46d_data, },
> > @@ -385,6 +402,15 @@ static int eeprom_93xx46_probe_dt(struct spi_device *spi)
> >  	if (of_property_read_bool(np, "read-only"))
> >  		pd->flags |= EE_READONLY;
> >  
> > +	ret = of_get_named_gpio(np, "select-gpios", 0);
> 
> gpios or gpio? I see only one requested gpio.

DT always uses the plural. Go read some bindins in Documentation/devicetree/bindings/

   Andrew

  reply	other threads:[~2015-11-19 14:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-19  3:29 [PATCH v2 0/5] Devicetree support for misc/eeprom/eeprom_93xx46 Cory Tusar
2015-11-19  3:29 ` [PATCH v2 1/5] misc: eeprom_93xx46: Fix 16-bit read and write accesses Cory Tusar
2015-11-19  3:29 ` [PATCH v2 2/5] Documentation: devicetree: Add DT bindings to eeprom_93xx46 driver Cory Tusar
2015-11-19 14:59   ` Rob Herring
2015-11-19 17:30     ` Cory Tusar
2015-11-19  3:29 ` [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT bindings Cory Tusar
2015-11-19  5:50   ` Vladimir Zapolskiy
2015-11-19 14:00     ` Andrew F. Davis
2015-11-19 16:14       ` Vladimir Zapolskiy
2015-11-21  4:53       ` Cory Tusar
2015-11-21  4:40     ` Cory Tusar
2015-11-21 18:36       ` Vladimir Zapolskiy
2015-11-23 18:24         ` Cory Tusar
2015-11-19  3:29 ` [PATCH v2 4/5] misc: eeprom_93xx46: Add quirks to support Atmel AT93C46D device Cory Tusar
2015-11-19  5:59   ` Vladimir Zapolskiy
2015-11-23 17:44     ` Cory Tusar
2015-11-19  3:29 ` [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select' line Cory Tusar
2015-11-19  6:05   ` Vladimir Zapolskiy
2015-11-19 14:18     ` Andrew Lunn [this message]
2015-11-19 16:52       ` Vladimir Zapolskiy
2015-11-19 17:15         ` Andrew Lunn
2015-11-25  4:53     ` Cory Tusar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20151119141810.GA30828@lunn.ch \
    --to=andrew@lunn.ch \
    --cc=Chris.Healy@zii.aero \
    --cc=Keith.Vennel@zii.aero \
    --cc=afd@ti.com \
    --cc=agust@denx.de \
    --cc=broonie@kernel.org \
    --cc=cory.tusar@pid1solutions.com \
    --cc=devicetree@vger.kernel.org \
    --cc=galak@codeaurora.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=ijc+devicetree@hellion.org.uk \
    --cc=jic23@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=pawel.moll@arm.com \
    --cc=robh+dt@kernel.org \
    --cc=vz@mleia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox