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From: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>
To: Vladimir Zapolskiy <vz-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>
Cc: Cory Tusar
	<cory.tusar-J6Z/VSE8EyIAspv4Qr0y0gC/G2K4zDHf@public.gmane.org>,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	pawel.moll-5wv7dgnIgG8@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
	galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	agust-ynQEQJNshbs@public.gmane.org,
	gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
	jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	afd-l0cyMroinI0@public.gmane.org,
	Chris.Healy-c8ZVq/bFV1I@public.gmane.org,
	Keith.Vennel-c8ZVq/bFV1I@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.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-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>

> >  #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
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  parent 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
     [not found] ` <1447903781-3910-1-git-send-email-cory.tusar-J6Z/VSE8EyIAspv4Qr0y0gC/G2K4zDHf@public.gmane.org>
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
     [not found]     ` <564D632D.8020107-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>
2015-11-19 14:00       ` Andrew F. Davis
     [not found]         ` <564DD5E7.6080700-l0cyMroinI0@public.gmane.org>
2015-11-19 16:14           ` Vladimir Zapolskiy
2015-11-21  4:53         ` Cory Tusar
2015-11-21  4:40     ` Cory Tusar
     [not found]       ` <564FF5C5.2070107-J6Z/VSE8EyIAspv4Qr0y0gC/G2K4zDHf@public.gmane.org>
2015-11-21 18:36         ` Vladimir Zapolskiy
     [not found]           ` <5650B999.8010905-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>
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
     [not found]   ` <1447903781-3910-5-git-send-email-cory.tusar-J6Z/VSE8EyIAspv4Qr0y0gC/G2K4zDHf@public.gmane.org>
2015-11-19  5:59     ` Vladimir Zapolskiy
     [not found]       ` <564D654C.1080803-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>
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
     [not found]     ` <564D66BF.5010601-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>
2015-11-19 14:18       ` Andrew Lunn [this message]
     [not found]         ` <20151119141810.GA30828-g2DYL2Zd6BY@public.gmane.org>
2015-11-19 16:52           ` Vladimir Zapolskiy
     [not found]             ` <564DFE69.6000203-ChpfBGZJDbMAvxtiuMwx3w@public.gmane.org>
2015-11-19 17:15               ` Andrew Lunn
2015-11-25  4:53     ` Cory Tusar

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