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
next prev 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
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
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