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Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select' line.

From Andrew Lunn <andrew@lunn.ch>
Newsgroups linux.kernel
Subject Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select' line.
Date 2015-11-19 18:20 +0100
Message-ID <qwB2h-3PG-1@gated-at.bofh.it> (permalink)
References <qwoeK-3V4-3@gated-at.bofh.it> <qwoeL-3V4-37@gated-at.bofh.it> <qwqzV-5xV-11@gated-at.bofh.it> <qwye8-1Zi-41@gated-at.bofh.it> <qwAIX-3r7-25@gated-at.bofh.it>
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On Thu, Nov 19, 2015 at 06:52:57PM +0200, Vladimir Zapolskiy wrote:
> On 19.11.2015 16:18, Andrew Lunn wrote:
> >>>  #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?
> 
> My point is that gpio_*() interface, gpio_set_value() or
> gpio_set_value_cansleep(), might be preferred is this particular case.

Ah, O.K, yes, avoid the gpio_to_desc() call.

Agreed.

	Andrew
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Thread

[PATCH v2 0/5] Devicetree support for misc/eeprom/eeprom_93xx46. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 04:40 +0100
  [PATCH v2 1/5] misc: eeprom_93xx46: Fix 16-bit read and write accesses. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 04:40 +0100
  [PATCH v2 2/5] Documentation: devicetree: Add DT bindings to eeprom_93xx46 driver. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 04:40 +0100
    Re: [PATCH v2 2/5] Documentation: devicetree: Add DT bindings to  eeprom_93xx46 driver. Rob Herring <robh@kernel.org> - 2015-11-19 16:00 +0100
      Re: [PATCH v2 2/5] Documentation: devicetree: Add DT bindings to  eeprom_93xx46 driver. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 18:40 +0100
  [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT bindings. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 04:40 +0100
    Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. Vladimir Zapolskiy <vz@mleia.com> - 2015-11-19 07:00 +0100
      Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. "Andrew F. Davis" <afd@ti.com> - 2015-11-19 15:10 +0100
        Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. Vladimir Zapolskiy <vz@mleia.com> - 2015-11-19 17:20 +0100
        Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-21 06:00 +0100
      Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-21 05:50 +0100
        Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. Vladimir Zapolskiy <vz@mleia.com> - 2015-11-21 19:40 +0100
          Re: [PATCH v2 3/5] misc: eeprom_93xx46: Implement eeprom_93xx46 DT  bindings. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-23 19:30 +0100
  [PATCH v2 4/5] misc: eeprom_93xx46: Add quirks to support Atmel AT93C46D device. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 04:40 +0100
    Re: [PATCH v2 4/5] misc: eeprom_93xx46: Add quirks to support Atmel  AT93C46D device. Vladimir Zapolskiy <vz@mleia.com> - 2015-11-19 07:00 +0100
      Re: [PATCH v2 4/5] misc: eeprom_93xx46: Add quirks to support Atmel  AT93C46D device. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-23 18:50 +0100
  [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select' line. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-19 04:40 +0100
    Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select'  line. Vladimir Zapolskiy <vz@mleia.com> - 2015-11-19 07:10 +0100
      Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO  'select' line. Andrew Lunn <andrew@lunn.ch> - 2015-11-19 15:20 +0100
        Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO 'select'  line. Vladimir Zapolskiy <vz@mleia.com> - 2015-11-19 18:00 +0100
          Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO  'select' line. Andrew Lunn <andrew@lunn.ch> - 2015-11-19 18:20 +0100
      Re: [PATCH v2 5/5] misc: eeprom_93xx46: Add support for a GPIO  'select' line. Cory Tusar <cory.tusar@pid1solutions.com> - 2015-11-25 06:00 +0100

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