atmel_spi: label GPIOs better
Make the atmel_spi driver label GPIOs according to the device for which they're acting as a chipselect. This way the debugfs dump of gpio state is more informative. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -497,7 +497,7 @@ static int atmel_spi_setup(struct spi_device *spi)
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/* chipselect must have been muxed as GPIO (e.g. in board setup) */
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npcs_pin = (unsigned int)spi->controller_data;
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if (!spi->controller_state) {
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ret = gpio_request(npcs_pin, "spi_npcs");
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ret = gpio_request(npcs_pin, spi->dev.bus_id);
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if (ret)
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return ret;
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spi->controller_state = (void *)npcs_pin;
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