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Commit 65f97a56 authored by David Brownell's avatar David Brownell Committed by Linus Torvalds
Browse files

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: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8905a67c

drivers/spi/atmel_spi.c

+1 −1
Original line number Diff line number Diff line
@@ -497,7 +497,7 @@ static int atmel_spi_setup(struct spi_device *spi) 
	/* chipselect must have been muxed as GPIO (e.g. in board setup) */

	npcs_pin = (unsigned int)spi->controller_data;

	if (!spi->controller_state) {

		ret = gpio_request(npcs_pin, "spi_npcs");

		ret = gpio_request(npcs_pin, spi->dev.bus_id);

		if (ret)

			return ret;

		spi->controller_state = (void *)npcs_pin;