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spi: ath79: set number of chipselect lines

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All chipsets from AR7100 up to QCA9563 have three dedicated chipselect
lines for the integrated SPI controller. Set the number of chipselect
lines available on the controller to this value.

Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://lore.kernel.org/r/20210522074453.39299-2-mail@david-bauer.net
Signed-off-by: Mark Brown <broonie@kernel.org>
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David Bauer 2021-05-22 09:44:53 +02:00 committed by Mark Brown
parent 42a7dfa26f
commit ab053f48f9
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drivers/spi/spi-ath79.c
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@ -153,6 +153,7 @@ static int ath79_spi_probe(struct platform_device *pdev)
master->use_gpio_descriptors = true;
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
master->flags = SPI_MASTER_GPIO_SS;
master->num_chipselect = 3;
sp->bitbang.master = master;
sp->bitbang.chipselect = ath79_spi_chipselect;