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21 lines
638 B
21 lines
638 B
From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 30 Dec 2016 14:53:45 +0100
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Subject: [PATCH] spi: use gpio_set_value_cansleep for setting chipselect GPIO
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Sleeping is safe inside spi_transfer_one_message, and some GPIO chips
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need to sleep for setting values
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/spi/spi.c
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+++ b/drivers/spi/spi.c
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@@ -674,7 +674,7 @@ static void spi_set_cs(struct spi_device
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enable = !enable;
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if (gpio_is_valid(spi->cs_gpio))
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- gpio_set_value(spi->cs_gpio, !enable);
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+ gpio_set_value_cansleep(spi->cs_gpio, !enable);
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else if (spi->master->set_cs)
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spi->master->set_cs(spi, !enable);
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}
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