c16517d26d
No changes were done to the patches while coping them. Currently they do not apply on top of kernel 5.4. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
21 lines
668 B
Diff
21 lines
668 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Subject: 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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@@ -733,7 +733,7 @@ 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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/* Some SPI masters need both GPIO CS & slave_select */
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if ((spi->controller->flags & SPI_MASTER_GPIO_SS) &&
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spi->controller->set_cs)
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