25 lines
870 B
Diff
25 lines
870 B
Diff
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diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
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index 5e4c453..028ef66 100644
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--- a/drivers/spi/spi.c
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+++ b/drivers/spi/spi.c
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@@ -3262,6 +3262,19 @@ int spi_setup(struct spi_device *spi)
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if (spi->controller->setup)
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status = spi->controller->setup(spi);
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+ if (gpio_is_valid(spi->cs_gpio)) {
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+ dev_info(&spi->dev, "spi_setup / gpio_is_valid(%d) ... doing gpio_request ...\n", spi->cs_gpio);
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+ int ret = gpio_request(spi->cs_gpio, dev_name(&spi->dev));
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+ if (ret) {
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+ dev_err(&spi->dev, "failed to request gpio\n");
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+ }
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+ else {
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+ gpio_direction_output(spi->cs_gpio,
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+ !(spi->mode & SPI_CS_HIGH));
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+ dev_info(&spi->dev, "spi_setup / gpio_direction_output(%d) done !\n", spi->cs_gpio);
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+ }
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+ }
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+
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if (spi->controller->auto_runtime_pm && spi->controller->set_cs) {
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status = pm_runtime_get_sync(spi->controller->dev.parent);
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if (status < 0) {
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