ACPI / spi: attach GPIO IRQ from ACPI description to SPI device

[linux-drm-fsl-dcu.git] / drivers / spi / spi.c

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index dee1cb87d24f4aaca1fd3d2e43b8101d3bf6e246..151b01c25b405cbea08f66849e722f546d407adc 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1623,6 +1623,9 @@ static acpi_status acpi_spi_add_device(acpi_handle handle, u32 level,
                return AE_OK;
        }
 
+       if (spi->irq < 0)
+               spi->irq = acpi_dev_gpio_irq_get(adev, 0);
+
        adev->power.flags.ignore_parent = true;
        strlcpy(spi->modalias, acpi_device_hid(adev), sizeof(spi->modalias));
        if (spi_add_device(spi)) {