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-rw-r--r--drivers/spi/spi-dw-mmio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index c56de35eca98..819907e332c4 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -321,6 +321,11 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
struct dw_spi *dws;
int ret;
+ if (device_property_read_bool(&pdev->dev, "spi-slave")) {
+ dev_warn(&pdev->dev, "spi-slave is not yet supported\n");
+ return -ENODEV;
+ }
+
dwsmmio = devm_kzalloc(&pdev->dev, sizeof(struct dw_spi_mmio),
GFP_KERNEL);
if (!dwsmmio)