[PATCH] spi/fsl-espi: Add missing cell-index OF property
From: Joakim Tjernlund <hidden>
Date: 2018-06-19 16:30:41
Subsystem:
spi subsystem, the rest · Maintainers:
Mark Brown, Linus Torvalds
espi does not look for a OF cell-index property which makes the bus numbering dynamic only. This add an optional cell-index. Signed-off-by: Joakim Tjernlund <redacted> --- drivers/spi/spi-fsl-espi.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index 1d332e23f6ed..56b71c5e2f10 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c@@ -672,6 +672,14 @@ static int fsl_espi_probe(struct device *dev, struct resource *mem, dev_set_drvdata(dev, master); + if (dev->of_node) { + u32 cell_index; + + if (!of_property_read_u32(dev->of_node, "cell-index", + &cell_index)) + master->bus_num = cell_index; + } + master->mode_bits = SPI_RX_DUAL | SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST | SPI_LOOP; master->dev.of_node = dev->of_node;
--
2.13.6