Re: [PATCH] spi/fsl-espi: Add missing cell-index OF property
From: York Sun <hidden>
Date: 2018-06-19 16:29:42
Joakim,=0A= =0A= I am not the maintainer for this driver. Adding Mark Brown.=0A= =0A= York=0A= =0A= On 06/19/2018 09:23 AM, Joakim Tjernlund wrote:=0A=
quoted hunk ↗ jump to hunk
espi does not look for a OF cell-index property which=0A= makes the bus numbering dynamic only. This add an=0A= optional cell-index.=0A= =0A= Signed-off-by: Joakim Tjernlund <redacted>=0A= ---=0A= drivers/spi/spi-fsl-espi.c | 8 ++++++++=0A= 1 file changed, 8 insertions(+)=0A= =0A=diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c=0A= index 1d332e23f6ed..56b71c5e2f10 100644=0A= --- a/drivers/spi/spi-fsl-espi.c=0A= +++ b/drivers/spi/spi-fsl-espi.c=0A=@@ -672,6 +672,14 @@ static int fsl_espi_probe(struct device *dev, struct=
resource *mem,=0A=
=0A=
dev_set_drvdata(dev, master);=0A=
=0A=
+ if (dev->of_node) {=0A=
+ u32 cell_index;=0A=
+=0A=
+ if (!of_property_read_u32(dev->of_node, "cell-index",=0A=
+ &cell_index))=0A=
+ master->bus_num =3D cell_index;=0A=
+ }=0A=
+=0A=
master->mode_bits =3D SPI_RX_DUAL | SPI_CPOL | SPI_CPHA | SPI_CS_HIGH |==0A=
SPI_LSB_FIRST | SPI_LOOP;=0A= master->dev.of_node =3D dev->of_node;=0A= =0A=
=0A=