spi-bcm2835: Disable forced software CS

Select software CS in bcm2708_common.dtsi, and disable the automatic conversion in the driver to allow hardware CS to be re-enabled with an overlay. See: #1547 Signed-off-by: Phil Elwell <[email protected]>
raspberrypi · Jun 19, 2019 · 22fedd5 · 22fedd5
1 parent 2eb6f8d
commit 22fedd5
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
@@ -705,6 +705,7 @@ static int bcm2835_spi_setup(struct spi_device *spi)
 		return -EINVAL;
 	}
 
+#if 0
 	/* now translate native cs to GPIO */
 	/* first look for chip select pins in the devices pin groups */
 	for (pingroup_index = 0;
@@ -754,6 +755,7 @@ static int bcm2835_spi_setup(struct spi_device *spi)
 			spi->chip_select, spi->cs_gpio, err);
 		return err;
 	}
+#endif
 
 	return 0;
 }