diff mbox series

[V2,07/20] spi: tegra114: set bus number based on id

Message ID 1554423259-26056-7-git-send-email-skomatineni@nvidia.com (mailing list archive)
State Accepted
Headers show
Series [V2,01/20] spi: tegra114: fix PIO transfer | expand

Commit Message

Sowjanya Komatineni April 5, 2019, 12:14 a.m. UTC 
This patch sets SPI device id from the device tree as the bus number.

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
---
 drivers/spi/spi-tegra114.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 191233eae149..58f5059b339f 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -1138,6 +1138,7 @@  static int tegra_spi_probe(struct platform_device *pdev)
 	struct tegra_spi_data	*tspi;
 	struct resource		*r;
 	int ret, spi_irq;
+	int bus_num;
 
 	master = spi_alloc_master(&pdev->dev, sizeof(*tspi));
 	if (!master) {
@@ -1158,6 +1159,9 @@  static int tegra_spi_probe(struct platform_device *pdev)
 	master->transfer_one_message = tegra_spi_transfer_one_message;
 	master->num_chipselect = MAX_CHIP_SELECT;
 	master->auto_runtime_pm = true;
+	bus_num = of_alias_get_id(pdev->dev.of_node, "spi");
+	if (bus_num >= 0)
+		master->bus_num = bus_num;
 
 	tspi->master = master;
 	tspi->dev = &pdev->dev;