[PATCH V1 16/26] spi: tegra114: set bus number based on id

[Sowjanya Komatineni]

This patch sets the SPI device id from the device tree as the
bus number.

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

diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 94acef0f5ea5..9b9d4b9e1f3e 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) {
@@ -1159,6 +1160,9 @@ 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;
-- 
2.7.4