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spi: tegra114: set bus number based on id

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

Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.2
Sowjanya Komatineni 2019-04-04 17:14:06 -07:00 committed by Mark Brown
parent 76457eea24
commit d9088966c8
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GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 0 deletions

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@ -1137,6 +1137,7 @@ 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) {
@ -1157,6 +1158,9 @@ 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;