diff options
Diffstat (limited to 'drivers/platform/x86/serial-multi-instantiate.c')
| -rw-r--r-- | drivers/platform/x86/serial-multi-instantiate.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c index 3be016cfe601..7c04cc9e5891 100644 --- a/drivers/platform/x86/serial-multi-instantiate.c +++ b/drivers/platform/x86/serial-multi-instantiate.c @@ -83,11 +83,15 @@ static int smi_get_irq(struct platform_device *pdev, struct acpi_device *adev, static void smi_devs_unregister(struct smi *smi) { +#if IS_REACHABLE(CONFIG_I2C) while (smi->i2c_num--) i2c_unregister_device(smi->i2c_devs[smi->i2c_num]); +#endif - while (smi->spi_num--) - spi_unregister_device(smi->spi_devs[smi->spi_num]); + if (IS_REACHABLE(CONFIG_SPI)) { + while (smi->spi_num--) + spi_unregister_device(smi->spi_devs[smi->spi_num]); + } } /** @@ -258,9 +262,15 @@ static int smi_probe(struct platform_device *pdev) switch (node->bus_type) { case SMI_I2C: - return smi_i2c_probe(pdev, smi, node->instances); + if (IS_REACHABLE(CONFIG_I2C)) + return smi_i2c_probe(pdev, smi, node->instances); + + return -ENODEV; case SMI_SPI: - return smi_spi_probe(pdev, smi, node->instances); + if (IS_REACHABLE(CONFIG_SPI)) + return smi_spi_probe(pdev, smi, node->instances); + + return -ENODEV; case SMI_AUTO_DETECT: /* * For backwards-compatibility with the existing nodes I2C @@ -270,10 +280,16 @@ static int smi_probe(struct platform_device *pdev) * SpiSerialBus nodes that were previously ignored, and this * preserves that behavior. */ - ret = smi_i2c_probe(pdev, smi, node->instances); - if (ret != -ENOENT) - return ret; - return smi_spi_probe(pdev, smi, node->instances); + if (IS_REACHABLE(CONFIG_I2C)) { + ret = smi_i2c_probe(pdev, smi, node->instances); + if (ret != -ENOENT) + return ret; + } + + if (IS_REACHABLE(CONFIG_SPI)) + return smi_spi_probe(pdev, smi, node->instances); + + return -ENODEV; default: return -EINVAL; } |