diff options
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 349ebba4b199..827ff49d3d4f 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -58,6 +58,11 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a, char *buf) { const struct spi_device *spi = to_spi_device(dev); + int len; + + len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1); + if (len != -ENODEV) + return len; return sprintf(buf, "%s%s\n", SPI_MODULE_PREFIX, spi->modalias); } @@ -114,6 +119,11 @@ static int spi_match_device(struct device *dev, struct device_driver *drv) static int spi_uevent(struct device *dev, struct kobj_uevent_env *env) { const struct spi_device *spi = to_spi_device(dev); + int rc; + + rc = acpi_device_uevent_modalias(dev, env); + if (rc != -ENODEV) + return rc; add_uevent_var(env, "MODALIAS=%s%s", SPI_MODULE_PREFIX, spi->modalias); return 0; |