diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 5f9aedd1f0b65e4f356c1a2a466196efd91c4a29..aaf07052fd019643f65d7c558c7c83dcc661e086 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -360,6 +360,18 @@ const struct spi_device_id *spi_get_device_id(const struct spi_device *sdev) } EXPORT_SYMBOL_GPL(spi_get_device_id); +const void *spi_get_device_match_data(const struct spi_device *sdev) +{ + const void *match; + + match = device_get_match_data(&sdev->dev); + if (match) + return match; + + return (const void *)spi_get_device_id(sdev)->driver_data; +} +EXPORT_SYMBOL_GPL(spi_get_device_match_data); + static int spi_match_device(struct device *dev, struct device_driver *drv) { const struct spi_device *spi = to_spi_device(dev); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index fbf8c0d95968e4a909e214130ba2dcc8b655ace6..8fe3d0a9d2c9e73c4f83d40bca4e95110cdbbecc 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -1514,6 +1514,9 @@ extern void spi_unregister_device(struct spi_device *spi); extern const struct spi_device_id * spi_get_device_id(const struct spi_device *sdev); +extern const void * +spi_get_device_match_data(const struct spi_device *sdev); + static inline bool spi_transfer_is_last(struct spi_controller *ctlr, struct spi_transfer *xfer) {