It adds device tree probe support for mtd_dataflash driver. Signed-off-by: Shawn Guo <shawn....@linaro.org> Cc: Grant Likely <grant.lik...@secretlab.ca> Cc: David Woodhouse <dw...@infradead.org> Cc: Artem Bityutskiy <artem.bityuts...@nokia.com> --- drivers/mtd/devices/mtd_dataflash.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c index 8f6b02c..64d7242 100644 --- a/drivers/mtd/devices/mtd_dataflash.c +++ b/drivers/mtd/devices/mtd_dataflash.c @@ -24,6 +24,8 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/of.h> +#include <linux/of_device.h> /* * DataFlash is a kind of SPI flash. Most AT45 chips have two buffers in @@ -98,6 +100,11 @@ struct dataflash { struct mtd_info mtd; }; +static const struct of_device_id dataflash_dt_ids[] = { + { .compatible = "atmel,dataflash", }, + { /* sentinel */ } +}; + /* ......................................................................... */ /* @@ -634,6 +641,7 @@ add_dataflash_otp(struct spi_device *spi, char *name, { struct dataflash *priv; struct mtd_info *device; + struct mtd_part_parser_data ppdata; struct flash_platform_data *pdata = spi->dev.platform_data; char *otp_tag = ""; int err = 0; @@ -675,7 +683,8 @@ add_dataflash_otp(struct spi_device *spi, char *name, pagesize, otp_tag); dev_set_drvdata(&spi->dev, priv); - err = mtd_device_parse_register(device, NULL, 0, + ppdata.of_node = spi->dev.of_node; + err = mtd_device_parse_register(device, NULL, &ppdata, pdata ? pdata->parts : NULL, pdata ? pdata->nr_parts : 0); @@ -926,6 +935,7 @@ static struct spi_driver dataflash_driver = { .name = "mtd_dataflash", .bus = &spi_bus_type, .owner = THIS_MODULE, + .of_match_table = dataflash_dt_ids, }, .probe = dataflash_probe, -- 1.7.4.1 _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss