diff options
| author | Daniel Mack <zonque@gmail.com> | 2012-09-27 00:58:19 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-27 01:17:42 +0400 |
| commit | 4bcdea86f176e96d44531c1e54a1b5c92672424d (patch) | |
| tree | b76220793d3a66f2979e910612bcc8ab2de46452 /drivers/misc | |
| parent | cbac1a8b89452f378a17cc2c673aca0e53af684d (diff) | |
| download | linux-4bcdea86f176e96d44531c1e54a1b5c92672424d.tar.xz | |
drivers/misc/lis3lv02d/lis3lv02d_spi.c: add DT matching table passthru code
If probed from a device tree, this driver now passes the node information
to the generic part, so the runtime information can be derived.
Successfully tested on a PXA3xx board.
[akpm@linux-foundation.org: fix lis302dl_spi_dt_ids unused warning when CONFIG_OF=n]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Rob Herring <robherring2@gmail.com>
Cc: "AnilKumar, Chimata" <anilkumar@ti.com>
Reviewed-by: Éric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/lis3lv02d/lis3lv02d_spi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/misc/lis3lv02d/lis3lv02d_spi.c b/drivers/misc/lis3lv02d/lis3lv02d_spi.c index 80880e984b4f..4b8ccf200194 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d_spi.c +++ b/drivers/misc/lis3lv02d/lis3lv02d_spi.c @@ -17,6 +17,8 @@ #include <linux/workqueue.h> #include <linux/spi/spi.h> #include <linux/pm.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include "lis3lv02d.h" @@ -58,6 +60,14 @@ static int lis3_spi_init(struct lis3lv02d *lis3) static union axis_conversion lis3lv02d_axis_normal = { .as_array = { 1, 2, 3 } }; +#ifdef CONFIG_OF +static struct of_device_id lis302dl_spi_dt_ids[] = { + { .compatible = "st,lis302dl-spi" }, + {} +}; +MODULE_DEVICE_TABLE(of, lis302dl_spi_dt_ids); +#endif + static int __devinit lis302dl_spi_probe(struct spi_device *spi) { int ret; @@ -75,6 +85,12 @@ static int __devinit lis302dl_spi_probe(struct spi_device *spi) lis3_dev.irq = spi->irq; lis3_dev.ac = lis3lv02d_axis_normal; lis3_dev.pdata = spi->dev.platform_data; + +#ifdef CONFIG_OF + if (of_match_device(lis302dl_spi_dt_ids, &spi->dev)) + lis3_dev.of_node = spi->dev.of_node; +#endif + spi_set_drvdata(spi, &lis3_dev); return lis3lv02d_init_device(&lis3_dev); @@ -121,6 +137,7 @@ static struct spi_driver lis302dl_spi_driver = { .name = DRV_NAME, .owner = THIS_MODULE, .pm = &lis3lv02d_spi_pm, + .of_match_table = of_match_ptr(lis302dl_spi_dt_ids), }, .probe = lis302dl_spi_probe, .remove = __devexit_p(lis302dl_spi_remove), |