From 4bcdea86f176e96d44531c1e54a1b5c92672424d Mon Sep 17 00:00:00 2001
From: Daniel Mack <zonque@gmail.com>
Date: Wed, 26 Sep 2012 13:58:19 -0700
Subject: drivers/misc/lis3lv02d/lis3lv02d_spi.c: add DT matching table
passthru code
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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>
---
drivers/misc/lis3lv02d/lis3lv02d_spi.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
(limited to 'drivers/misc/lis3lv02d')
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),
--
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