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authorIngo Molnar <mingo@kernel.org>2015-06-02 08:05:42 +0200
committerIngo Molnar <mingo@kernel.org>2015-06-02 08:05:42 +0200
commitf407a8258610169cd8e975dba7f0b2824562014c (patch)
tree6c87b2d168a4665411a9e16b9f481599f2db25bc /drivers/hwmon/ntc_thermistor.c
parent960d447b94b22ceba286917056871d1dac8da697 (diff)
parentc46a024ea5eb0165114dbbc8c82c29b7bcf66e71 (diff)
Merge branch 'linus' into sched/core, to resolve conflict
Conflicts: arch/sparc/include/asm/topology_64.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/hwmon/ntc_thermistor.c')
-rw-r--r--drivers/hwmon/ntc_thermistor.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 112e4d45e4a0..68800115876b 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -239,8 +239,10 @@ static struct ntc_thermistor_platform_data *
ntc_thermistor_parse_dt(struct platform_device *pdev)
{
struct iio_channel *chan;
+ enum iio_chan_type type;
struct device_node *np = pdev->dev.of_node;
struct ntc_thermistor_platform_data *pdata;
+ int ret;
if (!np)
return NULL;
@@ -253,6 +255,13 @@ ntc_thermistor_parse_dt(struct platform_device *pdev)
if (IS_ERR(chan))
return ERR_CAST(chan);
+ ret = iio_get_channel_type(chan, &type);
+ if (ret < 0)
+ return ERR_PTR(ret);
+
+ if (type != IIO_VOLTAGE)
+ return ERR_PTR(-EINVAL);
+
if (of_property_read_u32(np, "pullup-uv", &pdata->pullup_uv))
return ERR_PTR(-ENODEV);
if (of_property_read_u32(np, "pullup-ohm", &pdata->pullup_ohm))