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authorPeter Rosin <peda@axentia.se>2018-11-21 16:03:39 +0000
committerGuenter Roeck <linux@roeck-us.net>2018-12-16 15:13:20 -0800
commite056fe25d9f021d45c3fb6068d11e56e9579754b (patch)
treea346cda896c023c5995d1ef7c0a8f0a75acc28c1 /drivers/hwmon/ntc_thermistor.c
parente8fda2c8646e504a732fbe7507c543279323c3d9 (diff)
downloadlinux-e056fe25d9f021d45c3fb6068d11e56e9579754b.tar.bz2
hwmon: (ntc_thermistor) sort thermistor id lists alphabetically
Use an enum to index the array, so that it is possible to add sorted entries without causing churn. Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/ntc_thermistor.c')
-rw-r--r--drivers/hwmon/ntc_thermistor.c82
1 files changed, 49 insertions, 33 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index e0c6b2f244a6..7747c1ed1f02 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -45,18 +45,34 @@ struct ntc_compensation {
unsigned int ohm;
};
-/* Order matters, ntc_match references the entries by index */
+/*
+ * Used as index in a zero-terminated array, holes not allowed so
+ * that NTC_LAST is the first empty array entry.
+ */
+enum {
+ NTC_B57330V2103,
+ NTC_B57891S0103,
+ NTC_NCP03WB473,
+ NTC_NCP03WF104,
+ NTC_NCP15WB473,
+ NTC_NCP15WL333,
+ NTC_NCP15XH103,
+ NTC_NCP18WB473,
+ NTC_NCP21WB473,
+ NTC_LAST,
+};
+
static const struct platform_device_id ntc_thermistor_id[] = {
- { "ncp15wb473", TYPE_NCPXXWB473 },
- { "ncp18wb473", TYPE_NCPXXWB473 },
- { "ncp21wb473", TYPE_NCPXXWB473 },
- { "ncp03wb473", TYPE_NCPXXWB473 },
- { "ncp15wl333", TYPE_NCPXXWL333 },
- { "b57330v2103", TYPE_B57330V2103},
- { "ncp03wf104", TYPE_NCPXXWF104 },
- { "ncp15xh103", TYPE_NCPXXXH103 },
- { "b57891s0103", TYPE_B57891S0103 },
- { },
+ [NTC_B57330V2103] = { "b57330v2103", TYPE_B57330V2103 },
+ [NTC_B57891S0103] = { "b57891s0103", TYPE_B57891S0103 },
+ [NTC_NCP03WB473] = { "ncp03wb473", TYPE_NCPXXWB473 },
+ [NTC_NCP03WF104] = { "ncp03wf104", TYPE_NCPXXWF104 },
+ [NTC_NCP15WB473] = { "ncp15wb473", TYPE_NCPXXWB473 },
+ [NTC_NCP15WL333] = { "ncp15wl333", TYPE_NCPXXWL333 },
+ [NTC_NCP15XH103] = { "ncp15xh103", TYPE_NCPXXXH103 },
+ [NTC_NCP18WB473] = { "ncp18wb473", TYPE_NCPXXWB473 },
+ [NTC_NCP21WB473] = { "ncp21wb473", TYPE_NCPXXWB473 },
+ [NTC_LAST] = { },
};
/*
@@ -327,36 +343,36 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata)
}
static const struct of_device_id ntc_match[] = {
- { .compatible = "murata,ncp15wb473",
- .data = &ntc_thermistor_id[0] },
- { .compatible = "murata,ncp18wb473",
- .data = &ntc_thermistor_id[1] },
- { .compatible = "murata,ncp21wb473",
- .data = &ntc_thermistor_id[2] },
- { .compatible = "murata,ncp03wb473",
- .data = &ntc_thermistor_id[3] },
- { .compatible = "murata,ncp15wl333",
- .data = &ntc_thermistor_id[4] },
{ .compatible = "epcos,b57330v2103",
- .data = &ntc_thermistor_id[5]},
+ .data = &ntc_thermistor_id[NTC_B57330V2103]},
+ { .compatible = "epcos,b57891s0103",
+ .data = &ntc_thermistor_id[NTC_B57891S0103] },
+ { .compatible = "murata,ncp03wb473",
+ .data = &ntc_thermistor_id[NTC_NCP03WB473] },
{ .compatible = "murata,ncp03wf104",
- .data = &ntc_thermistor_id[6] },
+ .data = &ntc_thermistor_id[NTC_NCP03WF104] },
+ { .compatible = "murata,ncp15wb473",
+ .data = &ntc_thermistor_id[NTC_NCP15WB473] },
+ { .compatible = "murata,ncp15wl333",
+ .data = &ntc_thermistor_id[NTC_NCP15WL333] },
{ .compatible = "murata,ncp15xh103",
- .data = &ntc_thermistor_id[7] },
- { .compatible = "epcos,b57891s0103",
- .data = &ntc_thermistor_id[8] },
+ .data = &ntc_thermistor_id[NTC_NCP15XH103] },
+ { .compatible = "murata,ncp18wb473",
+ .data = &ntc_thermistor_id[NTC_NCP18WB473] },
+ { .compatible = "murata,ncp21wb473",
+ .data = &ntc_thermistor_id[NTC_NCP21WB473] },
/* Usage of vendor name "ntc" is deprecated */
+ { .compatible = "ntc,ncp03wb473",
+ .data = &ntc_thermistor_id[NTC_NCP03WB473] },
{ .compatible = "ntc,ncp15wb473",
- .data = &ntc_thermistor_id[0] },
+ .data = &ntc_thermistor_id[NTC_NCP15WB473] },
+ { .compatible = "ntc,ncp15wl333",
+ .data = &ntc_thermistor_id[NTC_NCP15WL333] },
{ .compatible = "ntc,ncp18wb473",
- .data = &ntc_thermistor_id[1] },
+ .data = &ntc_thermistor_id[NTC_NCP18WB473] },
{ .compatible = "ntc,ncp21wb473",
- .data = &ntc_thermistor_id[2] },
- { .compatible = "ntc,ncp03wb473",
- .data = &ntc_thermistor_id[3] },
- { .compatible = "ntc,ncp15wl333",
- .data = &ntc_thermistor_id[4] },
+ .data = &ntc_thermistor_id[NTC_NCP21WB473] },
{ },
};
MODULE_DEVICE_TABLE(of, ntc_match);