OSDN Git Service

drivers: thermal: tsens: Move get_temp_tsens_v2 to allow sharing
authorAmit Kucheria <amit.kucheria@linaro.org>
Wed, 20 Mar 2019 13:17:57 +0000 (18:47 +0530)
committerEduardo Valentin <edubezval@gmail.com>
Tue, 14 May 2019 13:59:21 +0000 (06:59 -0700)
Just rename the function and move it to allow code sharing with future
versions of TSENS IP

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
drivers/thermal/qcom/tsens-common.c
drivers/thermal/qcom/tsens-v2.c
drivers/thermal/qcom/tsens.h

index 5607c5c..5adbf1a 100644 (file)
@@ -102,6 +102,41 @@ static inline int code_to_degc(u32 adc_code, const struct tsens_sensor *s)
        return degc;
 }
 
+int get_temp_tsens_valid(struct tsens_priv *priv, int i, int *temp)
+{
+       struct tsens_sensor *s = &priv->sensor[i];
+       u32 temp_idx = LAST_TEMP_0 + s->hw_id;
+       u32 valid_idx = VALID_0 + s->hw_id;
+       u32 last_temp = 0, valid, mask;
+       int ret;
+
+       ret = regmap_field_read(priv->rf[valid_idx], &valid);
+       if (ret)
+               return ret;
+       while (!valid) {
+               /* Valid bit is 0 for 6 AHB clock cycles.
+                * At 19.2MHz, 1 AHB clock is ~60ns.
+                * We should enter this loop very, very rarely.
+                */
+               ndelay(400);
+               ret = regmap_field_read(priv->rf[valid_idx], &valid);
+               if (ret)
+                       return ret;
+       }
+
+       /* Valid bit is set, OK to read the temperature */
+       ret = regmap_field_read(priv->rf[temp_idx], &last_temp);
+       if (ret)
+               return ret;
+
+       mask = GENMASK(priv->fields[LAST_TEMP_0].msb,
+                      priv->fields[LAST_TEMP_0].lsb);
+       /* Convert temperature from deciCelsius to milliCelsius */
+       *temp = sign_extend32(last_temp, fls(mask) - 1) * 100;
+
+       return 0;
+}
+
 int get_temp_common(struct tsens_priv *priv, int i, int *temp)
 {
        struct tsens_sensor *s = &priv->sensor[i];
index 780e16b..1099069 100644 (file)
 #define TM_Sn_STATUS_OFF               0x00a0
 #define TM_TRDY_OFF                    0x00e4
 
-static int get_temp_tsens_v2(struct tsens_priv *priv, int i, int *temp)
-{
-       struct tsens_sensor *s = &priv->sensor[i];
-       u32 temp_idx = LAST_TEMP_0 + s->hw_id;
-       u32 valid_idx = VALID_0 + s->hw_id;
-       u32 last_temp = 0, valid, mask;
-       int ret;
-
-       ret = regmap_field_read(priv->rf[valid_idx], &valid);
-       if (ret)
-               return ret;
-       while (!valid) {
-               /* Valid bit is 0 for 6 AHB clock cycles.
-                * At 19.2MHz, 1 AHB clock is ~60ns.
-                * We should enter this loop very, very rarely.
-                */
-               ndelay(400);
-               ret = regmap_field_read(priv->rf[valid_idx], &valid);
-               if (ret)
-                       return ret;
-       }
-
-       /* Valid bit is set, OK to read the temperature */
-       ret = regmap_field_read(priv->rf[temp_idx], &last_temp);
-       if (ret)
-               return ret;
-
-       mask = GENMASK(priv->fields[LAST_TEMP_0].msb,
-                      priv->fields[LAST_TEMP_0].lsb);
-       /* Convert temperature from deciCelsius to milliCelsius */
-       *temp = sign_extend32(last_temp, fls(mask) - 1) * 100;
-
-       return 0;
-}
-
 /* v2.x: 8996, 8998, sdm845 */
 
 static const struct tsens_features tsens_v2_feat = {
@@ -101,7 +66,7 @@ static const struct reg_field tsens_v2_regfields[MAX_REGFIELDS] = {
 
 static const struct tsens_ops ops_generic_v2 = {
        .init           = init_common,
-       .get_temp       = get_temp_tsens_v2,
+       .get_temp       = get_temp_tsens_valid,
 };
 
 const struct tsens_plat_data data_tsens_v2 = {
index 080e15a..f14a87a 100644 (file)
@@ -308,6 +308,7 @@ struct tsens_priv {
 char *qfprom_read(struct device *dev, const char *cname);
 void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode);
 int init_common(struct tsens_priv *priv);
+int get_temp_tsens_valid(struct tsens_priv *priv, int i, int *temp);
 int get_temp_common(struct tsens_priv *priv, int i, int *temp);
 bool is_sensor_enabled(struct tsens_priv *priv, u32 hw_id);