Version information is available on some TSENS IP. Allow reading it by
allocating memory for the regmap_field.

Signed-off-by: Amit Kucheria <[email protected]>
---
 drivers/thermal/qcom/tsens-common.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/thermal/qcom/tsens-common.c 
b/drivers/thermal/qcom/tsens-common.c
index aae3d71d7eed..8d632de2c7f8 100644
--- a/drivers/thermal/qcom/tsens-common.c
+++ b/drivers/thermal/qcom/tsens-common.c
@@ -155,6 +155,16 @@ int __init init_common(struct tsens_priv *priv)
        if (IS_ERR(priv->tm_map))
                return PTR_ERR(priv->tm_map);
 
+       /* alloc regmap_fields in srot_map */
+       if (priv->feat->ver_info) {
+               for (i = 0, j = VER_MAJOR; i < 2; i++, j++) {
+                       priv->rf[j] = devm_regmap_field_alloc(dev, 
priv->srot_map,
+                                                             priv->fields[j]);
+                       if (IS_ERR(priv->rf[j]))
+                               return PTR_ERR(priv->rf[j]);
+               }
+       }
+
        priv->rf[TSENS_EN] = devm_regmap_field_alloc(dev, priv->srot_map,
                                                     priv->fields[TSENS_EN]);
        if (IS_ERR(priv->rf[TSENS_EN]))
-- 
2.17.1

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