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Subject[PATCH v1 13/24] drivers: thermal: tsens: Print IP version
Date
On some TSENS IP, version is stored. Print that version at init.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
---
drivers/thermal/qcom/tsens-common.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
index aae3d71d7eed..39cd5733fd44 100644
--- a/drivers/thermal/qcom/tsens-common.c
+++ b/drivers/thermal/qcom/tsens-common.c
@@ -121,7 +121,7 @@ int __init init_common(struct tsens_priv *priv)
void __iomem *tm_base, *srot_base;
struct device *dev = priv->dev;
struct resource *res;
- u32 enabled;
+ u32 enabled, maj_ver, min_ver;
int ret, i, j;
struct platform_device *op = of_find_device_by_node(priv->dev->of_node);

@@ -155,6 +155,27 @@ int __init init_common(struct tsens_priv *priv)
if (IS_ERR(priv->tm_map))
return PTR_ERR(priv->tm_map);

+ for (i = 0; i < MAX_REGFIELDS; i++) {
+ priv->rf[i] = NULL;
+ }
+
+ /* 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]);
+ }
+ ret = regmap_field_read(priv->rf[VER_MAJOR], &maj_ver);
+ if (ret)
+ return ret;
+ ret = regmap_field_read(priv->rf[VER_MINOR], &min_ver);
+ if (ret)
+ return ret;
+ dev_info(dev, "version: %d.%d\n", maj_ver, min_ver);
+ }
+
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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