From: Ranganath Krishnan Date: Fri, 23 Aug 2013 16:08:23 +0000 (-0500) Subject: thermal: ti-soc-thermal: Ensure to compute thermal trend X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=e838ff8119a2aee621d4326f5899b8f4cdae40ac;p=deliverable%2Flinux.git thermal: ti-soc-thermal: Ensure to compute thermal trend Workaround to compute thermal trend even when update interval is not set. This patch will ensure to compute the thermal trend when bandgap counter delay is not set. Signed-off-by: Ranganath Krishnan Signed-off-by: Eduardo Valentin --- diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index 9dfd47196e63..74c0e3474d6e 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -1020,9 +1020,13 @@ int ti_bandgap_get_trend(struct ti_bandgap *bgp, int id, int *trend) /* Fetch the update interval */ ret = ti_bandgap_read_update_interval(bgp, id, &interval); - if (ret || !interval) + if (ret) goto unfreeze; + /* Set the interval to 1 ms if bandgap counter delay is not set */ + if (interval == 0) + interval = 1; + *trend = (t1 - t2) / interval; dev_dbg(bgp->dev, "The temperatures are t1 = %d and t2 = %d and trend =%d\n",