diff options
| author | Lin Fuzhen <fuzhen.lin@freescale.com> | 2012-05-16 13:11:02 +0800 |
|---|---|---|
| committer | Lin Fuzhen <fuzhen.lin@freescale.com> | 2012-05-16 13:28:34 +0800 |
| commit | 04c9b5de24afa08697789392d62b0b6ae5505273 (patch) | |
| tree | 226e531c42789669ffc69935ca0a4dc1d452c9c3 /drivers | |
| parent | 7afdff149e1471023fc38c8aecd42082c1406faf (diff) | |
ENGR00209462 Thermal: print tempreture for debug uasge
Add debugmask to control the cooling device tempreture being printed or not
To enable the thermal tempreture printing by below command
echo 0xf > /sys/module/thermal/parameters/debug_mask
Signed-off-by: Lin Fuzhen <fuzhen.lin@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mxc/thermal/thermal.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mxc/thermal/thermal.c b/drivers/mxc/thermal/thermal.c index bf207f851ab0..a66e50446173 100644 --- a/drivers/mxc/thermal/thermal.c +++ b/drivers/mxc/thermal/thermal.c @@ -3,7 +3,7 @@ * * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * Copyright (C) 2011 Freescale Semiconductor, Inc. + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify @@ -139,6 +139,13 @@ static const struct anatop_device_id thermal_device_ids[] = { {""}, }; +enum { + DEBUG_USER_STATE = 1U << 0, + DEBUG_VERBOSE = 1U << 1, +}; +static int debug_mask = DEBUG_USER_STATE; +module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); + /* functions */ static int anatop_thermal_add(struct anatop_device *device); static int anatop_thermal_remove(struct platform_device *pdev); @@ -296,7 +303,8 @@ static int anatop_thermal_get_temp(struct thermal_zone_device *thermal, tz->temperature = REG_VALUE_TO_CEL(ratio, tmp); else tz->temperature = -25; - pr_debug("Temperature is %lu C\n", tz->temperature); + if (debug_mask & DEBUG_VERBOSE) + pr_info("Cooling device Temperature is %lu C\n", tz->temperature); /* power down anatop thermal sensor */ __raw_writel(BM_ANADIG_TEMPSENSE0_POWER_DOWN, anatop_base + HW_ANADIG_TEMPSENSE0_SET); |