openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Two fixes headed for stable: 

Remove an un-necessary speed_index lookup for thermal hook in the gpio-fan
 driver. The unnecessary speed lookup can hog the system.
 
 Handle negative conversion values correctly in the ads1015 driver.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iQIcBAABAgAGBQJWydseAAoJEMsfJm/On5mBhxgP/iVNIDIusNLBHD7VG2vtpWim
 +nAmcdllLdtuT459zGX5z5HE3b7oj8v5JYW9TUH0x+N4WhvFZ9TWgH8OXt2cuUZ3
 vgbgt9QJLTzP6PHFdhhF2rLrL1Ur5eyeV0fIlRVHj2KqZixILcutLn3+TDKE1Buc
 o2Y5+CXI/XJZ2y5U8SOK5xYC1EmYkijc5rTmDdF1/5DhNzupO4S6bW/MdY9Qo5X6
 0qkyLQ01eH1GqnvUA9VNhDjlU7NZWVFpd/StL8IQk313E+79m3vwAlSNK6a33eC2
 w4nuFLA4zPfJwRYI7dN8jePCs+Y10ucfmX+EKFU7JzC4WTvyv1P76Ilrd6/ZuDJx
 YQ8ClT9ZscT9xqr+0MnhkBeE1Mu6YZoDLVaSCymcIp1E7mTAMY8yMBknFcWEZIX7
 cJuqMskvBHn7o1WCzzYOqFgOv4csm3fcazeEzp+R25Ds4NE715ClUfFZI6gLc9lg
 vYlLtU2mQGI3IsdD/a1/WOefOPGsFrGwVIAcgsi5zlCYFY/BSa9PLu/dWoLtomnP
 GEUUDIEyKsZ7om9B4B9229izL9jRT5MsYbh7vJb/1XULpXMBg1ESqhamxmtxV+oU
 J5fIlpw0g1/83mul8rq9FIeAxTcgAXsrGtJUWpatd/rHrQOgP/w5w9N3MkX7LDLE
 ccP+uEEP2z/i+PgOmr0L
 =luAI
 -----END PGP SIGNATURE-----

Merge tag 'hwmon-for-linus-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Two fixes headed for stable:

   - Remove an unnecessary speed_index lookup for thermal hook in the
     gpio-fan driver.  The unnecessary speed lookup can hog the system.

   - Handle negative conversion values correctly in the ads1015 driver"

* tag 'hwmon-for-linus-v4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (gpio-fan) Remove un-necessary speed_index lookup for thermal hook
  hwmon: (ads1015) Handle negative conversion values correctly
This commit is contained in:
Linus Torvalds 2016-02-22 12:12:46 -08:00
parent a16152c897 000e094914
commit 5c102d0eca
2 changed files with 2 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/hwmon/ads1015.c
View File

@ -126,7 +126,7 @@ static int ads1015_reg_to_mv(struct i2c_client *client, unsigned int channel,
struct ads1015_data *data = i2c_get_clientdata(client);
unsigned int pga = data->channel_data[channel].pga;
int fullscale = fullscale_table[pga];
const unsigned mask = data->id == ads1115 ? 0x7fff : 0x7ff0;
const int mask = data->id == ads1115 ? 0x7fff : 0x7ff0;
return DIV_ROUND_CLOSEST(reg * fullscale, mask);
}

7
drivers/hwmon/gpio-fan.c
View File

@ -406,16 +406,11 @@ static int gpio_fan_get_cur_state(struct thermal_cooling_device *cdev,
unsigned long *state)
{
struct gpio_fan_data *fan_data = cdev->devdata;
int r;
if (!fan_data)
return -EINVAL;
r = get_fan_speed_index(fan_data);
if (r < 0)
return r;
*state = r;
*state = fan_data->speed_index;
return 0;
}