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This reverts commit a71f388045edbf6788a61f43e2cdc94b392a4ea3.
Commit a71f388045ed ("thermal/drivers/mellanox: Use generic
thermal_zone_get_trip() function") was backported as a dependency of the
fix in upstream commit 6d206b1ea9f4 ("mlxsw: core_thermal: Fix fan speed
in maximum cooling state"). However, it is dependent on changes in the
thermal core that were merged in v6.3. Without them, the mlxsw driver is
unable to register its thermal zone:
mlxsw_spectrum 0000:03:00.0: Failed to register thermal zone
mlxsw_spectrum 0000:03:00.0: cannot register bus device
mlxsw_spectrum: probe of 0000:03:00.0 failed with error -22
Fix this by reverting this commit and instead fix the small conflict
with the above mentioned fix. Tested using the test case mentioned in
the change log of the fix:
# cat /sys/class/thermal/thermal_zone2/cdev0/type
mlxsw_fan
# echo 10 > /sys/class/thermal/thermal_zone2/cdev0/cur_state
# cat /sys/class/hwmon/hwmon1/name
mlxsw
# cat /sys/class/hwmon/hwmon1/pwm1
255
After setting the fan to its maximum cooling state (10), it operates at
100% duty cycle instead of being stuck at 0 RPM.
Fixes: a71f388045ed ("thermal/drivers/mellanox: Use generic thermal_zone_get_trip() function")
Reported-by: Joe Botha <joe@atomic.ac>
Tested-by: Joe Botha <joe@atomic.ac>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5d08604754