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authorSudeep Holla <sudeep.holla@arm.com>2015-10-28 17:17:31 (GMT)
committerGuenter Roeck <linux@roeck-us.net>2015-11-16 17:59:50 (GMT)
commitcef03d7e66bd70c4baf61dd2431cf8de250834de (patch)
treee8a2296d6f0cc62c2224dd849ccf908ef5e86848 /drivers/hwmon/vexpress.c
parentd42d5b6f729929f2bbd17d22a2b223b7138470da (diff)
downloadlinux-cef03d7e66bd70c4baf61dd2431cf8de250834de.tar.xz
hwmon: (scpi) skip unsupported sensors properly
Currently it's assumed that firmware exports only the class of sensors supported by the driver. However with newer firmware or SCPI protocol revision, support for newer classes of sensors can be present. The driver fails to probe with the following warning if an unsupported class of sensor is encountered in the firmware. sysfs: cannot create duplicate filename '/devices/platform/scpi/scpi:sensors/hwmon/hwmon0/' ------------[ cut here ]------------ WARNING: at fs/sysfs/dir.c:31 Modules linked in: CPU: 0 PID: 6 Comm: kworker/u12:0 Not tainted 4.3.0-rc7 #137 Hardware name: ARM Juno development board (r0) (DT) Workqueue: deferwq deferred_probe_work_func PC is at sysfs_warn_dup+0x54/0x78 LR is at sysfs_warn_dup+0x54/0x78 This patch fixes the above issue by skipping through the unsupported class of SCPI sensors. Fixes: 68acc77a2d51 ("hwmon: Support thermal zones registration for SCP temperature sensors") Fixes: ea98b29a05e9 ("hwmon: Support sensors exported via ARM SCP interface") Cc: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Punit Agrawal <punit.agrawal@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/vexpress.c')
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