On Thu, Feb 21, 2019 at 08:21:09PM +0530, Vinay Simha B N wrote: > hi, > > could you please suggest, how to export_symbol the tmp102 temp1_input, max > and max_hyst values to another kernel driver? > > We can acess the values > from filp_open("/sys/class/hwmon/hwmon1/temp1_input", O_RDONLY, 0); in > kernel space, but is there better apporach to access the values in the > kernel space. > There is no in-kernel API to do that, and I do not immediately see the purpose. Either case, accessing the sysfs attribute directly is as wrong as it can get, if for nothing else since there is no guarantee that this will always be the hwmon1 device. Can you explain what you are trying to do ? Thanks, Guenter