On Thursday, November 17, 2016 11:50:50 AM CET Sudeep Holla wrote: > Currently platforms/drivers needing to get the machine model name are > replicating the same snippet of code. In some case, the OF reference > counting is either missing or incorrect. > > This patch adds support to read the machine model name either using > the "model" or the "compatible" property in the device tree root node. > > Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx> I like the idea. One small comment: > +int of_machine_get_model_name(const char **model) > +{ > + int error; > + struct device_node *root; > + > + root = of_find_node_by_path("/"); > + if (!root) > + return -EINVAL; The global of_root variable points ot this already, and is defined in the same file, so I think we can just skip the lookup. Arnd