Hello! On 7/30/20 1:01 PM, Yuusuke Ashizuka wrote: > ravb is a module driver, but I cannot rmmod it after insmod it. Modular. And "insmod'ing it". > ravb does mdio_init() at the time of probe, and module->refcnt is incremented > by alloc_mdio_bitbang() called after that. That seems a common pattern, inlluding the Renesas sh_eth driver... > Therefore, even if ifup is not performed, the driver is in use and rmmod cannot > be performed. No, the driver's remove() method calls ravb_mdio_release() and that one calls free_mdio_bitbang() that calls module_put(); the actual reason lies somewehre deeper than this... Unfortunately I don't have the affected hardware anymore... :-( [...] MBR, Sergei
