On Thu, 10 Sep 2020 18:00:50 +0300 Vadym Kochan wrote: > +static int prestera_sdma_tx_wait(struct prestera_sdma *sdma, > + struct prestera_tx_ring *tx_ring) > +{ > + int tx_wait_num = PRESTERA_SDMA_WAIT_MUL * tx_ring->max_burst; > + bool is_ready; > + > + return read_poll_timeout_atomic(prestera_sdma_is_ready, is_ready, true, > + 1, tx_wait_num, false, sdma); > +}
This is strange and generates a warning: drivers/net/ethernet/marvell/prestera/prestera_rxtx.c: In function ‘prestera_sdma_tx_wait’: drivers/net/ethernet/marvell/prestera/prestera_rxtx.c:695:7: warning: variable ‘is_ready’ set but not used [-Wunused-but-set-variable] 695 | bool is_ready; | ^~~~~~~~