725 	u32 idx, obj, pkts = 0, bytes = 0, pend;  in c_can_do_tx()  local
729 		pend = priv->read_reg32(priv, C_CAN_INTPND3_REG);  in c_can_do_tx()
731 		pend = priv->read_reg(priv, C_CAN_INTPND2_REG);  in c_can_do_tx()
733 	while ((idx = ffs(pend))) {  in c_can_do_tx()
735 		pend &= ~BIT(idx);  in c_can_do_tx()
778 static u32 c_can_adjust_pending(u32 pend, u32 rx_mask)  in c_can_adjust_pending()  argument
782 	if (pend == rx_mask)  in c_can_adjust_pending()
783 		return pend;  in c_can_adjust_pending()
788 	weight = hweight32(pend);  in c_can_adjust_pending()
789 	lasts = fls(pend);  in c_can_adjust_pending()
793 		return pend;  in c_can_adjust_pending()
798 	for (lasts--; pend & BIT(lasts - 1); lasts--)  in c_can_adjust_pending()
801 	return pend & ~GENMASK(lasts - 1, 0);  in c_can_adjust_pending()
818 			      u32 pend, int quota)  in c_can_read_objects()  argument
822 	while ((obj = ffs(pend)) && quota > 0) {  in c_can_read_objects()
823 		pend &= ~BIT(obj - 1);  in c_can_read_objects()
859 	u32 pend;  in c_can_get_pending()  local
862 		pend = priv->read_reg32(priv, C_CAN_NEWDAT1_REG);  in c_can_get_pending()
864 		pend = priv->read_reg(priv, C_CAN_NEWDAT1_REG);  in c_can_get_pending()
866 	return pend;  in c_can_get_pending()
883 	u32 pkts = 0, pend = 0, toread, n;  in c_can_do_rx_poll()  local
886 		if (!pend) {  in c_can_do_rx_poll()
887 			pend = c_can_get_pending(priv);  in c_can_do_rx_poll()
888 			if (!pend)  in c_can_do_rx_poll()
893 			toread = c_can_adjust_pending(pend,  in c_can_do_rx_poll()
896 			toread = pend;  in c_can_do_rx_poll()
899 		pend &= ~toread;  in c_can_do_rx_poll()