376 	out_be32(&pw->pw_regs->pwsr, IPWSR_CLEAR);  in msg_unit_error_handler()
391 	struct fsl_rio_pw *pw = (struct fsl_rio_pw *)dev_instance;  in fsl_rio_port_write_handler()  local
398 	ipwmr = in_be32(&pw->pw_regs->pwmr);  in fsl_rio_port_write_handler()
399 	ipwsr = in_be32(&pw->pw_regs->pwsr);  in fsl_rio_port_write_handler()
420 		if (kfifo_avail(&pw->pw_fifo) >= RIO_PW_MSG_SIZE) {  in fsl_rio_port_write_handler()
421 			pw->port_write_msg.msg_count++;  in fsl_rio_port_write_handler()
422 			kfifo_in(&pw->pw_fifo, pw->port_write_msg.virt,  in fsl_rio_port_write_handler()
425 			pw->port_write_msg.discard_count++;  in fsl_rio_port_write_handler()
427 				 pw->port_write_msg.discard_count);  in fsl_rio_port_write_handler()
432 		out_be32(&pw->pw_regs->pwsr,	RIO_IPWSR_QFI);  in fsl_rio_port_write_handler()
433 		out_be32(&pw->pw_regs->pwmr, ipwmr | RIO_IPWMR_CQ);  in fsl_rio_port_write_handler()
435 		schedule_work(&pw->pw_work);  in fsl_rio_port_write_handler()
439 		pw->port_write_msg.err_count++;  in fsl_rio_port_write_handler()
441 			 pw->port_write_msg.err_count);  in fsl_rio_port_write_handler()
445 		out_be32(&pw->pw_regs->pwmr, ipwmr & ~RIO_IPWMR_PWE);  in fsl_rio_port_write_handler()
446 		out_be32(&pw->pw_regs->pwsr,	RIO_IPWSR_TE);  in fsl_rio_port_write_handler()
447 		out_be32(&pw->pw_regs->pwmr, ipwmr);  in fsl_rio_port_write_handler()
451 		pw->port_write_msg.discard_count++;  in fsl_rio_port_write_handler()
453 			 pw->port_write_msg.discard_count);  in fsl_rio_port_write_handler()
454 		out_be32(&pw->pw_regs->pwsr, RIO_IPWSR_PWD);  in fsl_rio_port_write_handler()
481 	struct fsl_rio_pw *pw = container_of(work, struct fsl_rio_pw, pw_work);  in fsl_pw_dpc()  local
488 	while (kfifo_out_spinlocked(&pw->pw_fifo, (unsigned char *)&msg_buffer,  in fsl_pw_dpc()
489 			 RIO_PW_MSG_SIZE, &pw->pw_fifo_lock)) {  in fsl_pw_dpc()
506 			if (pw->mport[i])  in fsl_pw_dpc()
507 				rio_inb_pwrite_handler(pw->mport[i],  in fsl_pw_dpc()
522 	rval = in_be32(&pw->pw_regs->pwmr);  in fsl_rio_pw_enable()
529 	out_be32(&pw->pw_regs->pwmr, rval);  in fsl_rio_pw_enable()
543 int fsl_rio_port_write_init(struct fsl_rio_pw *pw)  in fsl_rio_port_write_init()  argument
548 	out_be32(&pw->pw_regs->pwmr,  in fsl_rio_port_write_init()
549 		 in_be32(&pw->pw_regs->pwmr) & ~RIO_IPWMR_PWE);  in fsl_rio_port_write_init()
552 	pw->port_write_msg.virt = dma_alloc_coherent(pw->dev,  in fsl_rio_port_write_init()
554 					&pw->port_write_msg.phys, GFP_KERNEL);  in fsl_rio_port_write_init()
555 	if (!pw->port_write_msg.virt) {  in fsl_rio_port_write_init()
560 	pw->port_write_msg.err_count = 0;  in fsl_rio_port_write_init()
561 	pw->port_write_msg.discard_count = 0;  in fsl_rio_port_write_init()
564 	out_be32(&pw->pw_regs->epwqbar, 0);  in fsl_rio_port_write_init()
565 	out_be32(&pw->pw_regs->pwqbar, (u32) pw->port_write_msg.phys);  in fsl_rio_port_write_init()
568 		 in_be32(&pw->pw_regs->epwqbar),  in fsl_rio_port_write_init()
569 		 in_be32(&pw->pw_regs->pwqbar));  in fsl_rio_port_write_init()
572 	out_be32(&pw->pw_regs->pwsr,  in fsl_rio_port_write_init()
577 	out_be32(&pw->pw_regs->pwmr,  in fsl_rio_port_write_init()
582 	rc = request_irq(IRQ_RIO_PW(pw), fsl_rio_port_write_handler,  in fsl_rio_port_write_init()
583 			IRQF_SHARED, "port-write", (void *)pw);  in fsl_rio_port_write_init()
591 	INIT_WORK(&pw->pw_work, fsl_pw_dpc);  in fsl_rio_port_write_init()
592 	spin_lock_init(&pw->pw_fifo_lock);  in fsl_rio_port_write_init()
593 	if (kfifo_alloc(&pw->pw_fifo, RIO_PW_MSG_SIZE * 32, GFP_KERNEL)) {  in fsl_rio_port_write_init()
600 		 in_be32(&pw->pw_regs->pwmr),  in fsl_rio_port_write_init()
601 		 in_be32(&pw->pw_regs->pwsr));  in fsl_rio_port_write_init()
606 	free_irq(IRQ_RIO_PW(pw), (void *)pw);  in fsl_rio_port_write_init()
608 	dma_free_coherent(pw->dev, RIO_PW_MSG_SIZE,  in fsl_rio_port_write_init()
609 		pw->port_write_msg.virt,  in fsl_rio_port_write_init()
610 		pw->port_write_msg.phys);  in fsl_rio_port_write_init()