255 	int rc;  in bcm_kona_send_i2c_cmd()  local
259 	rc = bcm_kona_i2c_wait_if_busy(dev);  in bcm_kona_send_i2c_cmd()
260 	if (rc < 0)  in bcm_kona_send_i2c_cmd()
261 		return rc;  in bcm_kona_send_i2c_cmd()
280 		rc = -ETIMEDOUT;  in bcm_kona_send_i2c_cmd()
286 	return rc;  in bcm_kona_send_i2c_cmd()
332 	int rc;  in bcm_kona_i2c_read_fifo()  local
342 		rc = bcm_kona_i2c_read_fifo_single(dev, tmp_buf, bytes_to_read,  in bcm_kona_i2c_read_fifo()
344 		if (rc < 0)  in bcm_kona_i2c_read_fifo()
358 	int rc;  in bcm_kona_i2c_write_byte()  local
363 	rc = bcm_kona_i2c_wait_if_busy(dev);  in bcm_kona_i2c_write_byte()
364 	if (rc < 0)  in bcm_kona_i2c_write_byte()
365 		return rc;  in bcm_kona_i2c_write_byte()
456 	int rc;  in bcm_kona_i2c_write_fifo()  local
464 		rc = bcm_kona_i2c_write_fifo_single(dev, tmp_buf,  in bcm_kona_i2c_write_fifo()
466 		if (rc < 0)  in bcm_kona_i2c_write_fifo()
558 	int rc;  in bcm_kona_i2c_switch_to_hs()  local
561 	rc = bcm_kona_i2c_write_byte(dev, MASTERCODE, 1);  in bcm_kona_i2c_switch_to_hs()
562 	if (rc < 0) {  in bcm_kona_i2c_switch_to_hs()
564 		return rc;  in bcm_kona_i2c_switch_to_hs()
568 	rc = clk_set_rate(dev->external_clk, HS_EXT_CLK_FREQ);  in bcm_kona_i2c_switch_to_hs()
569 	if (rc) {  in bcm_kona_i2c_switch_to_hs()
571 			__func__, rc);  in bcm_kona_i2c_switch_to_hs()
572 		return rc;  in bcm_kona_i2c_switch_to_hs()
579 	rc = bcm_kona_send_i2c_cmd(dev, BCM_CMD_RESTART);  in bcm_kona_i2c_switch_to_hs()
580 	if (rc < 0)  in bcm_kona_i2c_switch_to_hs()
583 	return rc;  in bcm_kona_i2c_switch_to_hs()
588 	int rc;  in bcm_kona_i2c_switch_to_std()  local
594 	rc = clk_set_rate(dev->external_clk, STD_EXT_CLK_FREQ);  in bcm_kona_i2c_switch_to_std()
595 	if (rc) {  in bcm_kona_i2c_switch_to_std()
597 			__func__, rc);  in bcm_kona_i2c_switch_to_std()
600 	return rc;  in bcm_kona_i2c_switch_to_std()
609 	int rc = 0;  in bcm_kona_i2c_xfer()  local
612 	rc = clk_prepare_enable(dev->external_clk);  in bcm_kona_i2c_xfer()
613 	if (rc) {  in bcm_kona_i2c_xfer()
615 			__func__, rc);  in bcm_kona_i2c_xfer()
616 		return rc;  in bcm_kona_i2c_xfer()
626 	rc = bcm_kona_send_i2c_cmd(dev, BCM_CMD_START);  in bcm_kona_i2c_xfer()
627 	if (rc < 0) {  in bcm_kona_i2c_xfer()
628 		dev_err(dev->device, "Start command failed rc = %d\n", rc);  in bcm_kona_i2c_xfer()
634 		rc = bcm_kona_i2c_switch_to_hs(dev);  in bcm_kona_i2c_xfer()
635 		if (rc < 0)  in bcm_kona_i2c_xfer()
645 			rc = bcm_kona_send_i2c_cmd(dev, BCM_CMD_RESTART);  in bcm_kona_i2c_xfer()
646 			if (rc < 0) {  in bcm_kona_i2c_xfer()
648 					"restart cmd failed rc = %d\n", rc);  in bcm_kona_i2c_xfer()
655 			rc = bcm_kona_i2c_do_addr(dev, pmsg);  in bcm_kona_i2c_xfer()
656 			if (rc < 0) {  in bcm_kona_i2c_xfer()
659 					pmsg->addr, i, rc);  in bcm_kona_i2c_xfer()
666 			rc = bcm_kona_i2c_read_fifo(dev, pmsg);  in bcm_kona_i2c_xfer()
667 			if (rc < 0) {  in bcm_kona_i2c_xfer()
672 			rc = bcm_kona_i2c_write_fifo(dev, pmsg);  in bcm_kona_i2c_xfer()
673 			if (rc < 0) {  in bcm_kona_i2c_xfer()
680 	rc = num;  in bcm_kona_i2c_xfer()
691 			rc = hs_rc;  in bcm_kona_i2c_xfer()
703 	return rc;  in bcm_kona_i2c_xfer()
753 	int rc = 0;  in bcm_kona_i2c_probe()  local
780 	rc = clk_set_rate(dev->external_clk, STD_EXT_CLK_FREQ);  in bcm_kona_i2c_probe()
781 	if (rc) {  in bcm_kona_i2c_probe()
783 			__func__, rc);  in bcm_kona_i2c_probe()
784 		return rc;  in bcm_kona_i2c_probe()
787 	rc = clk_prepare_enable(dev->external_clk);  in bcm_kona_i2c_probe()
788 	if (rc) {  in bcm_kona_i2c_probe()
790 		return rc;  in bcm_kona_i2c_probe()
794 	rc = bcm_kona_i2c_assign_bus_speed(dev);  in bcm_kona_i2c_probe()
795 	if (rc)  in bcm_kona_i2c_probe()
830 		rc = -ENODEV;  in bcm_kona_i2c_probe()
835 	rc = devm_request_irq(&pdev->dev, dev->irq, bcm_kona_i2c_isr,  in bcm_kona_i2c_probe()
837 	if (rc) {  in bcm_kona_i2c_probe()
863 	rc = i2c_add_adapter(adap);  in bcm_kona_i2c_probe()
864 	if (rc) {  in bcm_kona_i2c_probe()
866 		return rc;  in bcm_kona_i2c_probe()
877 	return rc;  in bcm_kona_i2c_probe()