307 	int ret;  in rockchip_cs_setup()  local
310 	ret = gpio_request_list_by_name(bus, "sfc-cs-gpios", sfc->cs_gpios,  in rockchip_cs_setup()
312 	if (ret < 0) {  in rockchip_cs_setup()
313 		pr_err("Can't get %s gpios! Error: %d\n", bus->name, ret);  in rockchip_cs_setup()
314 		return ret;  in rockchip_cs_setup()
321 		ret = dm_gpio_set_dir_flags(&sfc->cs_gpios[i],  in rockchip_cs_setup()
323 		if (ret) {  in rockchip_cs_setup()
324 			dev_err(bus, "Setting cs %d error, ret=%d\n", i, ret);  in rockchip_cs_setup()
325 			return ret;  in rockchip_cs_setup()
346 	int ret;  in rockchip_sfc_ofdata_to_platdata()  local
348 	ret = clk_get_by_index(bus, 0, &sfc->clk);  in rockchip_sfc_ofdata_to_platdata()
349 	if (ret < 0) {  in rockchip_sfc_ofdata_to_platdata()
350 		printf("Could not get clock for %s: %d\n", bus->name, ret);  in rockchip_sfc_ofdata_to_platdata()
351 		return ret;  in rockchip_sfc_ofdata_to_platdata()
354 	ret = clk_get_by_index(bus, 1, &sfc->hclk);  in rockchip_sfc_ofdata_to_platdata()
355 	if (ret < 0) {  in rockchip_sfc_ofdata_to_platdata()
356 		printf("Could not get ahb clock for %s: %d\n", bus->name, ret);  in rockchip_sfc_ofdata_to_platdata()
357 		return ret;  in rockchip_sfc_ofdata_to_platdata()
369 	int ret;  in rockchip_sfc_probe()  local
372 	ret = clk_enable(&sfc->hclk);  in rockchip_sfc_probe()
373 	if (ret)  in rockchip_sfc_probe()
374 		dev_dbg(sfc->dev, "sfc Enable ahb clock fail %s: %d\n", bus->name, ret);  in rockchip_sfc_probe()
376 	ret = clk_enable(&sfc->clk);  in rockchip_sfc_probe()
377 	if (ret)  in rockchip_sfc_probe()
378 		dev_dbg(sfc->dev, "sfc Enable clock fail for %s: %d\n", bus->name, ret);  in rockchip_sfc_probe()
385 	ret = rockchip_sfc_init(sfc);  in rockchip_sfc_probe()
386 	if (ret)  in rockchip_sfc_probe()
401 	return ret;  in rockchip_sfc_probe()
406 	int ret = 0;  in rockchip_sfc_wait_txfifo_ready()  local
409 	ret = readl_poll_timeout(sfc->regbase + SFC_FSR, status,  in rockchip_sfc_wait_txfifo_ready()
412 	if (ret) {  in rockchip_sfc_wait_txfifo_ready()
423 	int ret = 0;  in rockchip_sfc_wait_rxfifo_ready()  local
426 	ret = readl_poll_timeout(sfc->regbase + SFC_FSR, status,  in rockchip_sfc_wait_rxfifo_ready()
429 	if (ret) {  in rockchip_sfc_wait_rxfifo_ready()
632 	int ret;  in rockchip_sfc_xfer_data_dma()  local
644 	ret = bounce_buffer_start(&bb, dma_buf, len, bb_flags);  in rockchip_sfc_xfer_data_dma()
645 	if (ret)  in rockchip_sfc_xfer_data_dma()
646 		return ret;  in rockchip_sfc_xfer_data_dma()
648 	ret = rockchip_sfc_fifo_transfer_dma(sfc, (dma_addr_t)bb.bounce_buffer, len);  in rockchip_sfc_xfer_data_dma()
652 	return ret;  in rockchip_sfc_xfer_data_dma()
678 	int ret = 0;  in rockchip_sfc_xfer_done()  local
681 	ret = readl_poll_timeout(sfc->regbase + SFC_SR, status,  in rockchip_sfc_xfer_done()
684 	if (ret) {  in rockchip_sfc_xfer_done()
688 		ret = -EIO;  in rockchip_sfc_xfer_done()
691 	return ret;  in rockchip_sfc_xfer_done()
715 	u32 ret;  in rockchip_sfc_exec_op_bypass()  local
720 	ret = rockchip_sfc_xfer_data_poll(sfc, op, len);  in rockchip_sfc_exec_op_bypass()
721 	if (ret != len) {  in rockchip_sfc_exec_op_bypass()
722 		dev_err(sfc->dev, "xfer data failed ret %d\n", ret);  in rockchip_sfc_exec_op_bypass()
727 	ret = rockchip_sfc_xfer_done(sfc, 100000);  in rockchip_sfc_exec_op_bypass()
730 	return ret;  in rockchip_sfc_exec_op_bypass()
762 		int ret;  in rockchip_sfc_delay_lines_tuning()  local
769 		ret = memcmp(&id, &id_temp, 3);  in rockchip_sfc_delay_lines_tuning()
770 		if (dll_valid && ret) {  in rockchip_sfc_delay_lines_tuning()
775 		if (!dll_valid && !ret)  in rockchip_sfc_delay_lines_tuning()
778 		if (!ret)  in rockchip_sfc_delay_lines_tuning()
826 	int ret;  in rockchip_sfc_exec_op()  local
855 			ret = rockchip_sfc_xfer_data_dma(sfc, op, len);  in rockchip_sfc_exec_op()
857 			ret = rockchip_sfc_xfer_data_poll(sfc, op, len);  in rockchip_sfc_exec_op()
860 		if (ret != len) {  in rockchip_sfc_exec_op()
861 			dev_err(sfc->dev, "xfer data failed ret %d dir %d\n", ret, op->data.dir);  in rockchip_sfc_exec_op()
867 	ret = rockchip_sfc_xfer_done(sfc, 100000);  in rockchip_sfc_exec_op()
870 	return ret;  in rockchip_sfc_exec_op()
893 	int ret = rockchip_sfc_clk_set_rate(sfc, speed);  in rockchip_sfc_set_speed()  local
895 	if (ret < 0) {  in rockchip_sfc_set_speed()
898 		return ret;  in rockchip_sfc_set_speed()