| .. | .. |
|---|
| 2 | 2 | /* |
|---|
| 3 | 3 | * Copyright (C) 2020 Rockchip Electronics Co., Ltd. |
|---|
| 4 | 4 | */ |
|---|
| 5 | | -#include <linux/clk.h> |
|---|
| 6 | 5 | #include <linux/iopoll.h> |
|---|
| 7 | 6 | #include <linux/kernel.h> |
|---|
| 8 | 7 | #include <linux/kthread.h> |
|---|
| .. | .. |
|---|
| 28 | 27 | struct resource *res; |
|---|
| 29 | 28 | struct device_node *rds, *rdd, *dma; |
|---|
| 30 | 29 | struct device *dev = &pdev->dev; |
|---|
| 31 | | - struct clk_bulk_data *clk_bulks; |
|---|
| 32 | | - int clk_num; |
|---|
| 33 | 30 | u32 status; |
|---|
| 34 | 31 | |
|---|
| 35 | 32 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
|---|
| .. | .. |
|---|
| 42 | 39 | rds = of_parse_phandle(dev->of_node, "memory-region-src", 0); |
|---|
| 43 | 40 | rdd = of_parse_phandle(dev->of_node, "memory-region-dst", 0); |
|---|
| 44 | 41 | dma = of_parse_phandle(dev->of_node, "memory-region-idmac", 0); |
|---|
| 45 | | - |
|---|
| 46 | | - clk_num = clk_bulk_get_all(&pdev->dev, &clk_bulks); |
|---|
| 47 | | - if (clk_num >= 0) { |
|---|
| 48 | | - ret = clk_bulk_prepare_enable(clk_num, clk_bulks); |
|---|
| 49 | | - if (ret) { |
|---|
| 50 | | - dev_err(&pdev->dev, "failed to enable clocks\n"); |
|---|
| 51 | | - return ret; |
|---|
| 52 | | - } |
|---|
| 53 | | - } else { |
|---|
| 54 | | - dev_err(&pdev->dev, "failed to get clks property\\n"); |
|---|
| 55 | | - return clk_num; |
|---|
| 56 | | - } |
|---|
| 57 | 42 | |
|---|
| 58 | 43 | if (readl_poll_timeout(regs + SDMMC_STATUS, status, |
|---|
| 59 | 44 | !(status & (BIT(10) | GENMASK(7, 4))), 100, |
|---|
| .. | .. |
|---|
| 110 | 95 | } |
|---|
| 111 | 96 | |
|---|
| 112 | 97 | out: |
|---|
| 113 | | - clk_bulk_disable_unprepare(clk_num, clk_bulks); |
|---|
| 114 | | - clk_bulk_put_all(clk_num, clk_bulks); |
|---|
| 115 | 98 | of_node_put(rds); |
|---|
| 116 | 99 | of_node_put(rdd); |
|---|
| 117 | 100 | of_node_put(dma); |
|---|