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path: root/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
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Diffstat (limited to 'drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c')
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c48
1 files changed, 18 insertions, 30 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
index 6d116581c86d..91e5dc448bc0 100644
--- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
+++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c
@@ -1,19 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2016 Chen-Yu Tsai. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/clk.h>
#include <linux/clk-provider.h>
-#include <linux/of_address.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
@@ -185,7 +177,7 @@ static struct clk_hw_onecell_data sun9i_a80_de_hw_clks = {
.num = CLK_NUMBER,
};
-static struct ccu_reset_map sun9i_a80_de_resets[] = {
+static const struct ccu_reset_map sun9i_a80_de_resets[] = {
[RST_FE0] = { 0x0c, BIT(0) },
[RST_FE1] = { 0x0c, BIT(1) },
[RST_FE2] = { 0x0c, BIT(2) },
@@ -211,33 +203,24 @@ static const struct sunxi_ccu_desc sun9i_a80_de_clk_desc = {
static int sun9i_a80_de_clk_probe(struct platform_device *pdev)
{
- struct resource *res;
struct clk *bus_clk;
struct reset_control *rstc;
void __iomem *reg;
int ret;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- reg = devm_ioremap_resource(&pdev->dev, res);
+ reg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(reg))
return PTR_ERR(reg);
bus_clk = devm_clk_get(&pdev->dev, "bus");
- if (IS_ERR(bus_clk)) {
- ret = PTR_ERR(bus_clk);
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Couldn't get bus clk: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(bus_clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(bus_clk),
+ "Couldn't get bus clk\n");
rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
- if (IS_ERR(rstc)) {
- ret = PTR_ERR(rstc);
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "Couldn't get reset control: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(rstc))
+ return dev_err_probe(&pdev->dev, PTR_ERR(rstc),
+ "Couldn't get reset control\n");
/* The bus clock needs to be enabled for us to access the registers */
ret = clk_prepare_enable(bus_clk);
@@ -254,8 +237,7 @@ static int sun9i_a80_de_clk_probe(struct platform_device *pdev)
goto err_disable_clk;
}
- ret = sunxi_ccu_probe(pdev->dev.of_node, reg,
- &sun9i_a80_de_clk_desc);
+ ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun9i_a80_de_clk_desc);
if (ret)
goto err_assert_reset;
@@ -272,12 +254,18 @@ static const struct of_device_id sun9i_a80_de_clk_ids[] = {
{ .compatible = "allwinner,sun9i-a80-de-clks" },
{ }
};
+MODULE_DEVICE_TABLE(of, sun9i_a80_de_clk_ids);
static struct platform_driver sun9i_a80_de_clk_driver = {
.probe = sun9i_a80_de_clk_probe,
.driver = {
.name = "sun9i-a80-de-clks",
+ .suppress_bind_attrs = true,
.of_match_table = sun9i_a80_de_clk_ids,
},
};
-builtin_platform_driver(sun9i_a80_de_clk_driver);
+module_platform_driver(sun9i_a80_de_clk_driver);
+
+MODULE_IMPORT_NS("SUNXI_CCU");
+MODULE_DESCRIPTION("Support for the Allwinner A80 Display Engine CCU");
+MODULE_LICENSE("GPL");