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authorStephen Boyd <stephen.boyd@linaro.org>2016-06-02 01:15:23 +0200
committerStephen Boyd <sboyd@codeaurora.org>2016-08-25 02:29:57 +0200
commita8b6e85db6a65132ebc85e38b6391669b37b36f8 (patch)
treebdc4888618180d0b8c5b14588f157a0a67971bad /drivers/clk/clk-rk808.c
parentclk: pwm: Migrate to clk_hw based OF and registration APIs (diff)
downloadlinux-a8b6e85db6a65132ebc85e38b6391669b37b36f8.tar.xz
linux-a8b6e85db6a65132ebc85e38b6391669b37b36f8.zip
clk: rk808: Migrate to clk_hw based OF and registration APIs
Now that we have clk_hw based provider APIs to register clks, we can get rid of struct clk pointers while registering clks in these drivers, allowing us to move closer to a clear split of consumer and provider clk APIs. Cc: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/clk-rk808.c')
-rw-r--r--drivers/clk/clk-rk808.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c
index 74383039761e..faa447e191ef 100644
--- a/drivers/clk/clk-rk808.c
+++ b/drivers/clk/clk-rk808.c
@@ -22,11 +22,8 @@
#include <linux/mfd/rk808.h>
#include <linux/i2c.h>
-#define RK808_NR_OUTPUT 2
-
struct rk808_clkout {
struct rk808 *rk808;
- struct clk_onecell_data clk_data;
struct clk_hw clkout1_hw;
struct clk_hw clkout2_hw;
};
@@ -85,14 +82,28 @@ static const struct clk_ops rk808_clkout2_ops = {
.recalc_rate = rk808_clkout_recalc_rate,
};
+static struct clk_hw *
+of_clk_rk808_get(struct of_phandle_args *clkspec, void *data)
+{
+ struct rk808_clkout *rk808_clkout = data;
+ unsigned int idx = clkspec->args[0];
+
+ if (idx >= 2) {
+ pr_err("%s: invalid index %u\n", __func__, idx);
+ return ERR_PTR(-EINVAL);
+ }
+
+ return idx ? &rk808_clkout->clkout2_hw : &rk808_clkout->clkout1_hw;
+}
+
static int rk808_clkout_probe(struct platform_device *pdev)
{
struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);
struct i2c_client *client = rk808->i2c;
struct device_node *node = client->dev.of_node;
struct clk_init_data init = {};
- struct clk **clk_table;
struct rk808_clkout *rk808_clkout;
+ int ret;
rk808_clkout = devm_kzalloc(&client->dev,
sizeof(*rk808_clkout), GFP_KERNEL);
@@ -101,11 +112,6 @@ static int rk808_clkout_probe(struct platform_device *pdev)
rk808_clkout->rk808 = rk808;
- clk_table = devm_kcalloc(&client->dev, RK808_NR_OUTPUT,
- sizeof(struct clk *), GFP_KERNEL);
- if (!clk_table)
- return -ENOMEM;
-
init.parent_names = NULL;
init.num_parents = 0;
init.name = "rk808-clkout1";
@@ -116,10 +122,9 @@ static int rk808_clkout_probe(struct platform_device *pdev)
of_property_read_string_index(node, "clock-output-names",
0, &init.name);
- clk_table[0] = devm_clk_register(&client->dev,
- &rk808_clkout->clkout1_hw);
- if (IS_ERR(clk_table[0]))
- return PTR_ERR(clk_table[0]);
+ ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout1_hw);
+ if (ret)
+ return ret;
init.name = "rk808-clkout2";
init.ops = &rk808_clkout2_ops;
@@ -129,16 +134,11 @@ static int rk808_clkout_probe(struct platform_device *pdev)
of_property_read_string_index(node, "clock-output-names",
1, &init.name);
- clk_table[1] = devm_clk_register(&client->dev,
- &rk808_clkout->clkout2_hw);
- if (IS_ERR(clk_table[1]))
- return PTR_ERR(clk_table[1]);
-
- rk808_clkout->clk_data.clks = clk_table;
- rk808_clkout->clk_data.clk_num = RK808_NR_OUTPUT;
+ ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout2_hw);
+ if (ret)
+ return ret;
- return of_clk_add_provider(node, of_clk_src_onecell_get,
- &rk808_clkout->clk_data);
+ return of_clk_add_hw_provider(node, of_clk_rk808_get, &rk808_clkout);
}
static int rk808_clkout_remove(struct platform_device *pdev)