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authorStephen Boyd <stephen.boyd@linaro.org>2016-08-16 15:38:56 -0700
committerStephen Boyd <sboyd@codeaurora.org>2016-08-18 16:42:36 -0700
commit9b4cac33adc7716bb232b3a82a5ed0806286fe9a (patch)
tree7570539f5b433d1ee12e30ed53ae5e93a893e8ef /drivers/clk/clk-max77686.c
parent91d17dc341795731794b7284f6f32f07ebdd7a86 (diff)
clk: max77686: 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. Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Tested-by: Javier Martinez Canillas <javier@osg.samsung.com> Cc: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/clk-max77686.c')
-rw-r--r--drivers/clk/clk-max77686.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/clk/clk-max77686.c b/drivers/clk/clk-max77686.c
index 19f620856571..b637f5979023 100644
--- a/drivers/clk/clk-max77686.c
+++ b/drivers/clk/clk-max77686.c
@@ -62,9 +62,8 @@ struct max77686_clk_init_data {
struct max77686_clk_driver_data {
enum max77686_chip_name chip;
- struct clk **clks;
struct max77686_clk_init_data *max_clk_data;
- struct clk_onecell_data of_data;
+ size_t num_clks;
};
static const struct
@@ -160,6 +159,20 @@ static struct clk_ops max77686_clk_ops = {
.recalc_rate = max77686_recalc_rate,
};
+static struct clk_hw *
+of_clk_max77686_get(struct of_phandle_args *clkspec, void *data)
+{
+ struct max77686_clk_driver_data *drv_data = data;
+ unsigned int idx = clkspec->args[0];
+
+ if (idx >= drv_data->num_clks) {
+ pr_err("%s: invalid index %u\n", __func__, idx);
+ return ERR_PTR(-EINVAL);
+ }
+
+ return &drv_data->max_clk_data[idx].hw;
+}
+
static int max77686_clk_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -209,14 +222,8 @@ static int max77686_clk_probe(struct platform_device *pdev)
if (!drv_data->max_clk_data)
return -ENOMEM;
- drv_data->clks = devm_kcalloc(dev, num_clks,
- sizeof(*drv_data->clks), GFP_KERNEL);
- if (!drv_data->clks)
- return -ENOMEM;
-
for (i = 0; i < num_clks; i++) {
struct max77686_clk_init_data *max_clk_data;
- struct clk *clk;
const char *clk_name;
max_clk_data = &drv_data->max_clk_data[i];
@@ -236,30 +243,23 @@ static int max77686_clk_probe(struct platform_device *pdev)
max_clk_data->hw.init = &max_clk_data->clk_idata;
- clk = devm_clk_register(dev, &max_clk_data->hw);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
+ ret = devm_clk_hw_register(dev, &max_clk_data->hw);
+ if (ret) {
dev_err(dev, "Failed to clock register: %d\n", ret);
return ret;
}
- ret = clk_register_clkdev(clk, max_clk_data->clk_idata.name,
- NULL);
+ ret = clk_hw_register_clkdev(&max_clk_data->hw,
+ max_clk_data->clk_idata.name, NULL);
if (ret < 0) {
dev_err(dev, "Failed to clkdev register: %d\n", ret);
return ret;
}
- drv_data->clks[i] = clk;
}
- platform_set_drvdata(pdev, drv_data);
-
if (parent->of_node) {
- drv_data->of_data.clks = drv_data->clks;
- drv_data->of_data.clk_num = num_clks;
- ret = of_clk_add_provider(parent->of_node,
- of_clk_src_onecell_get,
- &drv_data->of_data);
+ ret = of_clk_add_hw_provider(parent->of_node, of_clk_max77686_get,
+ drv_data);
if (ret < 0) {
dev_err(dev, "Failed to register OF clock provider: %d\n",