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author | Tomasz Figa <t.figa@samsung.com> | 2013-08-23 19:22:21 +0200 |
---|---|---|
committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:44:08 +0900 |
commit | c334fd7d791ea6cf4de3b5ff5206f599c54262b3 (patch) | |
tree | 20ca4b8923fe1577b8cae932eaf001e3ad77b891 /drivers/clk | |
parent | 83df50aee58b264dbdf7bcb986fed994d25483aa (diff) | |
download | linux-3.10-c334fd7d791ea6cf4de3b5ff5206f599c54262b3.tar.gz linux-3.10-c334fd7d791ea6cf4de3b5ff5206f599c54262b3.tar.bz2 linux-3.10-c334fd7d791ea6cf4de3b5ff5206f599c54262b3.zip |
clk: max77686: Register OF clock provider
If max77686 chip is instantiated from device tree, it is desirable to
have an OF clock provider to allow device tree based look-up of clocks.
This patch adds OF clock provider registration to the clk-max77686
driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/clk-max77686.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/clk/clk-max77686.c b/drivers/clk/clk-max77686.c index 3cf38dc6637..3d7e8dd8fd5 100644 --- a/drivers/clk/clk-max77686.c +++ b/drivers/clk/clk-max77686.c @@ -169,6 +169,26 @@ static int max77686_clk_probe(struct platform_device *pdev) platform_set_drvdata(pdev, clocks); + if (iodev->dev->of_node) { + struct clk_onecell_data *of_data; + + of_data = devm_kzalloc(&pdev->dev, + sizeof(*of_data), GFP_KERNEL); + if (!of_data) { + ret = -ENOMEM; + goto err_clocks; + } + + of_data->clks = clocks; + of_data->clk_num = MAX77686_CLKS_NUM; + ret = of_clk_add_provider(iodev->dev->of_node, + of_clk_src_onecell_get, of_data); + if (ret) { + dev_err(&pdev->dev, "failed to register OF clock provider\n"); + goto err_clocks; + } + } + return 0; err_clocks: @@ -182,9 +202,13 @@ err_clocks: static int max77686_clk_remove(struct platform_device *pdev) { + struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct clk **clocks = platform_get_drvdata(pdev); int i; + if (iodev->dev->of_node) + of_clk_del_provider(iodev->dev->of_node); + for (i = 0; i < MAX77686_CLKS_NUM; i++) { struct clk_hw *hw = __clk_get_hw(clocks[i]); struct max77686_clk *max77686 = to_max77686_clk(hw); |