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clk: max77686: Refactor driver data handling 

As a prerequisite for further patch adding OF clock provider support to
the driver, this patch changes the driver to store an array of struct
clk * as driver data.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
hifive-unleashed-5.1
Tomasz Figa 2013-12-12 17:07:19 +01:00 committed by Mike Turquette
parent d73ac4ca66
commit 3966c947f4
1 changed files with 14 additions and 13 deletions
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27
drivers/clk/clk-max77686.c
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@ -137,12 +137,13 @@ static struct clk *max77686_clk_register(struct device *dev,
static int max77686_clk_probe(struct platform_device *pdev)
{
struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct max77686_clk **max77686_clks;
struct max77686_clk *max77686_clks[MAX77686_CLKS_NUM];
struct clk **clocks;
int i, ret;
max77686_clks = devm_kzalloc(&pdev->dev, sizeof(struct max77686_clk *)
clocks = devm_kzalloc(&pdev->dev, sizeof(struct clk *)
* MAX77686_CLKS_NUM, GFP_KERNEL);
if (!max77686_clks)
if (!clocks)
return -ENOMEM;
for (i = 0; i < MAX77686_CLKS_NUM; i++) {
@ -153,23 +154,20 @@ static int max77686_clk_probe(struct platform_device *pdev)
}
for (i = 0; i < MAX77686_CLKS_NUM; i++) {
struct clk *clk;
max77686_clks[i]->iodev = iodev;
max77686_clks[i]->mask = 1 << i;
max77686_clks[i]->hw.init = &max77686_clks_init[i];
clk = max77686_clk_register(&pdev->dev, max77686_clks[i]);
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
clocks[i] = max77686_clk_register(&pdev->dev, max77686_clks[i]);
if (IS_ERR(clocks[i])) {
ret = PTR_ERR(clocks[i]);
dev_err(&pdev->dev, "failed to register %s\n",
max77686_clks[i]->hw.init->name);
goto err_clocks;
}
}
platform_set_drvdata(pdev, max77686_clks);
platform_set_drvdata(pdev, clocks);
return 0;
@ -184,12 +182,15 @@ err_clocks:
static int max77686_clk_remove(struct platform_device *pdev)
{
struct max77686_clk **max77686_clks = platform_get_drvdata(pdev);
struct clk **clocks = platform_get_drvdata(pdev);
int i;
for (i = 0; i < MAX77686_CLKS_NUM; i++) {
clkdev_drop(max77686_clks[i]->lookup);
clk_unregister(max77686_clks[i]->hw.clk);
struct clk_hw *hw = __clk_get_hw(clocks[i]);
struct max77686_clk *max77686 = to_max77686_clk(hw);
clkdev_drop(max77686->lookup);
clk_unregister(clocks[i]);
}
return 0;
}