[RFC PATCH 09/16] clk: hifiberry-dacpro: style cleanups, use devm_

Lots of small issues, xmas style, alignment, wrong comments, memory leak

Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- drivers/clk/clk-hifiberry-dacpro.c | 42 +++++++++++------------------- 1 file changed, 15 insertions(+), 27 deletions(-)

diff --git a/drivers/clk/clk-hifiberry-dacpro.c b/drivers/clk/clk-hifiberry-dacpro.c index eb67a8c47c49..78ede325d237 100644 --- a/drivers/clk/clk-hifiberry-dacpro.c +++ b/drivers/clk/clk-hifiberry-dacpro.c @@ -21,13 +21,13 @@ #define CLK_48EN_RATE 24576000UL

/** - * struct hifiberry_dacpro_clk - Common struct to the HiFiBerry DAC Pro + * struct clk_hifiberry_hw - Common struct to the HiFiBerry DAC Pro * @hw: clk_hw for the common clk framework * @mode: 0 => CLK44EN, 1 => CLK48EN */ struct clk_hifiberry_hw { struct clk_hw hw; - uint8_t mode; + u8 mode; };

#define to_hifiberry_clk(_hw) container_of(_hw, struct clk_hifiberry_hw, hw) @@ -39,14 +39,15 @@ static const struct of_device_id clk_hifiberry_dacpro_dt_ids[] = { MODULE_DEVICE_TABLE(of, clk_hifiberry_dacpro_dt_ids);

static unsigned long clk_hifiberry_dacpro_recalc_rate(struct clk_hw *hw, - unsigned long parent_rate) + unsigned long parent_rate) { return (to_hifiberry_clk(hw)->mode == 0) ? CLK_44EN_RATE : CLK_48EN_RATE; }

static long clk_hifiberry_dacpro_round_rate(struct clk_hw *hw, - unsigned long rate, unsigned long *parent_rate) + unsigned long rate, + unsigned long *parent_rate) { long actual_rate;

@@ -66,21 +67,20 @@ static long clk_hifiberry_dacpro_round_rate(struct clk_hw *hw, return actual_rate; }

- static int clk_hifiberry_dacpro_set_rate(struct clk_hw *hw, - unsigned long rate, unsigned long parent_rate) + unsigned long rate, + unsigned long parent_rate) { - unsigned long actual_rate; struct clk_hifiberry_hw *clk = to_hifiberry_clk(hw); + unsigned long actual_rate;

actual_rate = (unsigned long)clk_hifiberry_dacpro_round_rate(hw, rate, - &parent_rate); + &parent_rate); clk->mode = (actual_rate == CLK_44EN_RATE) ? 0 : 1; return 0; }

- -const struct clk_ops clk_hifiberry_dacpro_rate_ops = { +static const struct clk_ops clk_hifiberry_dacpro_rate_ops = { .recalc_rate = clk_hifiberry_dacpro_recalc_rate, .round_rate = clk_hifiberry_dacpro_round_rate, .set_rate = clk_hifiberry_dacpro_set_rate, @@ -88,15 +88,15 @@ const struct clk_ops clk_hifiberry_dacpro_rate_ops = {

static int clk_hifiberry_dacpro_probe(struct platform_device *pdev) { - int ret; struct clk_hifiberry_hw *proclk; - struct clk *clk; - struct device *dev; struct clk_init_data init; + struct device *dev; + struct clk *clk; + int ret;

dev = &pdev->dev;

- proclk = kzalloc(sizeof(struct clk_hifiberry_hw), GFP_KERNEL); + proclk = devm_kzalloc(dev, sizeof(*proclk), GFP_KERNEL); if (!proclk) return -ENOMEM;

@@ -115,7 +115,6 @@ static int clk_hifiberry_dacpro_probe(struct platform_device *pdev) clk); } else { dev_err(dev, "Fail to register clock driver\n"); - kfree(proclk); ret = PTR_ERR(clk); } return ret; @@ -135,18 +134,7 @@ static struct platform_driver clk_hifiberry_dacpro_driver = { .of_match_table = clk_hifiberry_dacpro_dt_ids, }, }; - -static int __init clk_hifiberry_dacpro_init(void) -{ - return platform_driver_register(&clk_hifiberry_dacpro_driver); -} -core_initcall(clk_hifiberry_dacpro_init); - -static void __exit clk_hifiberry_dacpro_exit(void) -{ - platform_driver_unregister(&clk_hifiberry_dacpro_driver); -} -module_exit(clk_hifiberry_dacpro_exit); +module_platform_driver(clk_hifiberry_dacpro_driver);

MODULE_DESCRIPTION("HiFiBerry DAC Pro clock driver"); MODULE_LICENSE("GPL v2");