diff options
Diffstat (limited to 'drivers/clk/clk-fixed-rate.c')
-rw-r--r-- | drivers/clk/clk-fixed-rate.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index 90c79fb..cbd2462 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -32,51 +32,50 @@ static unsigned long clk_fixed_rate_recalc_rate(struct clk_hw *hw, { return to_clk_fixed_rate(hw)->fixed_rate; } -EXPORT_SYMBOL_GPL(clk_fixed_rate_recalc_rate); -struct clk_ops clk_fixed_rate_ops = { +const struct clk_ops clk_fixed_rate_ops = { .recalc_rate = clk_fixed_rate_recalc_rate, }; EXPORT_SYMBOL_GPL(clk_fixed_rate_ops); +/** + * clk_register_fixed_rate - register fixed-rate clock with the clock framework + * @dev: device that is registering this clock + * @name: name of this clock + * @parent_name: name of clock's parent + * @flags: framework-specific flags + * @fixed_rate: non-adjustable clock rate + */ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned long fixed_rate) { struct clk_fixed_rate *fixed; - char **parent_names = NULL; - u8 len; + struct clk *clk; + struct clk_init_data init; + /* allocate fixed-rate clock */ fixed = kzalloc(sizeof(struct clk_fixed_rate), GFP_KERNEL); - if (!fixed) { pr_err("%s: could not allocate fixed clk\n", __func__); return ERR_PTR(-ENOMEM); } + init.name = name; + init.ops = &clk_fixed_rate_ops; + init.flags = flags; + init.parent_names = (parent_name ? &parent_name: NULL); + init.num_parents = (parent_name ? 1 : 0); + /* struct clk_fixed_rate assignments */ fixed->fixed_rate = fixed_rate; + fixed->hw.init = &init; - if (parent_name) { - parent_names = kmalloc(sizeof(char *), GFP_KERNEL); - - if (! parent_names) - goto out; + /* register the clock */ + clk = clk_register(dev, &fixed->hw); - len = sizeof(char) * strlen(parent_name); - - parent_names[0] = kmalloc(len, GFP_KERNEL); - - if (!parent_names[0]) - goto out; - - strncpy(parent_names[0], parent_name, len); - } + if (IS_ERR(clk)) + kfree(fixed); -out: - return clk_register(dev, name, - &clk_fixed_rate_ops, &fixed->hw, - parent_names, - (parent_name ? 1 : 0), - flags); + return clk; } |