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clk: nomadik: Migrate to clk_hw based OF and registration APIs

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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.

Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Stephen Boyd 2016-06-01 16:15:19 -07:00 committed by Stephen Boyd
parent 8e66cc0582
commit 7b38d1b222
1 changed files with 26 additions and 22 deletions
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48
drivers/clk/clk-nomadik.c
View file

@ -253,11 +253,11 @@ static const struct clk_ops pll_clk_ops = {
.recalc_rate = pll_clk_recalc_rate,
};
static struct clk * __init
static struct clk_hw * __init
pll_clk_register(struct device *dev, const char *name,
const char *parent_name, u32 id)
{
struct clk *clk;
int ret;
struct clk_pll *pll;
struct clk_init_data init;
@ -281,11 +281,13 @@ pll_clk_register(struct device *dev, const char *name,
pr_debug("register PLL1 clock \"%s\"\n", name);
clk = clk_register(dev, &pll->hw);
if (IS_ERR(clk))
ret = clk_hw_register(dev, &pll->hw);
if (ret) {
kfree(pll);
return ERR_PTR(ret);
}
return clk;
return &pll->hw;
}
/*
@ -345,11 +347,11 @@ static const struct clk_ops src_clk_ops = {
.recalc_rate = src_clk_recalc_rate,
};
static struct clk * __init
static struct clk_hw * __init
src_clk_register(struct device *dev, const char *name,
const char *parent_name, u8 id)
{
struct clk *clk;
int ret;
struct clk_src *sclk;
struct clk_init_data init;
@ -376,11 +378,13 @@ src_clk_register(struct device *dev, const char *name,
pr_debug("register clock \"%s\" ID: %d group: %d bits: %08x\n",
name, id, sclk->group1, sclk->clkbit);
clk = clk_register(dev, &sclk->hw);
if (IS_ERR(clk))
ret = clk_hw_register(dev, &sclk->hw);
if (ret) {
kfree(sclk);
return ERR_PTR(ret);
}
return clk;
return &sclk->hw;
}
#ifdef CONFIG_DEBUG_FS
@ -508,7 +512,7 @@ device_initcall(nomadik_src_clk_init_debugfs);
static void __init of_nomadik_pll_setup(struct device_node *np)
{
struct clk *clk = ERR_PTR(-EINVAL);
struct clk_hw *hw;
const char *clk_name = np->name;
const char *parent_name;
u32 pll_id;
@ -522,16 +526,16 @@ static void __init of_nomadik_pll_setup(struct device_node *np)
return;
}
parent_name = of_clk_get_parent_name(np, 0);
clk = pll_clk_register(NULL, clk_name, parent_name, pll_id);
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
hw = pll_clk_register(NULL, clk_name, parent_name, pll_id);
if (!IS_ERR(hw))
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(nomadik_pll_clk,
"st,nomadik-pll-clock", of_nomadik_pll_setup);
static void __init of_nomadik_hclk_setup(struct device_node *np)
{
struct clk *clk = ERR_PTR(-EINVAL);
struct clk_hw *hw;
const char *clk_name = np->name;
const char *parent_name;
@ -542,20 +546,20 @@ static void __init of_nomadik_hclk_setup(struct device_node *np)
/*
* The HCLK divides PLL1 with 1 (passthru), 2, 3 or 4.
*/
clk = clk_register_divider(NULL, clk_name, parent_name,
hw = clk_hw_register_divider(NULL, clk_name, parent_name,
0, src_base + SRC_CR,
13, 2,
CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
&src_lock);
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
if (!IS_ERR(hw))
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(nomadik_hclk_clk,
"st,nomadik-hclk-clock", of_nomadik_hclk_setup);
static void __init of_nomadik_src_clk_setup(struct device_node *np)
{
struct clk *clk = ERR_PTR(-EINVAL);
struct clk_hw *hw;
const char *clk_name = np->name;
const char *parent_name;
u32 clk_id;
@ -569,9 +573,9 @@ static void __init of_nomadik_src_clk_setup(struct device_node *np)
return;
}
parent_name = of_clk_get_parent_name(np, 0);
clk = src_clk_register(NULL, clk_name, parent_name, clk_id);
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);
hw = src_clk_register(NULL, clk_name, parent_name, clk_id);
if (!IS_ERR(hw))
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(nomadik_src_clk,
"st,nomadik-src-clock", of_nomadik_src_clk_setup);