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clk: at91: Migrate to clk_hw based registration and OF APIs

Browse Source 
Now that we have clk_hw based provider APIs to register clks, we
can get rid of struct clk pointers in this driver, 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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Stephen Boyd 2016-06-01 14:31:22 -07:00 committed by Stephen Boyd
parent b19f009d45
commit f5644f10dc
13 changed files with 277 additions and 199 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/clk/at91/clk-generated.c
View File

@ -233,14 +233,16 @@ static void clk_generated_startup(struct clk_generated *gck)
>> AT91_PMC_PCR_GCKDIV_OFFSET;
}
static struct clk * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, const char
*name, const char **parent_names, u8 num_parents,
u8 id, const struct clk_range *range)
static struct clk_hw * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
const char *name, const char **parent_names,
u8 num_parents, u8 id,
const struct clk_range *range)
{
struct clk_generated *gck;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
gck = kzalloc(sizeof(*gck), GFP_KERNEL);
if (!gck)
@ -258,13 +260,15 @@ at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, const char
gck->lock = lock;
gck->range = *range;
clk = clk_register(NULL, &gck->hw);
if (IS_ERR(clk))
hw = &gck->hw;
ret = clk_hw_register(NULL, &gck->hw);
if (ret) {
kfree(gck);
else
hw = ERR_PTR(ret);
} else
clk_generated_startup(gck);
return clk;
return hw;
}
static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
@ -272,7 +276,7 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
int num;
u32 id;
const char *name;
struct clk *clk;
struct clk_hw *hw;
unsigned int num_parents;
const char *parent_names[GENERATED_SOURCE_MAX];
struct device_node *gcknp;
@ -306,13 +310,13 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
of_at91_get_clk_range(gcknp, "atmel,clk-output-range",
&range);
clk = at91_clk_register_generated(regmap, &pmc_pcr_lock, name,
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock, name,
parent_names, num_parents,
id, &range);
if (IS_ERR(clk))
if (IS_ERR(hw))
continue;
of_clk_add_provider(gcknp, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(gcknp, of_clk_hw_simple_get, hw);
}
}
CLK_OF_DECLARE(of_sama5d2_clk_generated_setup, "atmel,sama5d2-clk-generated",

8
drivers/clk/at91/clk-h32mx.c
View File

@ -92,7 +92,7 @@ static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np)
struct clk_init_data init;
const char *parent_name;
struct regmap *regmap;
struct clk *clk;
int ret;
regmap = syscon_node_to_regmap(of_get_parent(np));
if (IS_ERR(regmap))
@ -113,13 +113,13 @@ static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np)
h32mxclk->hw.init = &init;
h32mxclk->regmap = regmap;
clk = clk_register(NULL, &h32mxclk->hw);
if (IS_ERR(clk)) {
ret = clk_hw_register(NULL, &h32mxclk->hw);
if (ret) {
kfree(h32mxclk);
return;
}
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, &h32mxclk->hw);
}
CLK_OF_DECLARE(of_sama5d4_clk_h32mx_setup, "atmel,sama5d4-clk-h32mx",
of_sama5d4_clk_h32mx_setup);

88
drivers/clk/at91/clk-main.c
View File

@ -128,15 +128,16 @@ static const struct clk_ops main_osc_ops = {
.is_prepared = clk_main_osc_is_prepared,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_main_osc(struct regmap *regmap,
const char *name,
const char *parent_name,
bool bypass)
{
struct clk_main_osc *osc;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
if (!name || !parent_name)
return ERR_PTR(-EINVAL);
@ -160,16 +161,19 @@ at91_clk_register_main_osc(struct regmap *regmap,
AT91_PMC_MOSCEN,
AT91_PMC_OSCBYPASS | AT91_PMC_KEY);
clk = clk_register(NULL, &osc->hw);
if (IS_ERR(clk))
hw = &osc->hw;
ret = clk_hw_register(NULL, &osc->hw);
if (ret) {
kfree(osc);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *name = np->name;
const char *parent_name;
struct regmap *regmap;
@ -183,11 +187,11 @@ static void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91_clk_register_main_osc(regmap, name, parent_name, bypass);
if (IS_ERR(clk))
hw = at91_clk_register_main_osc(regmap, name, parent_name, bypass);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91rm9200_clk_main_osc, "atmel,at91rm9200-clk-main-osc",
of_at91rm9200_clk_main_osc_setup);
@ -271,14 +275,15 @@ static const struct clk_ops main_rc_osc_ops = {
.recalc_accuracy = clk_main_rc_osc_recalc_accuracy,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_main_rc_osc(struct regmap *regmap,
const char *name,
u32 frequency, u32 accuracy)
{
struct clk_main_rc_osc *osc;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
if (!name || !frequency)
return ERR_PTR(-EINVAL);
@ -298,16 +303,19 @@ at91_clk_register_main_rc_osc(struct regmap *regmap,
osc->frequency = frequency;
osc->accuracy = accuracy;
clk = clk_register(NULL, &osc->hw);
if (IS_ERR(clk))
hw = &osc->hw;
ret = clk_hw_register(NULL, hw);
if (ret) {
kfree(osc);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
u32 frequency = 0;
u32 accuracy = 0;
const char *name = np->name;
@ -321,11 +329,11 @@ static void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91_clk_register_main_rc_osc(regmap, name, frequency, accuracy);
if (IS_ERR(clk))
hw = at91_clk_register_main_rc_osc(regmap, name, frequency, accuracy);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9x5_clk_main_rc_osc, "atmel,at91sam9x5-clk-main-rc-osc",
of_at91sam9x5_clk_main_rc_osc_setup);
@ -395,14 +403,15 @@ static const struct clk_ops rm9200_main_ops = {
.recalc_rate = clk_rm9200_main_recalc_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_rm9200_main(struct regmap *regmap,
const char *name,
const char *parent_name)
{
struct clk_rm9200_main *clkmain;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
if (!name)
return ERR_PTR(-EINVAL);
@ -423,16 +432,19 @@ at91_clk_register_rm9200_main(struct regmap *regmap,
clkmain->hw.init = &init;
clkmain->regmap = regmap;
clk = clk_register(NULL, &clkmain->hw);
if (IS_ERR(clk))
hw = &clkmain->hw;
ret = clk_hw_register(NULL, &clkmain->hw);
if (ret) {
kfree(clkmain);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91rm9200_clk_main_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
@ -444,11 +456,11 @@ static void __init of_at91rm9200_clk_main_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91_clk_register_rm9200_main(regmap, name, parent_name);
if (IS_ERR(clk))
hw = at91_clk_register_rm9200_main(regmap, name, parent_name);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91rm9200_clk_main, "atmel,at91rm9200-clk-main",
of_at91rm9200_clk_main_setup);
@ -529,16 +541,17 @@ static const struct clk_ops sam9x5_main_ops = {
.get_parent = clk_sam9x5_main_get_parent,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_sam9x5_main(struct regmap *regmap,
const char *name,
const char **parent_names,
int num_parents)
{
struct clk_sam9x5_main *clkmain;
struct clk *clk = NULL;
struct clk_init_data init;
unsigned int status;
struct clk_hw *hw;
int ret;
if (!name)
return ERR_PTR(-EINVAL);
@ -561,16 +574,19 @@ at91_clk_register_sam9x5_main(struct regmap *regmap,
regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
clkmain->parent = status & AT91_PMC_MOSCEN ? 1 : 0;
clk = clk_register(NULL, &clkmain->hw);
if (IS_ERR(clk))
hw = &clkmain->hw;
ret = clk_hw_register(NULL, &clkmain->hw);
if (ret) {
kfree(clkmain);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91sam9x5_clk_main_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_names[2];
unsigned int num_parents;
const char *name = np->name;
@ -587,12 +603,12 @@ static void __init of_at91sam9x5_clk_main_setup(struct device_node *np)
of_property_read_string(np, "clock-output-names", &name);
clk = at91_clk_register_sam9x5_main(regmap, name, parent_names,
hw = at91_clk_register_sam9x5_main(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9x5_clk_main, "atmel,at91sam9x5-clk-main",
of_at91sam9x5_clk_main_setup);

21
drivers/clk/at91/clk-master.c
View File

@ -120,7 +120,7 @@ static const struct clk_ops master_ops = {
.get_parent = clk_master_get_parent,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_master(struct regmap *regmap,
const char *name, int num_parents,
const char **parent_names,
@ -128,8 +128,9 @@ at91_clk_register_master(struct regmap *regmap,
const struct clk_master_characteristics *characteristics)
{
struct clk_master *master;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
if (!name || !num_parents || !parent_names)
return ERR_PTR(-EINVAL);
@ -149,12 +150,14 @@ at91_clk_register_master(struct regmap *regmap,
master->characteristics = characteristics;
master->regmap = regmap;
clk = clk_register(NULL, &master->hw);
if (IS_ERR(clk)) {
hw = &master->hw;
ret = clk_hw_register(NULL, &master->hw);
if (ret) {
kfree(master);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
@ -198,7 +201,7 @@ static void __init
of_at91_clk_master_setup(struct device_node *np,
const struct clk_master_layout *layout)
{
struct clk *clk;
struct clk_hw *hw;
unsigned int num_parents;
const char *parent_names[MASTER_SOURCE_MAX];
const char *name = np->name;
@ -221,13 +224,13 @@ of_at91_clk_master_setup(struct device_node *np,
if (IS_ERR(regmap))
return;
clk = at91_clk_register_master(regmap, name, num_parents,
hw = at91_clk_register_master(regmap, name, num_parents,
parent_names, layout,
characteristics);
if (IS_ERR(clk))
if (IS_ERR(hw))
goto out_free_characteristics;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
return;
out_free_characteristics:

39
drivers/clk/at91/clk-peripheral.c
View File

@ -104,13 +104,14 @@ static const struct clk_ops peripheral_ops = {
.is_enabled = clk_peripheral_is_enabled,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_peripheral(struct regmap *regmap, const char *name,
const char *parent_name, u32 id)
{
struct clk_peripheral *periph;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
if (!name || !parent_name || id > PERIPHERAL_ID_MAX)
return ERR_PTR(-EINVAL);
@ -129,11 +130,14 @@ at91_clk_register_peripheral(struct regmap *regmap, const char *name,
periph->hw.init = &init;
periph->regmap = regmap;
clk = clk_register(NULL, &periph->hw);
if (IS_ERR(clk))
hw = &periph->hw;
ret = clk_hw_register(NULL, &periph->hw);
if (ret) {
kfree(periph);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void clk_sam9x5_peripheral_autodiv(struct clk_sam9x5_peripheral *periph)
@ -327,14 +331,15 @@ static const struct clk_ops sam9x5_peripheral_ops = {
.set_rate = clk_sam9x5_peripheral_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
const char *name, const char *parent_name,
u32 id, const struct clk_range *range)
{
struct clk_sam9x5_peripheral *periph;
struct clk *clk = NULL;
struct clk_init_data init;
struct clk_hw *hw;
int ret;
if (!name || !parent_name)
return ERR_PTR(-EINVAL);
@ -357,13 +362,15 @@ at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
periph->auto_div = true;
periph->range = *range;
clk = clk_register(NULL, &periph->hw);
if (IS_ERR(clk))
hw = &periph->hw;
ret = clk_hw_register(NULL, &periph->hw);
if (ret) {
kfree(periph);
else
hw = ERR_PTR(ret);
} else
clk_sam9x5_peripheral_autodiv(periph);
return clk;
return hw;
}
static void __init
@ -371,7 +378,7 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type)
{
int num;
u32 id;
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name;
struct device_node *periphclknp;
@ -400,7 +407,7 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type)
name = periphclknp->name;
if (type == PERIPHERAL_AT91RM9200) {
clk = at91_clk_register_peripheral(regmap, name,
hw = at91_clk_register_peripheral(regmap, name,
parent_name, id);
} else {
struct clk_range range = CLK_RANGE(0, 0);
@ -409,17 +416,17 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type)
"atmel,clk-output-range",
&range);
clk = at91_clk_register_sam9x5_peripheral(regmap,
hw = at91_clk_register_sam9x5_peripheral(regmap,
&pmc_pcr_lock,
name,
parent_name,
id, &range);
}
if (IS_ERR(clk))
if (IS_ERR(hw))
continue;
of_clk_add_provider(periphclknp, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(periphclknp, of_clk_hw_simple_get, hw);
}
}

21
drivers/clk/at91/clk-pll.c
View File

@ -296,17 +296,18 @@ static const struct clk_ops pll_ops = {
.set_rate = clk_pll_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_pll(struct regmap *regmap, const char *name,
const char *parent_name, u8 id,
const struct clk_pll_layout *layout,
const struct clk_pll_characteristics *characteristics)
{
struct clk_pll *pll;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int offset = PLL_REG(id);
unsigned int pllr;
int ret;
if (id > PLL_MAX_ID)
return ERR_PTR(-EINVAL);
@ -330,12 +331,14 @@ at91_clk_register_pll(struct regmap *regmap, const char *name,
pll->div = PLL_DIV(pllr);
pll->mul = PLL_MUL(pllr, layout);
clk = clk_register(NULL, &pll->hw);
if (IS_ERR(clk)) {
hw = &pll->hw;
ret = clk_hw_register(NULL, &pll->hw);
if (ret) {
kfree(pll);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
@ -465,7 +468,7 @@ of_at91_clk_pll_setup(struct device_node *np,
const struct clk_pll_layout *layout)
{
u32 id;
struct clk *clk;
struct clk_hw *hw;
struct regmap *regmap;
const char *parent_name;
const char *name = np->name;
@ -486,12 +489,12 @@ of_at91_clk_pll_setup(struct device_node *np,
if (!characteristics)
return;
clk = at91_clk_register_pll(regmap, name, parent_name, id, layout,
hw = at91_clk_register_pll(regmap, name, parent_name, id, layout,
characteristics);
if (IS_ERR(clk))
if (IS_ERR(hw))
goto out_free_characteristics;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
return;
out_free_characteristics:

24
drivers/clk/at91/clk-plldiv.c
View File

@ -75,13 +75,14 @@ static const struct clk_ops plldiv_ops = {
.set_rate = clk_plldiv_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_plldiv(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct clk_plldiv *plldiv;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
plldiv = kzalloc(sizeof(*plldiv), GFP_KERNEL);
if (!plldiv)
@ -96,18 +97,20 @@ at91_clk_register_plldiv(struct regmap *regmap, const char *name,
plldiv->hw.init = &init;
plldiv->regmap = regmap;
clk = clk_register(NULL, &plldiv->hw);
if (IS_ERR(clk))
hw = &plldiv->hw;
ret = clk_hw_register(NULL, &plldiv->hw);
if (ret) {
kfree(plldiv);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init
of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
@ -120,12 +123,11 @@ of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91_clk_register_plldiv(regmap, name, parent_name);
if (IS_ERR(clk))
hw = at91_clk_register_plldiv(regmap, name, parent_name);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
return;
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9x5_clk_plldiv, "atmel,at91sam9x5-clk-plldiv",
of_at91sam9x5_clk_plldiv_setup);

22
drivers/clk/at91/clk-programmable.c
View File

@ -170,15 +170,16 @@ static const struct clk_ops programmable_ops = {
.set_rate = clk_programmable_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_programmable(struct regmap *regmap,
const char *name, const char **parent_names,
u8 num_parents, u8 id,
const struct clk_programmable_layout *layout)
{
struct clk_programmable *prog;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
if (id > PROG_ID_MAX)
return ERR_PTR(-EINVAL);
@ -198,11 +199,14 @@ at91_clk_register_programmable(struct regmap *regmap,
prog->hw.init = &init;
prog->regmap = regmap;
clk = clk_register(NULL, &prog->hw);
if (IS_ERR(clk))
hw = &prog->hw;
ret = clk_hw_register(NULL, &prog->hw);
if (ret) {
kfree(prog);
hw = &prog->hw;
}
return clk;
return hw;
}
static const struct clk_programmable_layout at91rm9200_programmable_layout = {
@ -229,7 +233,7 @@ of_at91_clk_prog_setup(struct device_node *np,
{
int num;
u32 id;
struct clk *clk;
struct clk_hw *hw;
unsigned int num_parents;
const char *parent_names[PROG_SOURCE_MAX];
const char *name;
@ -257,13 +261,13 @@ of_at91_clk_prog_setup(struct device_node *np,
if (of_property_read_string(np, "clock-output-names", &name))
name = progclknp->name;
clk = at91_clk_register_programmable(regmap, name,
hw = at91_clk_register_programmable(regmap, name,
parent_names, num_parents,
id, layout);
if (IS_ERR(clk))
if (IS_ERR(hw))
continue;
of_clk_add_provider(progclknp, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(progclknp, of_clk_hw_simple_get, hw);
}
}

88
drivers/clk/at91/clk-slow.c
View File

@ -111,7 +111,7 @@ static const struct clk_ops slow_osc_ops = {
.is_prepared = clk_slow_osc_is_prepared,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_slow_osc(void __iomem *sckcr,
const char *name,
const char *parent_name,
@ -119,8 +119,9 @@ at91_clk_register_slow_osc(void __iomem *sckcr,
bool bypass)
{
struct clk_slow_osc *osc;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
if (!sckcr || !name || !parent_name)
return ERR_PTR(-EINVAL);
@ -143,17 +144,20 @@ at91_clk_register_slow_osc(void __iomem *sckcr,
writel((readl(sckcr) & ~AT91_SCKC_OSC32EN) | AT91_SCKC_OSC32BYP,
sckcr);
clk = clk_register(NULL, &osc->hw);
if (IS_ERR(clk))
hw = &osc->hw;
ret = clk_hw_register(NULL, &osc->hw);
if (ret) {
kfree(osc);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
void __init of_at91sam9x5_clk_slow_osc_setup(struct device_node *np,
void __iomem *sckcr)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name = np->name;
u32 startup;
@ -164,12 +168,12 @@ void __init of_at91sam9x5_clk_slow_osc_setup(struct device_node *np,
of_property_read_u32(np, "atmel,startup-time-usec", &startup);
bypass = of_property_read_bool(np, "atmel,osc-bypass");
clk = at91_clk_register_slow_osc(sckcr, name, parent_name, startup,
hw = at91_clk_register_slow_osc(sckcr, name, parent_name, startup,
bypass);
if (IS_ERR(clk))
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
static unsigned long clk_slow_rc_osc_recalc_rate(struct clk_hw *hw,
@ -223,7 +227,7 @@ static const struct clk_ops slow_rc_osc_ops = {
.recalc_accuracy = clk_slow_rc_osc_recalc_accuracy,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_slow_rc_osc(void __iomem *sckcr,
const char *name,
unsigned long frequency,
@ -231,8 +235,9 @@ at91_clk_register_slow_rc_osc(void __iomem *sckcr,
unsigned long startup)
{
struct clk_slow_rc_osc *osc;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
if (!sckcr || !name)
return ERR_PTR(-EINVAL);
@ -253,17 +258,20 @@ at91_clk_register_slow_rc_osc(void __iomem *sckcr,
osc->accuracy = accuracy;
osc->startup_usec = startup;
clk = clk_register(NULL, &osc->hw);
if (IS_ERR(clk))
hw = &osc->hw;
ret = clk_hw_register(NULL, &osc->hw);
if (ret) {
kfree(osc);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
void __init of_at91sam9x5_clk_slow_rc_osc_setup(struct device_node *np,
void __iomem *sckcr)
{
struct clk *clk;
struct clk_hw *hw;
u32 frequency = 0;
u32 accuracy = 0;
u32 startup = 0;
@ -274,12 +282,12 @@ void __init of_at91sam9x5_clk_slow_rc_osc_setup(struct device_node *np,
of_property_read_u32(np, "clock-accuracy", &accuracy);
of_property_read_u32(np, "atmel,startup-time-usec", &startup);
clk = at91_clk_register_slow_rc_osc(sckcr, name, frequency, accuracy,
hw = at91_clk_register_slow_rc_osc(sckcr, name, frequency, accuracy,
startup);
if (IS_ERR(clk))
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
static int clk_sam9x5_slow_set_parent(struct clk_hw *hw, u8 index)
@ -321,15 +329,16 @@ static const struct clk_ops sam9x5_slow_ops = {
.get_parent = clk_sam9x5_slow_get_parent,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_sam9x5_slow(void __iomem *sckcr,
const char *name,
const char **parent_names,
int num_parents)
{
struct clk_sam9x5_slow *slowck;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
if (!sckcr || !name || !parent_names || !num_parents)
return ERR_PTR(-EINVAL);
@ -348,17 +357,20 @@ at91_clk_register_sam9x5_slow(void __iomem *sckcr,
slowck->sckcr = sckcr;
slowck->parent = !!(readl(sckcr) & AT91_SCKC_OSCSEL);
clk = clk_register(NULL, &slowck->hw);
if (IS_ERR(clk))
hw = &slowck->hw;
ret = clk_hw_register(NULL, &slowck->hw);
if (ret) {
kfree(slowck);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
void __init of_at91sam9x5_clk_slow_setup(struct device_node *np,
void __iomem *sckcr)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_names[2];
unsigned int num_parents;
const char *name = np->name;
@ -371,12 +383,12 @@ void __init of_at91sam9x5_clk_slow_setup(struct device_node *np,
of_property_read_string(np, "clock-output-names", &name);
clk = at91_clk_register_sam9x5_slow(sckcr, name, parent_names,
hw = at91_clk_register_sam9x5_slow(sckcr, name, parent_names,
num_parents);
if (IS_ERR(clk))
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
static u8 clk_sam9260_slow_get_parent(struct clk_hw *hw)
@ -393,15 +405,16 @@ static const struct clk_ops sam9260_slow_ops = {
.get_parent = clk_sam9260_slow_get_parent,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_sam9260_slow(struct regmap *regmap,
const char *name,
const char **parent_names,
int num_parents)
{
struct clk_sam9260_slow *slowck;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
if (!name)
return ERR_PTR(-EINVAL);
@ -422,16 +435,19 @@ at91_clk_register_sam9260_slow(struct regmap *regmap,
slowck->hw.init = &init;
slowck->regmap = regmap;
clk = clk_register(NULL, &slowck->hw);
if (IS_ERR(clk))
hw = &slowck->hw;
ret = clk_hw_register(NULL, &slowck->hw);
if (ret) {
kfree(slowck);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91sam9260_clk_slow_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_names[2];
unsigned int num_parents;
const char *name = np->name;
@ -448,12 +464,12 @@ static void __init of_at91sam9260_clk_slow_setup(struct device_node *np)
of_property_read_string(np, "clock-output-names", &name);
clk = at91_clk_register_sam9260_slow(regmap, name, parent_names,
hw = at91_clk_register_sam9260_slow(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9260_clk_slow, "atmel,at91sam9260-clk-slow",

22
drivers/clk/at91/clk-smd.c
View File

@ -111,13 +111,14 @@ static const struct clk_ops at91sam9x5_smd_ops = {
.set_rate = at91sam9x5_clk_smd_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
const char **parent_names, u8 num_parents)
{
struct at91sam9x5_clk_smd *smd;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
smd = kzalloc(sizeof(*smd), GFP_KERNEL);
if (!smd)
@ -132,16 +133,19 @@ at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
smd->hw.init = &init;
smd->regmap = regmap;
clk = clk_register(NULL, &smd->hw);
if (IS_ERR(clk))
hw = &smd->hw;
ret = clk_hw_register(NULL, &smd->hw);
if (ret) {
kfree(smd);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91sam9x5_clk_smd_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
unsigned int num_parents;
const char *parent_names[SMD_SOURCE_MAX];
const char *name = np->name;
@ -159,12 +163,12 @@ static void __init of_at91sam9x5_clk_smd_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91sam9x5_clk_register_smd(regmap, name, parent_names,
hw = at91sam9x5_clk_register_smd(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9x5_clk_smd, "atmel,at91sam9x5-clk-smd",
of_at91sam9x5_clk_smd_setup);

22
drivers/clk/at91/clk-system.c
View File

@ -88,13 +88,14 @@ static const struct clk_ops system_ops = {
.is_prepared = clk_system_is_prepared,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_system(struct regmap *regmap, const char *name,
const char *parent_name, u8 id)
{
struct clk_system *sys;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
if (!parent_name || id > SYSTEM_MAX_ID)
return ERR_PTR(-EINVAL);
@ -113,18 +114,21 @@ at91_clk_register_system(struct regmap *regmap, const char *name,
sys->hw.init = &init;
sys->regmap = regmap;
clk = clk_register(NULL, &sys->hw);
if (IS_ERR(clk))
hw = &sys->hw;
ret = clk_hw_register(NULL, &sys->hw);
if (ret) {
kfree(sys);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91rm9200_clk_sys_setup(struct device_node *np)
{
int num;
u32 id;
struct clk *clk;
struct clk_hw *hw;
const char *name;
struct device_node *sysclknp;
const char *parent_name;
@ -147,11 +151,11 @@ static void __init of_at91rm9200_clk_sys_setup(struct device_node *np)
parent_name = of_clk_get_parent_name(sysclknp, 0);
clk = at91_clk_register_system(regmap, name, parent_name, id);
if (IS_ERR(clk))
hw = at91_clk_register_system(regmap, name, parent_name, id);
if (IS_ERR(hw))
continue;
of_clk_add_provider(sysclknp, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(sysclknp, of_clk_hw_simple_get, hw);
}
}
CLK_OF_DECLARE(at91rm9200_clk_sys, "atmel,at91rm9200-clk-system",

69
drivers/clk/at91/clk-usb.c
View File

@ -192,13 +192,14 @@ static const struct clk_ops at91sam9n12_usb_ops = {
.set_rate = at91sam9x5_clk_usb_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
const char **parent_names, u8 num_parents)
{
struct at91sam9x5_clk_usb *usb;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
usb = kzalloc(sizeof(*usb), GFP_KERNEL);
if (!usb)
@ -214,20 +215,24 @@ at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
usb->hw.init = &init;
usb->regmap = regmap;
clk = clk_register(NULL, &usb->hw);
if (IS_ERR(clk))
hw = &usb->hw;
ret = clk_hw_register(NULL, &usb->hw);
if (ret) {
kfree(usb);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static struct clk * __init
static struct clk_hw * __init
at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct at91sam9x5_clk_usb *usb;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
usb = kzalloc(sizeof(*usb), GFP_KERNEL);
if (!usb)
@ -242,11 +247,14 @@ at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
usb->hw.init = &init;
usb->regmap = regmap;
clk = clk_register(NULL, &usb->hw);
if (IS_ERR(clk))
hw = &usb->hw;
ret = clk_hw_register(NULL, &usb->hw);
if (ret) {
kfree(usb);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static unsigned long at91rm9200_clk_usb_recalc_rate(struct clk_hw *hw,
@ -334,13 +342,14 @@ static const struct clk_ops at91rm9200_usb_ops = {
.set_rate = at91rm9200_clk_usb_set_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
const char *parent_name, const u32 *divisors)
{
struct at91rm9200_clk_usb *usb;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
usb = kzalloc(sizeof(*usb), GFP_KERNEL);
if (!usb)
@ -356,16 +365,19 @@ at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
usb->regmap = regmap;
memcpy(usb->divisors, divisors, sizeof(usb->divisors));
clk = clk_register(NULL, &usb->hw);
if (IS_ERR(clk))
hw = &usb->hw;
ret = clk_hw_register(NULL, &usb->hw);
if (ret) {
kfree(usb);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
unsigned int num_parents;
const char *parent_names[USB_SOURCE_MAX];
const char *name = np->name;
@ -383,19 +395,19 @@ static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91sam9x5_clk_register_usb(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
hw = at91sam9x5_clk_register_usb(regmap, name, parent_names,
num_parents);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9x5_clk_usb, "atmel,at91sam9x5-clk-usb",
of_at91sam9x5_clk_usb_setup);
static void __init of_at91sam9n12_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
@ -410,18 +422,18 @@ static void __init of_at91sam9n12_clk_usb_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91sam9n12_clk_register_usb(regmap, name, parent_name);
if (IS_ERR(clk))
hw = at91sam9n12_clk_register_usb(regmap, name, parent_name);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91sam9n12_clk_usb, "atmel,at91sam9n12-clk-usb",
of_at91sam9n12_clk_usb_setup);
static void __init of_at91rm9200_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name = np->name;
u32 divisors[4] = {0, 0, 0, 0};
@ -440,12 +452,11 @@ static void __init of_at91rm9200_clk_usb_setup(struct device_node *np)
regmap = syscon_node_to_regmap(of_get_parent(np));
if (IS_ERR(regmap))
return;
clk = at91rm9200_clk_register_usb(regmap, name, parent_name, divisors);
if (IS_ERR(clk))
hw = at91rm9200_clk_register_usb(regmap, name, parent_name, divisors);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
}
CLK_OF_DECLARE(at91rm9200_clk_usb, "atmel,at91rm9200-clk-usb",
of_at91rm9200_clk_usb_setup);

22
drivers/clk/at91/clk-utmi.c
View File

@ -77,13 +77,14 @@ static const struct clk_ops utmi_ops = {
.recalc_rate = clk_utmi_recalc_rate,
};
static struct clk * __init
static struct clk_hw * __init
at91_clk_register_utmi(struct regmap *regmap,
const char *name, const char *parent_name)
{
struct clk_utmi *utmi;
struct clk *clk = NULL;
struct clk_hw *hw;
struct clk_init_data init;
int ret;
utmi = kzalloc(sizeof(*utmi), GFP_KERNEL);
if (!utmi)
@ -98,16 +99,19 @@ at91_clk_register_utmi(struct regmap *regmap,
utmi->hw.init = &init;
utmi->regmap = regmap;
clk = clk_register(NULL, &utmi->hw);
if (IS_ERR(clk))
hw = &utmi->hw;
ret = clk_hw_register(NULL, &utmi->hw);
if (ret) {
kfree(utmi);
hw = ERR_PTR(ret);
}
return clk;
return hw;
}
static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
{
struct clk *clk;
struct clk_hw *hw;
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
@ -120,11 +124,11 @@ static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
clk = at91_clk_register_utmi(regmap, name, parent_name);
if (IS_ERR(clk))
hw = at91_clk_register_utmi(regmap, name, parent_name);
if (IS_ERR(hw))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
return;
}
CLK_OF_DECLARE(at91sam9x5_clk_utmi, "atmel,at91sam9x5-clk-utmi",