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clk: bcm: iproc: Migrate to clk_hw based registration and OF APIs 

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.

Cc: Jon Mason <jonmason@broadcom.com>
Cc: Simran Rai <ssimran@broadcom.com>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Tested-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
hifive-unleashed-5.1
Stephen Boyd 2016-06-01 16:15:04 -07:00 committed by Stephen Boyd
parent fb2cd7d07a
commit ff02c6c0a4
3 changed files with 33 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/clk/bcm/clk-iproc-armpll.c
View File

@ -244,7 +244,6 @@ static const struct clk_ops iproc_arm_pll_ops = {
void __init iproc_armpll_setup(struct device_node *node)
{
int ret;
struct clk *clk;
struct iproc_arm_pll *pll;
struct clk_init_data init;
const char *parent_name;
@ -265,18 +264,18 @@ void __init iproc_armpll_setup(struct device_node *node)
init.num_parents = (parent_name ? 1 : 0);
pll->hw.init = &init;
clk = clk_register(NULL, &pll->hw);
if (WARN_ON(IS_ERR(clk)))
ret = clk_hw_register(NULL, &pll->hw);
if (WARN_ON(ret))
goto err_iounmap;
ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, &pll->hw);
if (WARN_ON(ret))
goto err_clk_unregister;
return;
err_clk_unregister:
clk_unregister(clk);
clk_hw_unregister(&pll->hw);
err_iounmap:
iounmap(pll->base);
err_free_pll:

27
drivers/clk/bcm/clk-iproc-asiu.c
View File

@ -37,7 +37,7 @@ struct iproc_asiu {
void __iomem *div_base;
void __iomem *gate_base;
struct clk_onecell_data clk_data;
struct clk_hw_onecell_data *clk_data;
struct iproc_asiu_clk *clks;
};
@ -197,11 +197,11 @@ void __init iproc_asiu_setup(struct device_node *node,
if (WARN_ON(!asiu))
return;
asiu->clk_data.clk_num = num_clks;
asiu->clk_data.clks = kcalloc(num_clks, sizeof(*asiu->clk_data.clks),
GFP_KERNEL);
if (WARN_ON(!asiu->clk_data.clks))
asiu->clk_data = kzalloc(sizeof(*asiu->clk_data->hws) * num_clks +
sizeof(*asiu->clk_data), GFP_KERNEL);
if (WARN_ON(!asiu->clk_data))
goto err_clks;
asiu->clk_data->num = num_clks;
asiu->clks = kcalloc(num_clks, sizeof(*asiu->clks), GFP_KERNEL);
if (WARN_ON(!asiu->clks))
@ -217,7 +217,6 @@ void __init iproc_asiu_setup(struct device_node *node,
for (i = 0; i < num_clks; i++) {
struct clk_init_data init;
struct clk *clk;
const char *parent_name;
struct iproc_asiu_clk *asiu_clk;
const char *clk_name;
@ -240,22 +239,22 @@ void __init iproc_asiu_setup(struct device_node *node,
init.num_parents = (parent_name ? 1 : 0);
asiu_clk->hw.init = &init;
clk = clk_register(NULL, &asiu_clk->hw);
if (WARN_ON(IS_ERR(clk)))
ret = clk_hw_register(NULL, &asiu_clk->hw);
if (WARN_ON(ret))
goto err_clk_register;
asiu->clk_data.clks[i] = clk;
asiu->clk_data->hws[i] = &asiu_clk->hw;
}
ret = of_clk_add_provider(node, of_clk_src_onecell_get,
&asiu->clk_data);
ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,
asiu->clk_data);
if (WARN_ON(ret))
goto err_clk_register;
return;
err_clk_register:
for (i = 0; i < num_clks; i++)
clk_unregister(asiu->clk_data.clks[i]);
while (--i >= 0)
clk_hw_unregister(asiu->clk_data->hws[i]);
iounmap(asiu->gate_base);
err_iomap_gate:
@ -265,7 +264,7 @@ err_iomap_div:
kfree(asiu->clks);
err_asiu_clks:
kfree(asiu->clk_data.clks);
kfree(asiu->clk_data);
err_clks:
kfree(asiu);

32
drivers/clk/bcm/clk-iproc-pll.c
View File

@ -89,7 +89,7 @@ struct iproc_pll {
const struct iproc_pll_vco_param *vco_param;
unsigned int num_vco_entries;
struct clk_onecell_data clk_data;
struct clk_hw_onecell_data *clk_data;
struct iproc_clk *clks;
};
@ -625,7 +625,6 @@ void __init iproc_pll_clk_setup(struct device_node *node,
unsigned int num_clks)
{
int i, ret;
struct clk *clk;
struct iproc_pll *pll;
struct iproc_clk *iclk;
struct clk_init_data init;
@ -638,11 +637,11 @@ void __init iproc_pll_clk_setup(struct device_node *node,
if (WARN_ON(!pll))
return;
pll->clk_data.clk_num = num_clks;
pll->clk_data.clks = kcalloc(num_clks, sizeof(*pll->clk_data.clks),
GFP_KERNEL);
if (WARN_ON(!pll->clk_data.clks))
pll->clk_data = kzalloc(sizeof(*pll->clk_data->hws) * num_clks +
sizeof(*pll->clk_data), GFP_KERNEL);
if (WARN_ON(!pll->clk_data))
goto err_clk_data;
pll->clk_data->num = num_clks;
pll->clks = kcalloc(num_clks, sizeof(*pll->clks), GFP_KERNEL);
if (WARN_ON(!pll->clks))
@ -694,11 +693,11 @@ void __init iproc_pll_clk_setup(struct device_node *node,
iproc_pll_sw_cfg(pll);
clk = clk_register(NULL, &iclk->hw);
if (WARN_ON(IS_ERR(clk)))
ret = clk_hw_register(NULL, &iclk->hw);
if (WARN_ON(ret))
goto err_pll_register;
pll->clk_data.clks[0] = clk;
pll->clk_data->hws[0] = &iclk->hw;
/* now initialize and register all leaf clocks */
for (i = 1; i < num_clks; i++) {
@ -724,22 +723,23 @@ void __init iproc_pll_clk_setup(struct device_node *node,
init.num_parents = (parent_name ? 1 : 0);
iclk->hw.init = &init;
clk = clk_register(NULL, &iclk->hw);
if (WARN_ON(IS_ERR(clk)))
ret = clk_hw_register(NULL, &iclk->hw);
if (WARN_ON(ret))
goto err_clk_register;
pll->clk_data.clks[i] = clk;
pll->clk_data->hws[i] = &iclk->hw;
}
ret = of_clk_add_provider(node, of_clk_src_onecell_get, &pll->clk_data);
ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,
pll->clk_data);
if (WARN_ON(ret))
goto err_clk_register;
return;
err_clk_register:
for (i = 0; i < num_clks; i++)
clk_unregister(pll->clk_data.clks[i]);
while (--i >= 0)
clk_hw_unregister(pll->clk_data->hws[i]);
err_pll_register:
if (pll->status_base != pll->control_base)
@ -759,7 +759,7 @@ err_pll_iomap:
kfree(pll->clks);
err_clks:
kfree(pll->clk_data.clks);
kfree(pll->clk_data);
err_clk_data:
kfree(pll);