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Merge branch 'clk-st-critical' into clk-next 

* clk-st-critical:
  clk: st: clkgen-pll: Detect critical clocks
  clk: st: clkgen-fsyn: Detect critical clocks
  clk: st: clk-flexgen: Detect critical clocks
This commit is contained in:
Stephen Boyd 2016-06-30 12:19:22 -07:00
parent a31bb03263 6ca59e6e1f
commit 1ff435d357
3 changed files with 27 additions and 14 deletions
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4
drivers/clk/st/clk-flexgen.c
View File

@ -267,7 +267,6 @@ static void __init st_of_flexgen_setup(struct device_node *np)
const char **parents;
int num_parents, i;
spinlock_t *rlock = NULL;
unsigned long flex_flags = 0;
int ret;
pnode = of_get_parent(np);
@ -308,12 +307,15 @@ static void __init st_of_flexgen_setup(struct device_node *np)
for (i = 0; i < clk_data->clk_num; i++) {
struct clk *clk;
const char *clk_name;
unsigned long flex_flags = 0;
if (of_property_read_string_index(np, "clock-output-names",
i, &clk_name)) {
break;
}
of_clk_detect_critical(np, i, &flex_flags);
/*
* If we read an empty clock name then the output is unused
*/

10
drivers/clk/st/clkgen-fsyn.c
View File

@ -1027,7 +1027,7 @@ static const struct clk_ops st_quadfs_ops = {
static struct clk * __init st_clk_register_quadfs_fsynth(
const char *name, const char *parent_name,
struct clkgen_quadfs_data *quadfs, void __iomem *reg, u32 chan,
spinlock_t *lock)
unsigned long flags, spinlock_t *lock)
{
struct st_clk_quadfs_fsynth *fs;
struct clk *clk;
@ -1045,7 +1045,7 @@ static struct clk * __init st_clk_register_quadfs_fsynth(
init.name = name;
init.ops = &st_quadfs_ops;
init.flags = CLK_GET_RATE_NOCACHE | CLK_IS_BASIC;
init.flags = flags | CLK_GET_RATE_NOCACHE | CLK_IS_BASIC;
init.parent_names = &parent_name;
init.num_parents = 1;
@ -1115,6 +1115,7 @@ static void __init st_of_create_quadfs_fsynths(
for (fschan = 0; fschan < QUADFS_MAX_CHAN; fschan++) {
struct clk *clk;
const char *clk_name;
unsigned long flags = 0;
if (of_property_read_string_index(np, "clock-output-names",
fschan, &clk_name)) {
@ -1127,8 +1128,11 @@ static void __init st_of_create_quadfs_fsynths(
if (*clk_name == '\0')
continue;
of_clk_detect_critical(np, fschan, &flags);
clk = st_clk_register_quadfs_fsynth(clk_name, pll_name,
quadfs, reg, fschan, lock);
quadfs, reg, fschan,
flags, lock);
/*
* If there was an error registering this clock output, clean

27
drivers/clk/st/clkgen-pll.c
View File

@ -840,7 +840,7 @@ static const struct clk_ops stm_pll4600c28_ops = {
static struct clk * __init clkgen_pll_register(const char *parent_name,
struct clkgen_pll_data *pll_data,
void __iomem *reg,
void __iomem *reg, unsigned long pll_flags,
const char *clk_name, spinlock_t *lock)
{
struct clkgen_pll *pll;
@ -854,7 +854,7 @@ static struct clk * __init clkgen_pll_register(const char *parent_name,
init.name = clk_name;
init.ops = pll_data->ops;
init.flags = CLK_IS_BASIC | CLK_GET_RATE_NOCACHE;
init.flags = pll_flags | CLK_IS_BASIC | CLK_GET_RATE_NOCACHE;
init.parent_names = &parent_name;
init.num_parents = 1;
@ -948,7 +948,7 @@ static void __init clkgena_c65_pll_setup(struct device_node *np)
*/
clk_data->clks[0] = clkgen_pll_register(parent_name,
(struct clkgen_pll_data *) &st_pll1600c65_ax,
reg + CLKGENAx_PLL0_OFFSET, clk_name, NULL);
reg + CLKGENAx_PLL0_OFFSET, 0, clk_name, NULL);
if (IS_ERR(clk_data->clks[0]))
goto err;
@ -977,7 +977,7 @@ static void __init clkgena_c65_pll_setup(struct device_node *np)
*/
clk_data->clks[2] = clkgen_pll_register(parent_name,
(struct clkgen_pll_data *) &st_pll800c65_ax,
reg + CLKGENAx_PLL1_OFFSET, clk_name, NULL);
reg + CLKGENAx_PLL1_OFFSET, 0, clk_name, NULL);
if (IS_ERR(clk_data->clks[2]))
goto err;
@ -995,7 +995,7 @@ CLK_OF_DECLARE(clkgena_c65_plls,
static struct clk * __init clkgen_odf_register(const char *parent_name,
void __iomem *reg,
struct clkgen_pll_data *pll_data,
int odf,
unsigned long pll_flags, int odf,
spinlock_t *odf_lock,
const char *odf_name)
{
@ -1004,7 +1004,7 @@ static struct clk * __init clkgen_odf_register(const char *parent_name,
struct clk_gate *gate;
struct clk_divider *div;
flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT;
flags = pll_flags | CLK_GET_RATE_NOCACHE | CLK_SET_RATE_PARENT;
gate = kzalloc(sizeof(*gate), GFP_KERNEL);
if (!gate)
@ -1099,6 +1099,7 @@ static void __init clkgen_c32_pll_setup(struct device_node *np)
int num_odfs, odf;
struct clk_onecell_data *clk_data;
struct clkgen_pll_data *data;
unsigned long pll_flags = 0;
match = of_match_node(c32_pll_of_match, np);
if (!match) {
@ -1116,8 +1117,10 @@ static void __init clkgen_c32_pll_setup(struct device_node *np)
if (!pll_base)
return;
clk = clkgen_pll_register(parent_name, data, pll_base, np->name,
data->lock);
of_clk_detect_critical(np, 0, &pll_flags);
clk = clkgen_pll_register(parent_name, data, pll_base, pll_flags,
np->name, data->lock);
if (IS_ERR(clk))
return;
@ -1139,12 +1142,15 @@ static void __init clkgen_c32_pll_setup(struct device_node *np)
for (odf = 0; odf < num_odfs; odf++) {
struct clk *clk;
const char *clk_name;
unsigned long odf_flags = 0;
if (of_property_read_string_index(np, "clock-output-names",
odf, &clk_name))
return;
clk = clkgen_odf_register(pll_name, pll_base, data,
of_clk_detect_critical(np, odf, &odf_flags);
clk = clkgen_odf_register(pll_name, pll_base, data, odf_flags,
odf, &clkgena_c32_odf_lock, clk_name);
if (IS_ERR(clk))
goto err;
@ -1206,7 +1212,8 @@ static void __init clkgengpu_c32_pll_setup(struct device_node *np)
/*
* PLL 1200MHz output
*/
clk = clkgen_pll_register(parent_name, data, reg, clk_name, data->lock);
clk = clkgen_pll_register(parent_name, data, reg,
0, clk_name, data->lock);
if (!IS_ERR(clk))
of_clk_add_provider(np, of_clk_src_simple_get, clk);