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soc: samsung: pm_domains: Add blacklisting clock handling 

Handling of clock reparenting will be move to clock controller driver,
so add possibility to blacklist clock handling on systems, where the
clock controller already does all needed operations. This is needed
to avoid potential deadlock on clock reparenting during power domain
on/off procedure.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
This commit is contained in:
Marek Szyprowski 2018-02-21 11:15:22 +01:00 committed by Sylwester Nawrocki
parent 7928b2cbe5
commit af8d30ac64
1 changed files with 8 additions and 0 deletions
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8
drivers/soc/samsung/pm_domains.c
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@ -147,6 +147,9 @@ static __init const char *exynos_get_domain_name(struct device_node *node)
return kstrdup_const(name, GFP_KERNEL);
}
static const char *soc_force_no_clk[] = {
};
static __init int exynos4_pm_init_power_domain(void)
{
struct device_node *np;
@ -183,6 +186,11 @@ static __init int exynos4_pm_init_power_domain(void)
pd->pd.power_on = exynos_pd_power_on;
pd->local_pwr_cfg = pm_domain_cfg->local_pwr_cfg;
for (i = 0; i < ARRAY_SIZE(soc_force_no_clk); i++)
if (of_find_compatible_node(NULL, NULL,
soc_force_no_clk[i]))
goto no_clk;
for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) {
char clk_name[8];