diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2018-02-21 13:15:22 +0300 |
|---|---|---|
| committer | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2018-03-06 19:33:37 +0300 |
| commit | af8d30ac64e1ddef50981dc039f5773f57338b1a (patch) | |
| tree | 9b5b594b2d336eb2772f3488af50239a61ebcaf9 /drivers/soc | |
| parent | 7928b2cbe55b2a410a0f5c1f154610059c57b1b2 (diff) | |
| download | linux-af8d30ac64e1ddef50981dc039f5773f57338b1a.tar.xz | |
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>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/samsung/pm_domains.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/soc/samsung/pm_domains.c b/drivers/soc/samsung/pm_domains.c index b6a436594a19..cef30bdf19b1 100644 --- a/drivers/soc/samsung/pm_domains.c +++ b/drivers/soc/samsung/pm_domains.c @@ -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]; |