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Merge tag 'pmdomain-v6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson: - mediatek: Fix spinlock recursion in probe - tegra: Use GENPD_FLAG_NO_STAY_ON to restore old behaviour * tag 'pmdomain-v6.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: pmdomain: tegra: Add GENPD_FLAG_NO_STAY_ON flag pmdomains: mtk-pm-domains: Fix spinlock recursion in probe
2 parents e538109 + c98c99d commit f849f26

2 files changed

Lines changed: 16 additions & 3 deletions

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drivers/pmdomain/mediatek/mtk-pm-domains.c

Lines changed: 15 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -748,6 +748,18 @@ static void scpsys_domain_cleanup(struct scpsys *scpsys)
748748
}
749749
}
750750

751+
static struct device_node *scpsys_get_legacy_regmap(struct device_node *np, const char *pn)
752+
{
753+
struct device_node *local_node;
754+
755+
for_each_child_of_node(np, local_node) {
756+
if (of_property_present(local_node, pn))
757+
return local_node;
758+
}
759+
760+
return NULL;
761+
}
762+
751763
static int scpsys_get_bus_protection_legacy(struct device *dev, struct scpsys *scpsys)
752764
{
753765
const u8 bp_blocks[3] = {
@@ -769,7 +781,7 @@ static int scpsys_get_bus_protection_legacy(struct device *dev, struct scpsys *s
769781
* this makes it then possible to allocate the array of bus_prot
770782
* regmaps and convert all to the new style handling.
771783
*/
772-
node = of_find_node_with_property(np, "mediatek,infracfg");
784+
node = scpsys_get_legacy_regmap(np, "mediatek,infracfg");
773785
if (node) {
774786
regmap[0] = syscon_regmap_lookup_by_phandle(node, "mediatek,infracfg");
775787
of_node_put(node);
@@ -782,7 +794,7 @@ static int scpsys_get_bus_protection_legacy(struct device *dev, struct scpsys *s
782794
regmap[0] = NULL;
783795
}
784796

785-
node = of_find_node_with_property(np, "mediatek,smi");
797+
node = scpsys_get_legacy_regmap(np, "mediatek,smi");
786798
if (node) {
787799
smi_np = of_parse_phandle(node, "mediatek,smi", 0);
788800
of_node_put(node);
@@ -800,7 +812,7 @@ static int scpsys_get_bus_protection_legacy(struct device *dev, struct scpsys *s
800812
regmap[1] = NULL;
801813
}
802814

803-
node = of_find_node_with_property(np, "mediatek,infracfg-nao");
815+
node = scpsys_get_legacy_regmap(np, "mediatek,infracfg-nao");
804816
if (node) {
805817
regmap[2] = syscon_regmap_lookup_by_phandle(node, "mediatek,infracfg-nao");
806818
num_regmaps++;

drivers/pmdomain/tegra/powergate-bpmp.c

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -184,6 +184,7 @@ tegra_powergate_add(struct tegra_bpmp *bpmp,
184184
powergate->genpd.name = kstrdup(info->name, GFP_KERNEL);
185185
powergate->genpd.power_on = tegra_powergate_power_on;
186186
powergate->genpd.power_off = tegra_powergate_power_off;
187+
powergate->genpd.flags = GENPD_FLAG_NO_STAY_ON;
187188

188189
err = pm_genpd_init(&powergate->genpd, NULL, off);
189190
if (err < 0) {

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