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authorLinus Torvalds <torvalds@linux-foundation.org>2024-12-06 11:24:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2024-12-06 11:24:00 -0800
commitfa4c221fa153211d80acaf54fe5e5b1859c99796 (patch)
tree24cc2b46e0e39d284ac3ff3450022de89f4084a2
parentb8f52214c61a5b99a54168145378e91b40d10c90 (diff)
parent2379fb937de5333991c567eefd7d11b98977d059 (diff)
downloadlwn-fa4c221fa153211d80acaf54fe5e5b1859c99796.tar.gz
lwn-fa4c221fa153211d80acaf54fe5e5b1859c99796.zip
Merge tag 'pmdomain-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson: "Core: - Fix a couple of memory-leaks during genpd init/remove Providers: - imx: Adjust delay for gpcv2 to fix power up handshake - mediatek: Fix DT bindings by adding another nested power-domain layer" * tag 'pmdomain-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: pmdomain: imx: gpcv2: Adjust delay after power up handshake pmdomain: core: Fix error path in pm_genpd_init() when ida alloc fails pmdomain: core: Add missing put_device() dt-bindings: power: mediatek: Add another nested power-domain layer
-rw-r--r--Documentation/devicetree/bindings/power/mediatek,power-controller.yaml4
-rw-r--r--drivers/pmdomain/core.c37
-rw-r--r--drivers/pmdomain/imx/gpcv2.c2
3 files changed, 25 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
index 6d37c06b2f65..591a080ca3ff 100644
--- a/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
+++ b/Documentation/devicetree/bindings/power/mediatek,power-controller.yaml
@@ -55,6 +55,10 @@ patternProperties:
patternProperties:
"^power-domain@[0-9a-f]+$":
$ref: "#/$defs/power-domain-node"
+ patternProperties:
+ "^power-domain@[0-9a-f]+$":
+ $ref: "#/$defs/power-domain-node"
+ unevaluatedProperties: false
unevaluatedProperties: false
unevaluatedProperties: false
unevaluatedProperties: false
diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c
index a6c8b85dd024..bb11f467dc78 100644
--- a/drivers/pmdomain/core.c
+++ b/drivers/pmdomain/core.c
@@ -2172,8 +2172,24 @@ static int genpd_alloc_data(struct generic_pm_domain *genpd)
}
genpd->gd = gd;
- return 0;
+ device_initialize(&genpd->dev);
+
+ if (!genpd_is_dev_name_fw(genpd)) {
+ dev_set_name(&genpd->dev, "%s", genpd->name);
+ } else {
+ ret = ida_alloc(&genpd_ida, GFP_KERNEL);
+ if (ret < 0)
+ goto put;
+ genpd->device_id = ret;
+ dev_set_name(&genpd->dev, "%s_%u", genpd->name, genpd->device_id);
+ }
+
+ return 0;
+put:
+ put_device(&genpd->dev);
+ if (genpd->free_states == genpd_free_default_power_state)
+ kfree(genpd->states);
free:
if (genpd_is_cpu_domain(genpd))
free_cpumask_var(genpd->cpus);
@@ -2183,6 +2199,9 @@ free:
static void genpd_free_data(struct generic_pm_domain *genpd)
{
+ put_device(&genpd->dev);
+ if (genpd->device_id != -ENXIO)
+ ida_free(&genpd_ida, genpd->device_id);
if (genpd_is_cpu_domain(genpd))
free_cpumask_var(genpd->cpus);
if (genpd->free_states)
@@ -2271,20 +2290,6 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
if (ret)
return ret;
- device_initialize(&genpd->dev);
-
- if (!genpd_is_dev_name_fw(genpd)) {
- dev_set_name(&genpd->dev, "%s", genpd->name);
- } else {
- ret = ida_alloc(&genpd_ida, GFP_KERNEL);
- if (ret < 0) {
- put_device(&genpd->dev);
- return ret;
- }
- genpd->device_id = ret;
- dev_set_name(&genpd->dev, "%s_%u", genpd->name, genpd->device_id);
- }
-
mutex_lock(&gpd_list_lock);
list_add(&genpd->gpd_list_node, &gpd_list);
mutex_unlock(&gpd_list_lock);
@@ -2325,8 +2330,6 @@ static int genpd_remove(struct generic_pm_domain *genpd)
genpd_unlock(genpd);
genpd_debug_remove(genpd);
cancel_work_sync(&genpd->power_off_work);
- if (genpd->device_id != -ENXIO)
- ida_free(&genpd_ida, genpd->device_id);
genpd_free_data(genpd);
pr_debug("%s: removed %s\n", __func__, dev_name(&genpd->dev));
diff --git a/drivers/pmdomain/imx/gpcv2.c b/drivers/pmdomain/imx/gpcv2.c
index 165e6b163d58..e67ecf99ef84 100644
--- a/drivers/pmdomain/imx/gpcv2.c
+++ b/drivers/pmdomain/imx/gpcv2.c
@@ -403,7 +403,7 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd)
* already reaches target before udelay()
*/
regmap_read_bypassed(domain->regmap, domain->regs->hsk, &reg_val);
- udelay(5);
+ udelay(10);
}
/* Disable reset clocks for all devices in the domain */