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author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-12-06 20:24:00 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-12-06 20:24:00 +0100 |
commit | fa4c221fa153211d80acaf54fe5e5b1859c99796 (patch) | |
tree | 24cc2b46e0e39d284ac3ff3450022de89f4084a2 /drivers/pmdomain | |
parent | Merge tag 'audit-pr-20241205' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
parent | pmdomain: imx: gpcv2: Adjust delay after power up handshake (diff) | |
download | linux-fa4c221fa153211d80acaf54fe5e5b1859c99796.tar.xz linux-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
Diffstat (limited to 'drivers/pmdomain')
-rw-r--r-- | drivers/pmdomain/core.c | 37 | ||||
-rw-r--r-- | drivers/pmdomain/imx/gpcv2.c | 2 |
2 files changed, 21 insertions, 18 deletions
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, ®_val); - udelay(5); + udelay(10); } /* Disable reset clocks for all devices in the domain */ |