diff options
| author | 2018-08-06 12:45:42 +0200 | |
|---|---|---|
| committer | 2018-08-06 12:45:42 +0200 | |
| commit | 9e90c7985229430428dc9ba0ec7fe422901b456d (patch) | |
| tree | cae2072feba8cc433a32d96568bbcf36070bd6e5 /drivers/base/core.c | |
| parent | genirq/irqchip: Remove MULTI_IRQ_HANDLER as it's now obselete (diff) | |
| parent | irqchip/gic-v3-its: Make its_lock a raw_spin_lock_t (diff) | |
| download | wireguard-linux-9e90c7985229430428dc9ba0ec7fe422901b456d.tar.xz wireguard-linux-9e90c7985229430428dc9ba0ec7fe422901b456d.zip | |
Merge tag 'irqchip-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
- GICv3 ITS LPI allocation revamp
- GICv3 support for hypervisor-enforced LPI range
- GICv3 ITS conversion to raw spinlock
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 36622b52e419..df3e1a44707a 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -236,6 +236,13 @@ struct device_link *device_link_add(struct device *consumer, link->rpm_active = true; } pm_runtime_new_link(consumer); + /* + * If the link is being added by the consumer driver at probe + * time, balance the decrementation of the supplier's runtime PM + * usage counter after consumer probe in driver_probe_device(). + */ + if (consumer->links.status == DL_DEV_PROBING) + pm_runtime_get_noresume(supplier); } get_device(supplier); link->supplier = supplier; @@ -255,12 +262,12 @@ struct device_link *device_link_add(struct device *consumer, switch (consumer->links.status) { case DL_DEV_PROBING: /* - * Balance the decrementation of the supplier's - * runtime PM usage counter after consumer probe - * in driver_probe_device(). + * Some callers expect the link creation during + * consumer driver probe to resume the supplier + * even without DL_FLAG_RPM_ACTIVE. */ if (flags & DL_FLAG_PM_RUNTIME) - pm_runtime_get_sync(supplier); + pm_runtime_resume(supplier); link->status = DL_STATE_CONSUMER_PROBE; break; |
