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| author | Linus Walleij <linus.walleij@linaro.org> | 2013-08-29 09:46:30 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-08-29 09:46:30 +0200 |
| commit | 6ad30ce046aefbdc3848232c665a728860d7bb68 (patch) | |
| tree | 34af8fc78b28281fcfe531a26401b440c078038e /drivers/acpi/proc.c | |
| parent | pinctrl: rockchip: Implement .request() and .free() callbacks (diff) | |
| parent | Linux 3.11-rc7 (diff) | |
| download | linux-6ad30ce046aefbdc3848232c665a728860d7bb68.tar.xz linux-6ad30ce046aefbdc3848232c665a728860d7bb68.zip | |
Merge tag 'v3.11-rc7' into devel
Merged in this to avoid conflicts with the big locking fixes
from upstream.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Conflicts:
drivers/pinctrl/pinctrl-sunxi.c
Diffstat (limited to 'drivers/acpi/proc.c')
| -rw-r--r-- | drivers/acpi/proc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index aa1227a7e3f2..04a13784dd20 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -311,6 +311,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) dev->pnp.bus_id, (u32) dev->wakeup.sleep_state); + mutex_lock(&dev->physical_node_lock); + if (!dev->physical_node_count) { seq_printf(seq, "%c%-8s\n", dev->wakeup.flags.run_wake ? '*' : ' ', @@ -338,6 +340,8 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset) put_device(ldev); } } + + mutex_unlock(&dev->physical_node_lock); } mutex_unlock(&acpi_device_lock); return 0; @@ -347,12 +351,16 @@ static void physical_device_enable_wakeup(struct acpi_device *adev) { struct acpi_device_physical_node *entry; + mutex_lock(&adev->physical_node_lock); + list_for_each_entry(entry, &adev->physical_node_list, node) if (entry->dev && device_can_wakeup(entry->dev)) { bool enable = !device_may_wakeup(entry->dev); device_set_wakeup_enable(entry->dev, enable); } + + mutex_unlock(&adev->physical_node_lock); } static ssize_t |