diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-08-15 10:00:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-08-15 10:00:09 +0200 |
| commit | c9572f010d369d9905309f63e31180f291b66a8a (patch) | |
| tree | fbca2a0576c4223790e23a3c1d5f50e2bdf64e10 /drivers/acpi/scan.c | |
| parent | 58cea307432e3376293e6b2be88d1f6e6e99274a (diff) | |
| parent | d4e4ab86bcba5a72779c43dc1459f71fea3d89c8 (diff) | |
Merge tag 'v3.11-rc5' into perf/core
Merge Linux 3.11-rc5, to sync up with the latest upstream fixes since -rc1.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 10985573aaa..8a46c924eff 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -352,10 +352,12 @@ static void acpi_scan_bus_device_check(acpi_handle handle, u32 ost_source) mutex_lock(&acpi_scan_lock); lock_device_hotplug(); - acpi_bus_get_device(handle, &device); - if (device) { - dev_warn(&device->dev, "Attempt to re-insert\n"); - goto out; + if (ost_source != ACPI_NOTIFY_BUS_CHECK) { + acpi_bus_get_device(handle, &device); + if (device) { + dev_warn(&device->dev, "Attempt to re-insert\n"); + goto out; + } } acpi_evaluate_hotplug_ost(handle, ost_source, ACPI_OST_SC_INSERT_IN_PROGRESS, NULL); @@ -1981,6 +1983,9 @@ static acpi_status acpi_bus_device_attach(acpi_handle handle, u32 lvl_not_used, if (acpi_bus_get_device(handle, &device)) return AE_CTRL_DEPTH; + if (device->handler) + return AE_OK; + ret = acpi_scan_attach_handler(device); if (ret) return ret > 0 ? AE_OK : AE_CTRL_DEPTH; |