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authorKevin Hilman <khilman@linaro.org>2013-08-14 08:14:50 -0700
committerKevin Hilman <khilman@linaro.org>2013-08-14 08:14:50 -0700
commit080e3da4f4bf693ec59bd98eae3ee5bd5b1dd047 (patch)
tree2a367e97dcffe9ced54ff71b03ab893a3248fdb4 /drivers/acpi/scan.c
parente91f24ae027a583f2faff84456fa2630144bfed8 (diff)
parent39c41df9c1950fba0ee6a4e7a63be281e89fe437 (diff)
Merge branch 'zynq/dt' into next/dt
* zynq/dt: (1054 commits) arm: zynq: dt: Set correct L2 ram latencies + v3.11-rc5 Conflicts: arch/arm/Makefile
Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r--drivers/acpi/scan.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 10985573aaa7..8a46c924effd 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;