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* driver core: test_async: fix up typo found by 0-dayGreg Kroah-Hartman2016-11-291-1/+1
| | | | | | | | | | | | 0-day pointed out a typo in the platform device registration logic, so fix it. Reported-by: kbuild test robot <fengguang.wu@intel.com> Cc: Guenter Roeck <groeck@chromium.org> Cc: Dmitry Torokhov <dtor@chromium.org> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Thierry Escande <thierry.escande@collabora.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* driver-core: fix platform_no_drv_owner.cocci warningsJulia Lawall2016-11-291-2/+0
| | | | | | | | | | | Remove .owner field initialization as the core will do it. Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci CC: Dmitry Torokhov <dtor@chromium.org> Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* driver-core: add test module for asynchronous probingDmitry Torokhov2016-11-103-0/+181
This test module tries to test asynchronous driver probing by having a driver that sleeps for an extended period of time (5 secs) in its probe() method. It measures the time needed to register this driver (with device already registered) and a new device (with driver already registered). The module will fail to load if the time spent in register call is more than half the probing sleep time. As a sanity check the driver will then try to synchronously register driver and device and fail if registration takes less than half of the probing sleep time. Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Reviewed-by: Olof Johansson <olofj@chromium.org> Signed-off-by: Guenter Roeck <groeck@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>