[Intel-gfx] [i-g-t PATCH v2] tests: do snd_hda_intel unbind before unload in module reload test

[Jani Nikula]

On Tue, 01 Nov 2016, "Yang, Libin" <libin.yang at intel.com> wrote:
> Reviewed-by: Libin Yang <libin.yang at intel.com>

Pushed both patches to igt, thanks for the review.

BR,
Jani.


>
> Regards,
> Libin
>
>
>> -----Original Message-----
>> From: Nikula, Jani
>> Sent: Monday, October 31, 2016 7:00 PM
>> To: Nikula, Jani <jani.nikula at intel.com>; intel-gfx at lists.freedesktop.org
>> Cc: Zhang, Keqiao <keqiao.zhang at intel.com>; Yang, Libin
>> <libin.yang at intel.com>
>> Subject: [i-g-t PATCH v2] tests: do snd_hda_intel unbind before unload in
>> module reload test
>> 
>> Try to make sure the snd_hda_intel module is not in use, and can be
>> unloaded.
>> 
>> v2: unbind all cards (Libin)
>> 
>> Cc: Keqiao Zhang <keqiao.zhang at intel.com>
>> Cc: Libin Yang <libin.yang at intel.com>
>> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
>> 
>> ---
>> 
>> Keqiao, Libin, here's the script this patch is against:
>> 
>> https://cgit.freedesktop.org/drm/igt-gpu-
>> tools/tree/tests/drv_module_reload_basic
>> ---
>>  tests/drv_module_reload_basic | 5 +++++
>>  1 file changed, 5 insertions(+)
>> 
>> diff --git a/tests/drv_module_reload_basic b/tests/drv_module_reload_basic
>> index b8cad88133e9..105852a56b46 100755
>> --- a/tests/drv_module_reload_basic
>> +++ b/tests/drv_module_reload_basic
>> @@ -33,6 +33,11 @@ function reload() {
>>  	pkill alsactl
>>  	snd_hda_intel_unloaded=0
>>  	if mod_loaded snd_hda_intel; then
>> +		# unbind sound cards
>> +		for card in $(find /sys/bus/pci/drivers/snd_hda_intel -name
>> "0000:*" -printf "%f\n"); do
>> +			echo $card >
>> /sys/bus/pci/drivers/snd_hda_intel/unbind
>> +		done
>> +
>>  		if rmmod snd_hda_intel; then
>>  			snd_hda_intel_unloaded=1
>>  		else
>> --
>> 2.1.4
>

-- 
Jani Nikula, Intel Open Source Technology Center