Hi,
On 09/20/2018 06:31 AM, Alexandre Courbot wrote:
> On Thu, Sep 20, 2018 at 2:55 AM Vikash Garodia <vgarodia@xxxxxxxxxxxxxx> wrote:
>>
>> On 2018-09-19 20:30, Stanimir Varbanov wrote:
>>> Hi Alex,
>>>
>>> On 09/19/2018 10:32 AM, Alexandre Courbot wrote:
>>>> On Wed, Sep 19, 2018 at 8:43 AM Vikash Garodia
>>>> <vgarodia@xxxxxxxxxxxxxx> wrote:
>>>>>
>>>>> Add routine to reset the ARM9 and brings it out of reset. Also
>>>>> abstract the Venus CPU state handling with a new function. This
>>>>> is in preparation to add PIL functionality in venus driver.
>>>>>
>>>>> Signed-off-by: Vikash Garodia <vgarodia@xxxxxxxxxxxxxx>
>>>>> ---
>>>>> drivers/media/platform/qcom/venus/core.h | 2 ++
>>>>> drivers/media/platform/qcom/venus/firmware.c | 33
>>>>> ++++++++++++++++++++++++
>>>>> drivers/media/platform/qcom/venus/firmware.h | 11 ++++++++
>>>>> drivers/media/platform/qcom/venus/hfi_venus.c | 13 +++-------
>>>>> drivers/media/platform/qcom/venus/hfi_venus_io.h | 7 +++++
>>>>> 5 files changed, 57 insertions(+), 9 deletions(-)
>>>>>
>>>>> diff --git a/drivers/media/platform/qcom/venus/core.h
>>>>> b/drivers/media/platform/qcom/venus/core.h
>>>>> index 2f02365..dfd5c10 100644
>>>>> --- a/drivers/media/platform/qcom/venus/core.h
>>>>> +++ b/drivers/media/platform/qcom/venus/core.h
>>>>> @@ -98,6 +98,7 @@ struct venus_caps {
>>>>> * @dev: convenience struct device pointer
>>>>> * @dev_dec: convenience struct device pointer for decoder device
>>>>> * @dev_enc: convenience struct device pointer for encoder device
>>>>> + * @no_tz: a flag that suggests presence of trustzone
>>>>
>>>> Looks like it suggests the absence of trustzone?
>>>>
>>>> Actually I would rename it as use_tz and set it if TrustZone is used.
>>>> This would avoid double-negative statements like what we see below.
>>>
>>> I find this suggestion reasonable.
>>
>> Initially i planned to keep it as a positive flag. The reason behind
>> keeping it
>> as no_tz was to keep the default value of this flag to 0 indicating tz
>> is present
>> by default.
>> I can switch it to use_tz though and set it in firmware_init after the
>> presence of
>> firmware node is checked.
>
> Making sure the flag is explicitly initialized instead of relying on
> default initialization is another good reason to have that change
> IMHO. :)
Vikash, care to send a new version, or will fix that with follow up patches?
--
regards,
Stan
