On 6/18/2019 8:42 PM, Srinivas Kandagatla wrote:
>
>
> On 18/06/2019 15:56, Sricharan R wrote:
>> So MAX_DESCRIPTORS is used in driver for masking head/tail pointers.
>> That's why we have to pass MAX_DESCRIPTORS + 1 so that it works
>> when the Macros does a size - 1
> Isn't that incorrect to do that, pretending to have more descriptors than we
> actually have?
>
The Macro's expect that buffer size is power of 2. So we are infact passing
the actual correct
size ( MAX_DESCRIPTORS + 1 = 4096)
Regards,
Sricharan
--
"QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of
Code Aurora Forum, hosted by The Linux Foundation