[RFC 3/3] ath10k: add support for HTT 3.0

Kalle Valo kvalo at qca.qualcomm.com
Thu Aug 8 05:22:01 EDT 2013

Michal Kazior <michal.kazior at tieto.com> writes:

> On 8 August 2013 11:05, Kalle Valo <kvalo at qca.qualcomm.com> wrote:

>> This debug print is good to have, but with the new htt version it would
>> be good to print it always using the info level. For example, can we add
>> it to the same line with "firmware %s booted" string?
> HTT target version is not known when firmware boots up. It's not known
> until everything other (HTC, WMI) is set up. We then send a version
> request command and we get a response.

Oh, missed that.

> We need to print it in a separate line.

Or could we print the "firmware booted" message later?

>> (Please take into account that the info messages still need to be
>> compact, by default they should not be longer than five lines or so.)
>>> +     if (htt->target_version_major != 2 &&
>>> +         htt->target_version_major != 3) {
>>>               ath10k_err("htt major versions are incompatible!\n");
>>>               return -ENOTSUPP;
>>>       }
>> Print the htt version in the error message as well?
> Target version is printed in ath10k_dbg() now. If we change that to
> ath10k_info() I don't see any reason to print the version again on
> error.

Frequently users just copy the error message, that's why it's better to
have the firmware's htt version in the error message as well.

> We may want to print the list of supported HTT major version numbers
> though?

That's good to have as well, at least in the debug messages.

Kalle Valo

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