Re: [PATCH] soundwire: debugfs: use controller id instead of link_id

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 





On 1/19/21 8:52 AM, Vinod Koul wrote:
On 15-01-21, 16:25, Srinivas Kandagatla wrote:
link_id can be zero and if we have multiple controller instances
in a system like Qualcomm debugfs will end-up with duplicate namespace
resulting in incorrect debugfs entries.

Using id should give a unique debugfs directory entry and should fix below
warning too.
"debugfs: Directory 'master-0' with parent 'soundwire' already present!"

Yeah id is guaranteed to be unique so this will work.

Applied, thanks

This patch is a no-op for Intel, but I am not convinced it's the right fix or the definitions are not consistent.

 * @link_id: Link id number, can be 0 to N, unique for each Master
 * @id: bus system-wide unique id

In the MIPI/DisCo definitions, a controller can have multiple masters. if you have multiple controllers, each of them should have their own debugfs directory IMHO. It's totally fine to have multiple bus/masters with a link_id == 0.



[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Pulse Audio]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux