[lkml]   [2020]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 7/9] soundwire: intel/cadence: merge Soundwire interrupt handlers/threads
On 30-06-20, 11:46, Pierre-Louis Bossart wrote:

> > Is this called from irq context or irq thread or something else?
> from IRQ thread, hence the name, see pointers above.
> The key part is that we could only make the hardware work as intended by
> using a single thread for all interrupt sources, and that patch is just the
> generalization of what was implemented for HDaudio in mid-2019 after months
> of lost interrupts and IPC errors. See below the code from
> sound/soc/sof/intel/hda.c for interrupt handling.

Sounds good. Now that you are already in irq thread, does it make sense
to spawn a worker thread for this and handle it there? Why not do in the
irq thread itself. Using a thread kind of defeats the whole point behind
concept of irq threads


 \ /
  Last update: 2020-07-01 07:42    [W:0.054 / U:38.444 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site