On Fri, Jul 26, 2019 at 08:25:35PM +0200, Guennadi Liakhovetski wrote: > On Fri, Jul 26, 2019 at 01:08:57PM -0500, Pierre-Louis Bossart wrote: > > On 7/25/19 6:40 PM, Pierre-Louis Bossart wrote: > > > Not all platforms support runtime_pm for now, let's use runtime_pm > > > only when enabled. > > option2 (suggested by Jan Kotas): catch the -EACCESS error code > > > > ret = pm_runtime_get_sync(slave->bus->dev); > > - if (ret < 0) > > + if (ret < 0 && ret != -EACCES) > > return ret; > Otherwise I'd go with (2), I think, since > that's also the official purpose of the -EACCESS return code: > > https://lists.linuxfoundation.org/pipermail/linux-pm/2011-June/031930.html And at least we have examples in the kernel drivers/gpu/drm/radeon/radeon_fb.c:57: if (ret < 0 && ret != -EACCES) { -- With Best Regards, Andy Shevchenko _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
