On 21-05-20, 02:23, Liao, Bard wrote: > > -----Original Message----- > > From: Vinod Koul <vk...@kernel.org> > > Sent: Wednesday, May 20, 2020 9:54 PM > > To: Bard Liao <yung-chuan.l...@linux.intel.com> > > Cc: alsa-de...@alsa-project.org; linux-kernel@vger.kernel.org; > > ti...@suse.de; > > broo...@kernel.org; gre...@linuxfoundation.org; j...@cadence.com; > > srinivas.kandaga...@linaro.org; rander.w...@linux.intel.com; > > ranjani.sridha...@linux.intel.com; hui.w...@canonical.com; pierre- > > louis.boss...@linux.intel.com; Kale, Sanyog R <sanyog.r.k...@intel.com>; > > Blauciak, Slawomir <slawomir.blauc...@intel.com>; Lin, Mengdong > > <mengdong....@intel.com>; Liao, Bard <bard.l...@intel.com> > > Subject: Re: [PATCH 2/2] soundwire: intel: transition to 3 steps > > initialization > > > > On 20-05-20, 03:19, Bard Liao wrote: > > > From: Pierre-Louis Bossart <pierre-louis.boss...@linux.intel.com> > > > > > > Rather than a plain-vanilla init/exit, this patch provides 3 steps in > > > the initialization (ACPI scan, probe, startup) which makes it easier to > > > detect platform support for SoundWire, allocate required resources as > > > early as possible, and conversely help make the startup() callback > > > lighter-weight with only hardware register setup. > > > > Okay but can you add details in changelog on what each step would do? > > Sure. Will do. > > > > > > @@ -1134,25 +1142,15 @@ static int intel_probe(struct platform_device > > *pdev) > > > > > > intel_pdi_ch_update(sdw); > > > > > > - /* Acquire IRQ */ > > > - ret = request_threaded_irq(sdw->link_res->irq, > > > - sdw_cdns_irq, sdw_cdns_thread, > > > - IRQF_SHARED, KBUILD_MODNAME, &sdw- > > >cdns); > > > > This is removed here but not added anywhere else, do we have no irq > > after this patch? > > We use a single irq for all Intel Audio DSP events and it will > be requested in the SOF driver.
And how will the irq be propagated to sdw/cdns drivers here? -- ~Vinod