This is a note to let you know that I've just added the patch titled ASoC: Intel: Skylake: Disable clock gating during firmware and library download to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: asoc-intel-skylake-disable-clock-gating-during-firmware-and-library-download.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Mon Apr 9 13:58:16 CEST 2018 From: Pardha Saradhi K <pardha.saradhi.kesapragada@xxxxxxxxx> Date: Tue, 2 Jan 2018 14:59:57 +0530 Subject: ASoC: Intel: Skylake: Disable clock gating during firmware and library download From: Pardha Saradhi K <pardha.saradhi.kesapragada@xxxxxxxxx> [ Upstream commit d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 ] During firmware and library download, sometimes it is observed that firmware and library download is timed-out resulting into probe failure. This patch disables dynamic clock gating while firmware and library download. Signed-off-by: Pardha Saradhi K <pardha.saradhi.kesapragada@xxxxxxxxx> Signed-off-by: Sanyog Kale <sanyog.r.kale@xxxxxxxxx> Signed-off-by: Guneshwor Singh <guneshwor.o.singh@xxxxxxxxx> Acked-By: Vinod Koul <vinod.koul@xxxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/soc/intel/skylake/skl-messages.c | 4 ++++ sound/soc/intel/skylake/skl-pcm.c | 4 ++++ 2 files changed, 8 insertions(+) --- a/sound/soc/intel/skylake/skl-messages.c +++ b/sound/soc/intel/skylake/skl-messages.c @@ -404,7 +404,11 @@ int skl_resume_dsp(struct skl *skl) if (skl->skl_sst->is_first_boot == true) return 0; + /* disable dynamic clock gating during fw and lib download */ + ctx->enable_miscbdcge(ctx->dev, false); + ret = skl_dsp_wake(ctx->dsp); + ctx->enable_miscbdcge(ctx->dev, true); if (ret < 0) return ret; --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -1332,7 +1332,11 @@ static int skl_platform_soc_probe(struct return -EIO; } + /* disable dynamic clock gating during fw and lib download */ + skl->skl_sst->enable_miscbdcge(platform->dev, false); + ret = ops->init_fw(platform->dev, skl->skl_sst); + skl->skl_sst->enable_miscbdcge(platform->dev, true); if (ret < 0) { dev_err(platform->dev, "Failed to boot first fw: %d\n", ret); return ret; Patches currently in stable-queue which might be from pardha.saradhi.kesapragada@xxxxxxxxx are queue-4.14/asoc-intel-skylake-disable-clock-gating-during-firmware-and-library-download.patch