From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Pardha Saradhi K , Sanyog Kale , Guneshwor Singh , Vinod Koul , Mark Brown , Sasha Levin Subject: [PATCH 4.15 034/168] ASoC: Intel: Skylake: Disable clock gating during firmware and library download Date: Wed, 11 Apr 2018 00:22:56 +0200 Message-Id: <20180410212801.648223132@linuxfoundation.org> In-Reply-To: <20180410212800.144079021@linuxfoundation.org> References: <20180410212800.144079021@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pardha Saradhi K [ 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 Signed-off-by: Sanyog Kale Signed-off-by: Guneshwor Singh Acked-By: Vinod Koul Signed-off-by: Mark Brown Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- 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 @@ -1343,7 +1343,11 @@ 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;