On Tue, Jan 02, 2018 at 02:59:57PM +0530, Guneshwor Singh wrote:
> From: Pardha Saradhi K <pardha.saradhi.kesapragada@xxxxxxxxx>
>
> 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>
> ---
> sound/soc/intel/skylake/skl-messages.c | 4 ++++
> sound/soc/intel/skylake/skl-pcm.c | 4 ++++
> 2 files changed, 8 insertions(+)
>
> diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
> index 81ee1118ed71..8cbf080c38b3 100644
> --- a/sound/soc/intel/skylake/skl-messages.c
> +++ b/sound/soc/intel/skylake/skl-messages.c
> @@ -417,7 +417,11 @@ 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;
>
> diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
> index 8d0895b409b5..e46828533826 100644
> --- 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 snd_soc_platform *platform)
> 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;
> --
> 2.15.1
>
--
~Vinod
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