diff options
| author | Cezary Rojewski <cezary.rojewski@intel.com> | 2020-03-05 15:53:13 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-03-10 17:44:28 +0000 |
| commit | 024aa45f55ccd40704cfdef61b2a8b6d0de9cdd1 (patch) | |
| tree | fbf08b9aea1e7e0be19d0acd68a085349e377b5f /sound/soc/intel/skylake/cnl-sst.c | |
| parent | 9e6c382f5a6161eb55115fb56614b9827f2e7da3 (diff) | |
ASoC: Intel: Allow for ROM init retry on CNL platforms
Due to unconditional initial timeouts, firmware may fail to load during
its initialization. This issue cannot be resolved on driver side as it
is caused by external sources such as CSME but has to be accounted for
nonetheless.
Fixes: cb6a55284629 ("ASoC: Intel: cnl: Add sst library functions for cnl platform")
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200305145314.32579-7-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake/cnl-sst.c')
| -rw-r--r-- | sound/soc/intel/skylake/cnl-sst.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/soc/intel/skylake/cnl-sst.c b/sound/soc/intel/skylake/cnl-sst.c index 4f64f097e9ae..060e47ae3391 100644 --- a/sound/soc/intel/skylake/cnl-sst.c +++ b/sound/soc/intel/skylake/cnl-sst.c @@ -109,7 +109,7 @@ static int cnl_load_base_firmware(struct sst_dsp *ctx) { struct firmware stripped_fw; struct skl_dev *cnl = ctx->thread_context; - int ret; + int ret, i; if (!ctx->fw) { ret = request_firmware(&ctx->fw, ctx->fw_name, ctx->dev); @@ -131,12 +131,16 @@ static int cnl_load_base_firmware(struct sst_dsp *ctx) stripped_fw.size = ctx->fw->size; skl_dsp_strip_extended_manifest(&stripped_fw); - ret = cnl_prepare_fw(ctx, stripped_fw.data, stripped_fw.size); - if (ret < 0) { - dev_err(ctx->dev, "prepare firmware failed: %d\n", ret); - goto cnl_load_base_firmware_failed; + for (i = 0; i < BXT_FW_ROM_INIT_RETRY; i++) { + ret = cnl_prepare_fw(ctx, stripped_fw.data, stripped_fw.size); + if (!ret) + break; + dev_dbg(ctx->dev, "prepare firmware failed: %d\n", ret); } + if (ret < 0) + goto cnl_load_base_firmware_failed; + ret = sst_transfer_fw_host_dma(ctx); if (ret < 0) { dev_err(ctx->dev, "transfer firmware failed: %d\n", ret); @@ -158,6 +162,7 @@ static int cnl_load_base_firmware(struct sst_dsp *ctx) return 0; cnl_load_base_firmware_failed: + dev_err(ctx->dev, "firmware load failed: %d\n", ret); release_firmware(ctx->fw); ctx->fw = NULL; |