diff options
Diffstat (limited to 'drivers/staging/intel_sst/intel_sst_drv_interface.c')
-rw-r--r-- | drivers/staging/intel_sst/intel_sst_drv_interface.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/staging/intel_sst/intel_sst_drv_interface.c b/drivers/staging/intel_sst/intel_sst_drv_interface.c index 1021477..69daa14 100644 --- a/drivers/staging/intel_sst/intel_sst_drv_interface.c +++ b/drivers/staging/intel_sst/intel_sst_drv_interface.c @@ -53,6 +53,13 @@ int sst_download_fw(void) if (sst_drv_ctx->sst_state != SST_UN_INIT) return -EPERM; + /* Reload firmware is not needed for MRST */ + if ( (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) && sst_drv_ctx->fw_downloaded) { + pr_debug("FW already downloaded, skip for MRST platform\n"); + sst_drv_ctx->sst_state = SST_FW_RUNNING; + return 0; + } + snprintf(name, sizeof(name), "%s%04x%s", "fw_sst_", sst_drv_ctx->pci_id, ".bin"); @@ -71,6 +78,9 @@ int sst_download_fw(void) retval = sst_wait_timeout(sst_drv_ctx, &sst_drv_ctx->alloc_block[0]); if (retval) pr_err("fw download failed %d\n" , retval); + else + sst_drv_ctx->fw_downloaded = 1; + end_restore: release_firmware(fw_sst); sst_drv_ctx->alloc_block[0].sst_id = BLOCK_UNINIT; |