ASoC: Intel: Skylake: Fix cleanup of dma buffer

During firmware download, dma buffers are allocated in prepare
and never freed on clean up. This patch frees the allocated dma
buffer in cldma controller clean up.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl-sst-cldma.c

@@ -137,6 +137,11 @@ static void skl_cldma_cleanup(struct sst_dsp  *ctx)
 
 	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_CBL, 0);
 	sst_dsp_shim_write(ctx, SKL_ADSP_REG_CL_SD_LVI, 0);
+
+	if (&ctx->cl_dev.dmab_data)
+		ctx->dsp_ops.free_dma_buf(ctx->dev, &ctx->cl_dev.dmab_data);
+	if (&ctx->cl_dev.dmab_bdl)
+		ctx->dsp_ops.free_dma_buf(ctx->dev, &ctx->cl_dev.dmab_bdl);
 }
 
 static int skl_cldma_wait_interruptible(struct sst_dsp *ctx)

sound/soc/intel/skylake/skl-sst.c

@@ -115,27 +115,28 @@ static int skl_load_base_firmware(struct sst_dsp *ctx)
 		dev_err(ctx->dev,
 			"Timeout waiting for ROM init done, reg:0x%x\n", reg);
 		ret = -EIO;
-		goto skl_load_base_firmware_failed;
+		goto transfer_firmware_failed;
 	}
 
 	ret = skl_transfer_firmware(ctx, ctx->fw->data, ctx->fw->size);
 	if (ret < 0) {
 		dev_err(ctx->dev, "Transfer firmware failed%d\n", ret);
-		goto skl_load_base_firmware_failed;
+		goto transfer_firmware_failed;
 	} else {
 		ret = wait_event_timeout(skl->boot_wait, skl->boot_complete,
 					msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
 		if (ret == 0) {
 			dev_err(ctx->dev, "DSP boot failed, FW Ready timed-out\n");
 			ret = -EIO;
-			goto skl_load_base_firmware_failed;
+			goto transfer_firmware_failed;
 		}
 
 		dev_dbg(ctx->dev, "Download firmware successful%d\n", ret);
 		skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING);
 	}
 	return 0;
-
+transfer_firmware_failed:
+	ctx->cl_dev.ops.cl_cleanup_controller(ctx);
 skl_load_base_firmware_failed:
 	skl_dsp_disable_core(ctx);
 	release_firmware(ctx->fw);
@@ -277,7 +278,6 @@ EXPORT_SYMBOL_GPL(skl_sst_dsp_init);
 void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
 {
 	skl_ipc_free(&ctx->ipc);
-	ctx->dsp->cl_dev.ops.cl_cleanup_controller(ctx->dsp);
 	ctx->dsp->ops->free(ctx->dsp);
 }
 EXPORT_SYMBOL_GPL(skl_sst_dsp_cleanup);