[alsa-devel] [PATCH v2 4/9] ASoC: Intel: Skylake: Fix cleanup of dma buffer

[Vinod Koul]

From: Jeeja KP <jeeja.kp at intel.com>

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 at intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/soc/intel/skylake/skl-sst-cldma.c |  5 +++++
 sound/soc/intel/skylake/skl-sst.c       | 10 +++++-----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/sound/soc/intel/skylake/skl-sst-cldma.c b/sound/soc/intel/skylake/skl-sst-cldma.c
index 44748ba98da2..4ddabe30b62a 100644
--- a/sound/soc/intel/skylake/skl-sst-cldma.c
+++ b/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)
diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
index 0c5039f2bd09..51f07f0e4735 100644
--- a/sound/soc/intel/skylake/skl-sst.c
+++ b/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);
-- 
1.9.1