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[05/11] ASoC: Intel: Skylake: Don't unload module when in use

Message ID 1490275926-2270-6-git-send-email-jeeja.kp@intel.com (mailing list archive)
State Accepted
Commit f7ea77772dfaa404ac0bcdea5c262c24e8b860db
Headers show

Commit Message

Jeeja KP March 23, 2017, 1:32 p.m. UTC 
From: Vinod Koul <vinod.koul@intel.com>

A module may have multiple instances in DSP, so unload only when usage
count is zero.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
---
 sound/soc/intel/skylake/skl-sst.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
index 39d4aaa..5395297 100644
--- a/sound/soc/intel/skylake/skl-sst.c
+++ b/sound/soc/intel/skylake/skl-sst.c
@@ -417,6 +417,11 @@  static int skl_unload_module(struct sst_dsp *ctx, u16 mod_id)
 		dev_err(ctx->dev, "Module bad usage cnt!:%d\n", usage_cnt);
 		return -EIO;
 	}
+
+	/* if module is used by others return, no need to unload */
+	if (usage_cnt > 0)
+		return 0;
+
 	ret = skl_ipc_unload_modules(&skl->ipc,
 			SKL_NUM_MODULES, &mod_id);
 	if (ret < 0) {