[PATCH 1/8] ASoC: SOF: Intel: add module namespace for legacy IPC

[Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>]

The legacy IPC routines are only used by broadwell and baytrail
modules, import them as needed and make sure other modules cannot load
them.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/intel/bdw.c       | 1 +
 sound/soc/sof/intel/byt.c       | 1 +
 sound/soc/sof/intel/intel-ipc.c | 8 ++++----
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sof/intel/bdw.c b/sound/soc/sof/intel/bdw.c
index c09885c0eb7d..39d1c8c7cddf 100644
--- a/sound/soc/sof/intel/bdw.c
+++ b/sound/soc/sof/intel/bdw.c
@@ -642,3 +642,4 @@ const struct sof_intel_dsp_desc bdw_chip_info = {
 EXPORT_SYMBOL(bdw_chip_info);
 
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index d43098a962c0..b214b12fdcda 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -877,3 +877,4 @@ EXPORT_SYMBOL(cht_chip_info);
 #endif /* CONFIG_SND_SOC_SOF_BAYTRAIL */
 
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
diff --git a/sound/soc/sof/intel/intel-ipc.c b/sound/soc/sof/intel/intel-ipc.c
index 4edd92151fd5..e935f70d611b 100644
--- a/sound/soc/sof/intel/intel-ipc.c
+++ b/sound/soc/sof/intel/intel-ipc.c
@@ -39,7 +39,7 @@ void intel_ipc_msg_data(struct snd_sof_dev *sdev,
 			sof_mailbox_read(sdev, stream->posn_offset, p, sz);
 	}
 }
-EXPORT_SYMBOL(intel_ipc_msg_data);
+EXPORT_SYMBOL_NS(intel_ipc_msg_data, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
 
 int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
 			 struct snd_pcm_substream *substream,
@@ -60,7 +60,7 @@ int intel_ipc_pcm_params(struct snd_sof_dev *sdev,
 
 	return 0;
 }
-EXPORT_SYMBOL(intel_ipc_pcm_params);
+EXPORT_SYMBOL_NS(intel_ipc_pcm_params, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
 
 int intel_pcm_open(struct snd_sof_dev *sdev,
 		   struct snd_pcm_substream *substream)
@@ -75,7 +75,7 @@ int intel_pcm_open(struct snd_sof_dev *sdev,
 
 	return 0;
 }
-EXPORT_SYMBOL(intel_pcm_open);
+EXPORT_SYMBOL_NS(intel_pcm_open, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
 
 int intel_pcm_close(struct snd_sof_dev *sdev,
 		    struct snd_pcm_substream *substream)
@@ -87,6 +87,6 @@ int intel_pcm_close(struct snd_sof_dev *sdev,
 
 	return 0;
 }
-EXPORT_SYMBOL(intel_pcm_close);
+EXPORT_SYMBOL_NS(intel_pcm_close, SND_SOC_SOF_INTEL_HIFI_EP_IPC);
 
 MODULE_LICENSE("Dual BSD/GPL");
-- 
2.20.1

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