4 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index 749e856dc601..8a0fc635a997 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -130,6 +130,13 @@ static void acp_dsp_ipc_get_reply(struct snd_sof_dev *sdev)
 		memcpy(msg->reply_data, &reply, sizeof(reply));
 		ret = reply.error;
 	} else {
+		/*
+		 * To support an IPC tx_message with a
+		 * reply_size set to zero.
+		 */
+		if (!msg->reply_size)
+			goto out;
+
 		/* reply correct size ? */
 		if (reply.hdr.size != msg->reply_size &&
 		    !(reply.hdr.cmd & SOF_IPC_GLB_PROBE)) {
diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 1c535cc6c3a9..dc624f727aa3 100644
--- a/sound/soc/sof/amd/acp.h
+++ b/sound/soc/sof/amd/acp.h
@@ -55,6 +55,9 @@
 
 #define ACP_DSP_TO_HOST_IRQ			0x04
 
+#define ACP_RN_PCI_ID				0x01
+#define ACP_RMB_PCI_ID				0x6F
+
 #define HOST_BRIDGE_CZN				0x1630
 #define HOST_BRIDGE_RMB				0x14B5
 #define ACP_SHA_STAT				0x8000
diff --git a/sound/soc/sof/amd/pci-rmb.c b/sound/soc/sof/amd/pci-rmb.c
index eaf70ea6e556..58b3092425f1 100644
--- a/sound/soc/sof/amd/pci-rmb.c
+++ b/sound/soc/sof/amd/pci-rmb.c
@@ -65,6 +65,9 @@ static int acp_pci_rmb_probe(struct pci_dev *pci, const struct pci_device_id *pc
 {
 	unsigned int flag;
 
+	if (pci->revision != ACP_RMB_PCI_ID)
+		return -ENODEV;
+
 	flag = snd_amd_acp_find_config(pci);
 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 		return -ENODEV;
diff --git a/sound/soc/sof/amd/pci-rn.c b/sound/soc/sof/amd/pci-rn.c
index 4809cb644152..7409e21ce5aa 100644
--- a/sound/soc/sof/amd/pci-rn.c
+++ b/sound/soc/sof/amd/pci-rn.c
@@ -65,6 +65,9 @@ static int acp_pci_rn_probe(struct pci_dev *pci, const struct pci_device_id *pci
 {
 	unsigned int flag;
 
+	if (pci->revision != ACP_RN_PCI_ID)
+		return -ENODEV;
+
 	flag = snd_amd_acp_find_config(pci);
 	if (flag != FLAG_AMD_SOF && flag != FLAG_AMD_SOF_ONLY_DMIC)
 		return -ENODEV;