Patch "ASoC: SOF: amd: Add pci revision id check" has been added to the 6.4-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    ASoC: SOF: amd: Add pci revision id check

to the 6.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     asoc-sof-amd-add-pci-revision-id-check.patch
and it can be found in the queue-6.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 9cea958ac5e696b4aaf340fdd14f86434d4c80d0
Author: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
Date:   Tue May 23 12:50:01 2023 +0530

    ASoC: SOF: amd: Add pci revision id check
    
    [ Upstream commit 1d4a84632b90d88316986b05bcdfe715399a33db ]
    
    Add pci revision id check for renoir and rembrandt platforms.
    
    Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
    Link: https://lore.kernel.org/r/20230523072009.2379198-1-venkataprasad.potturu@xxxxxxx
    Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/sound/soc/sof/amd/acp.h b/sound/soc/sof/amd/acp.h
index 1c535cc6c3a95..dc624f727aa37 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 eaf70ea6e556e..58b3092425f1a 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 4809cb644152b..7409e21ce5aa7 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;