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ASoC: amd: ps: add mutex lock for accessing common registers
Add mutex lock for accessing ACP common registers across different modules. Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com> Link: https://lore.kernel.org/r/20230104055435.321327-1-Vijendar.Mukunda@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -106,6 +106,7 @@ struct acp63_dev_data {
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struct resource *res;
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bool acp63_audio_mode;
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struct platform_device *pdev[ACP63_DEVS];
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struct mutex acp_lock; /* protect shared registers */
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u16 pdev_mask;
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u16 pdev_count;
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u16 pdm_dev_index;
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@ -209,7 +209,8 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data
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case ACP63_PDM_DEV_MASK:
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adata->pdm_dev_index = 0;
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acp63_fill_platform_dev_info(&pdevinfo[0], parent, NULL, "acp_ps_pdm_dma",
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0, adata->res, 1, NULL, 0);
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0, adata->res, 1, &adata->acp_lock,
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sizeof(adata->acp_lock));
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acp63_fill_platform_dev_info(&pdevinfo[1], parent, NULL, "dmic-codec",
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0, NULL, 0, NULL, 0);
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acp63_fill_platform_dev_info(&pdevinfo[2], parent, NULL, "acp_ps_mach",
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@ -283,6 +284,7 @@ static int snd_acp63_probe(struct pci_dev *pci,
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}
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pci_set_master(pci);
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pci_set_drvdata(pci, adata);
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mutex_init(&adata->acp_lock);
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ret = acp63_init(adata->acp63_base, &pci->dev);
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if (ret)
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goto release_regions;
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