const char *platform_name;
        bool sof_parent;
 
-       drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
+       drv = devm_kzalloc(dev, sizeof(*drv), GFP_KERNEL);
        if (!drv)
                return -ENOMEM;
 
        }
 
        /* override platform name, if required */
-       snd_soc_card_cht.dev = &pdev->dev;
-       mach = pdev->dev.platform_data;
+       snd_soc_card_cht.dev = dev;
+       mach = dev->platform_data;
        platform_name = mach->mach_params.platform;
 
        ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
        else
                mclk_name = "pmc_plt_clk_3";
 
-       drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
+       drv->mclk = devm_clk_get(dev, mclk_name);
        if (IS_ERR(drv->mclk)) {
-               dev_err(&pdev->dev,
+               dev_err(dev,
                        "Failed to get MCLK from %s: %ld\n",
                        mclk_name, PTR_ERR(drv->mclk));
                return PTR_ERR(drv->mclk);
        if (drv->quirks & QUIRK_PMC_PLT_CLK_0) {
                ret_val = clk_prepare_enable(drv->mclk);
                if (ret_val < 0) {
-                       dev_err(&pdev->dev, "MCLK enable error: %d\n", ret_val);
+                       dev_err(dev, "MCLK enable error: %d\n", ret_val);
                        return ret_val;
                }
        }
 
-       sof_parent = snd_soc_acpi_sof_parent(&pdev->dev);
+       sof_parent = snd_soc_acpi_sof_parent(dev);
 
        /* set card and driver name */
        if (sof_parent) {
        if (sof_parent)
                dev->driver->pm = &snd_soc_pm_ops;
 
-       ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
+       ret_val = devm_snd_soc_register_card(dev, &snd_soc_card_cht);
        if (ret_val) {
-               dev_err(&pdev->dev,
+               dev_err(dev,
                        "snd_soc_register_card failed %d\n", ret_val);
                return ret_val;
        }