ASoC: SOF: mediatek: mt8186: clean up unused code

Since there are some variables that are no longer being used, we remove
the code that was implemented for those variables.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reviewed-by: Yaochun Hung <yc.hung@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20231103095433.10475-3-trevor.wu@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/mediatek/mt8186/mt8186.c

@@ -96,29 +96,6 @@ static int platform_parse_resource(struct platform_device *pdev, void *data)
 	struct mtk_adsp_chip_info *adsp = data;
 	int ret;
 
-	mem_region = of_parse_phandle(dev->of_node, "memory-region", 0);
-	if (!mem_region) {
-		dev_err(dev, "no dma memory-region phandle\n");
-		return -ENODEV;
-	}
-
-	ret = of_address_to_resource(mem_region, 0, &res);
-	of_node_put(mem_region);
-	if (ret) {
-		dev_err(dev, "of_address_to_resource dma failed\n");
-		return ret;
-	}
-
-	dev_dbg(dev, "DMA %pR\n", &res);
-
-	adsp->pa_shared_dram = (phys_addr_t)res.start;
-	adsp->shared_size = resource_size(&res);
-	if (adsp->pa_shared_dram & DRAM_REMAP_MASK) {
-		dev_err(dev, "adsp shared dma memory(%#x) is not 4K-aligned\n",
-			(u32)adsp->pa_shared_dram);
-		return -EINVAL;
-	}
-
 	ret = of_reserved_mem_device_init(dev);
 	if (ret) {
 		dev_err(dev, "of_reserved_mem_device_init failed\n");
@@ -248,26 +225,6 @@ static int adsp_memory_remap_init(struct snd_sof_dev *sdev, struct mtk_adsp_chip
 	return 0;
 }
 
-static int adsp_shared_base_ioremap(struct platform_device *pdev, void *data)
-{
-	struct device *dev = &pdev->dev;
-	struct mtk_adsp_chip_info *adsp = data;
-
-	/* remap shared-dram base to be non-cachable */
-	adsp->shared_dram = devm_ioremap(dev, adsp->pa_shared_dram,
-					 adsp->shared_size);
-	if (!adsp->shared_dram) {
-		dev_err(dev, "failed to ioremap base %pa size %#x\n",
-			adsp->shared_dram, adsp->shared_size);
-		return -ENOMEM;
-	}
-
-	dev_dbg(dev, "shared-dram vbase=%p, phy addr :%pa,  size=%#x\n",
-		adsp->shared_dram, &adsp->pa_shared_dram, adsp->shared_size);
-
-	return 0;
-}
-
 static int mt8186_run(struct snd_sof_dev *sdev)
 {
 	u32 adsp_bootup_addr;
@@ -324,12 +281,6 @@ static int mt8186_dsp_probe(struct snd_sof_dev *sdev)
 
 	priv->adsp->va_dram = sdev->bar[SOF_FW_BLK_TYPE_SRAM];
 
-	ret = adsp_shared_base_ioremap(pdev, priv->adsp);
-	if (ret) {
-		dev_err(sdev->dev, "adsp_shared_base_ioremap fail!\n");
-		return ret;
-	}
-
 	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;
 	sdev->bar[DSP_SECREG_BAR] = priv->adsp->va_secreg;
 	sdev->bar[DSP_BUSREG_BAR] = priv->adsp->va_busreg;