linux-kernel - [PATCH 1/3] ASoC: SOF: mediatek: mt8195: clean up unused code

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Message-ID: <20231103095433.10475-2-trevor.wu@mediatek.com>
Date:   Fri, 3 Nov 2023 17:54:30 +0800
From:   Trevor Wu <trevor.wu@...iatek.com>
To:     <pierre-louis.bossart@...ux.intel.com>,
        <peter.ujfalusi@...ux.intel.com>,
        <yung-chuan.liao@...ux.intel.com>,
        <ranjani.sridharan@...ux.intel.com>,
        <kai.vehmanen@...ux.intel.com>, <daniel.baluta@....com>,
        <broonie@...nel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
        <perex@...ex.cz>, <matthias.bgg@...il.com>,
        <angelogioacchino.delregno@...labora.com>
CC:     <trevor.wu@...iatek.com>, <yc.hung@...iatek.com>,
        <sound-open-firmware@...a-project.org>,
        <alsa-devel@...a-project.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] ASoC: SOF: mediatek: mt8195: 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@...iatek.com>
Reviewed-by: Yaochun Hung <yc.hung@...iatek.com>
---
 sound/soc/sof/mediatek/mt8195/mt8195.c | 49 --------------------------
 1 file changed, 49 deletions(-)

diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c
index cac0a085f60a..8ee7ee246344 100644
--- a/sound/soc/sof/mediatek/mt8195/mt8195.c
+++ b/sound/soc/sof/mediatek/mt8195/mt8195.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");
@@ -238,26 +215,6 @@ static int adsp_memory_remap_init(struct device *dev, struct mtk_adsp_chip_info
 	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 mt8195_run(struct snd_sof_dev *sdev)
 {
 	u32 adsp_bootup_addr;
@@ -338,12 +295,6 @@ static int mt8195_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");
-		goto err_adsp_sram_power_off;
-	}
-
 	sdev->bar[DSP_REG_BAR] = priv->adsp->va_cfgreg;
 
 	sdev->mmio_bar = SOF_FW_BLK_TYPE_SRAM;
-- 
2.18.0