[PATCH 3/7] spi: mt65xx: Add and use pointer to struct device in mtk_spi_probe()

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In preparation for switching to dev_err_probe() in this function, add
a pointer to struct device and replace all occurrences of '&pdev->dev'
to using this 'dev' pointer.
This is done for one-line fitting of the dev_err_probe() calls.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
 drivers/spi/spi-mt65xx.c | 62 ++++++++++++++++++++--------------------
 1 file changed, 31 insertions(+), 31 deletions(-)

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index e3f3b77960ae..7f381d84a005 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -789,18 +789,19 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
 
 static int mtk_spi_probe(struct platform_device *pdev)
 {
+	struct device *dev = &pdev->dev;
 	struct spi_master *master;
 	struct mtk_spi *mdata;
 	int i, irq, ret, addr_bits;
 
-	master = devm_spi_alloc_master(&pdev->dev, sizeof(*mdata));
+	master = devm_spi_alloc_master(dev, sizeof(*mdata));
 	if (!master) {
-		dev_err(&pdev->dev, "failed to alloc spi master\n");
+		dev_err(dev, "failed to alloc spi master\n");
 		return -ENOMEM;
 	}
 
 	master->auto_runtime_pm = true;
-	master->dev.of_node = pdev->dev.of_node;
+	master->dev.of_node = dev->of_node;
 	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
 
 	master->set_cs = mtk_spi_set_cs;
@@ -812,7 +813,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
 	master->use_gpio_descriptors = true;
 
 	mdata = spi_master_get_devdata(master);
-	mdata->dev_comp = device_get_match_data(&pdev->dev);
+	mdata->dev_comp = device_get_match_data(dev);
 
 	if (mdata->dev_comp->enhance_timing)
 		master->mode_bits |= SPI_CS_HIGH;
@@ -823,26 +824,25 @@ static int mtk_spi_probe(struct platform_device *pdev)
 		master->mode_bits |= SPI_LOOP;
 
 	if (mdata->dev_comp->need_pad_sel) {
-		mdata->pad_num = of_property_count_u32_elems(
-			pdev->dev.of_node,
+		mdata->pad_num = of_property_count_u32_elems(dev->of_node,
 			"mediatek,pad-select");
 		if (mdata->pad_num < 0) {
-			dev_err(&pdev->dev,
+			dev_err(dev,
 				"No 'mediatek,pad-select' property\n");
 			return -EINVAL;
 		}
 
-		mdata->pad_sel = devm_kmalloc_array(&pdev->dev, mdata->pad_num,
+		mdata->pad_sel = devm_kmalloc_array(dev, mdata->pad_num,
 						    sizeof(u32), GFP_KERNEL);
 		if (!mdata->pad_sel)
 			return -ENOMEM;
 
 		for (i = 0; i < mdata->pad_num; i++) {
-			of_property_read_u32_index(pdev->dev.of_node,
+			of_property_read_u32_index(dev->of_node,
 						   "mediatek,pad-select",
 						   i, &mdata->pad_sel[i]);
 			if (mdata->pad_sel[i] > MT8173_SPI_MAX_PAD_SEL) {
-				dev_err(&pdev->dev, "wrong pad-sel[%d]: %u\n",
+				dev_err(dev, "wrong pad-sel[%d]: %u\n",
 					i, mdata->pad_sel[i]);
 				return -EINVAL;
 			}
@@ -858,43 +858,43 @@ static int mtk_spi_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
-	if (!pdev->dev.dma_mask)
-		pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+	if (!dev->dma_mask)
+		dev->dma_mask = &dev->coherent_dma_mask;
 
-	ret = devm_request_irq(&pdev->dev, irq, mtk_spi_interrupt,
-			       IRQF_TRIGGER_NONE, dev_name(&pdev->dev), master);
+	ret = devm_request_irq(dev, irq, mtk_spi_interrupt,
+			       IRQF_TRIGGER_NONE, dev_name(dev), master);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register irq (%d)\n", ret);
+		dev_err(dev, "failed to register irq (%d)\n", ret);
 		return ret;
 	}
 
-	mdata->parent_clk = devm_clk_get(&pdev->dev, "parent-clk");
+	mdata->parent_clk = devm_clk_get(dev, "parent-clk");
 	if (IS_ERR(mdata->parent_clk)) {
-		dev_err(&pdev->dev, "failed to get parent-clk: %d\n", ret);
+		dev_err(dev, "failed to get parent-clk: %d\n", ret);
 		return PTR_ERR(mdata->parent_clk);
 	}
 
-	mdata->sel_clk = devm_clk_get(&pdev->dev, "sel-clk");
+	mdata->sel_clk = devm_clk_get(dev, "sel-clk");
 	if (IS_ERR(mdata->sel_clk)) {
-		dev_err(&pdev->dev, "failed to get sel-clk: %d\n", ret);
+		dev_err(dev, "failed to get sel-clk: %d\n", ret);
 		return PTR_ERR(mdata->sel_clk);
 	}
 
-	mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk");
+	mdata->spi_clk = devm_clk_get(dev, "spi-clk");
 	if (IS_ERR(mdata->spi_clk)) {
-		dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret);
+		dev_err(dev, "failed to get spi-clk: %d\n", ret);
 		return PTR_ERR(mdata->spi_clk);
 	}
 
 	ret = clk_prepare_enable(mdata->spi_clk);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to enable spi_clk (%d)\n", ret);
+		dev_err(dev, "failed to enable spi_clk (%d)\n", ret);
 		return ret;
 	}
 
 	ret = clk_set_parent(mdata->sel_clk, mdata->parent_clk);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to clk_set_parent (%d)\n", ret);
+		dev_err(dev, "failed to clk_set_parent (%d)\n", ret);
 		clk_disable_unprepare(mdata->spi_clk);
 		return ret;
 	}
@@ -906,11 +906,11 @@ static int mtk_spi_probe(struct platform_device *pdev)
 	else
 		clk_disable_unprepare(mdata->spi_clk);
 
-	pm_runtime_enable(&pdev->dev);
+	pm_runtime_enable(dev);
 
 	if (mdata->dev_comp->need_pad_sel) {
 		if (mdata->pad_num != master->num_chipselect) {
-			dev_err(&pdev->dev,
+			dev_err(dev,
 				"pad_num does not match num_chipselect(%d != %d)\n",
 				mdata->pad_num, master->num_chipselect);
 			ret = -EINVAL;
@@ -918,7 +918,7 @@ static int mtk_spi_probe(struct platform_device *pdev)
 		}
 
 		if (!master->cs_gpiods && master->num_chipselect > 1) {
-			dev_err(&pdev->dev,
+			dev_err(dev,
 				"cs_gpios not specified and num_chipselect > 1\n");
 			ret = -EINVAL;
 			goto err_disable_runtime_pm;
@@ -929,21 +929,21 @@ static int mtk_spi_probe(struct platform_device *pdev)
 		addr_bits = DMA_ADDR_EXT_BITS;
 	else
 		addr_bits = DMA_ADDR_DEF_BITS;
-	ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(addr_bits));
+	ret = dma_set_mask(dev, DMA_BIT_MASK(addr_bits));
 	if (ret)
-		dev_notice(&pdev->dev, "SPI dma_set_mask(%d) failed, ret:%d\n",
+		dev_notice(dev, "SPI dma_set_mask(%d) failed, ret:%d\n",
 			   addr_bits, ret);
 
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = devm_spi_register_master(dev, master);
 	if (ret) {
-		dev_err(&pdev->dev, "failed to register master (%d)\n", ret);
+		dev_err(dev, "failed to register master (%d)\n", ret);
 		goto err_disable_runtime_pm;
 	}
 
 	return 0;
 
 err_disable_runtime_pm:
-	pm_runtime_disable(&pdev->dev);
+	pm_runtime_disable(dev);
 
 	return ret;
 }
-- 
2.35.1




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