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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/ptp/ptp_dte.c
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@@ -240,19 +240,14 @@
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 {
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 	struct ptp_dte *ptp_dte;
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 	struct device *dev = &pdev->dev;
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-	struct resource *res;
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 	ptp_dte = devm_kzalloc(dev, sizeof(struct ptp_dte), GFP_KERNEL);
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 	if (!ptp_dte)
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 		return -ENOMEM;
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	ptp_dte->regs = devm_ioremap_resource(dev, res);
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-	if (IS_ERR(ptp_dte->regs)) {
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-		dev_err(dev,
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-			"%s: io remap failed\n", __func__);
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+	ptp_dte->regs = devm_platform_ioremap_resource(pdev, 0);
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+	if (IS_ERR(ptp_dte->regs))
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 		return PTR_ERR(ptp_dte->regs);
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-	}
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 	spin_lock_init(&ptp_dte->lock);
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@@ -288,8 +283,7 @@
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 #ifdef CONFIG_PM_SLEEP
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 static int ptp_dte_suspend(struct device *dev)
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 {
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-	struct platform_device *pdev = to_platform_device(dev);
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-	struct ptp_dte *ptp_dte = platform_get_drvdata(pdev);
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+	struct ptp_dte *ptp_dte = dev_get_drvdata(dev);
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 	u8 i;
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 	for (i = 0; i < DTE_NUM_REGS_TO_RESTORE; i++) {
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@@ -305,8 +299,7 @@
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 static int ptp_dte_resume(struct device *dev)
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 {
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-	struct platform_device *pdev = to_platform_device(dev);
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-	struct ptp_dte *ptp_dte = platform_get_drvdata(pdev);
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+	struct ptp_dte *ptp_dte = dev_get_drvdata(dev);
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 	u8 i;
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 	for (i = 0; i < DTE_NUM_REGS_TO_RESTORE; i++) {