add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/mips/pci/pci-alchemy.c
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@@ -52,7 +52,7 @@
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 static struct alchemy_pci_context *__alchemy_pci_ctx;
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-/* IO/MEM resources for PCI. Keep the memres in sync with __fixup_bigphys_addr
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+/* IO/MEM resources for PCI. Keep the memres in sync with fixup_bigphys_addr
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  * in arch/mips/alchemy/common/setup.c
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  */
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 static struct resource alchemy_pci_def_memres = {
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@@ -409,7 +409,7 @@
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 		goto out6;
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 	}
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-	ctx->regs = ioremap_nocache(r->start, resource_size(r));
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+	ctx->regs = ioremap(r->start, resource_size(r));
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 	if (!ctx->regs) {
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 		dev_err(&pdev->dev, "cannot map pci regs\n");
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 		ret = -ENODEV;