From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/powerpc/kernel/iomap.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 arch/powerpc/kernel/iomap.c

(limited to 'arch/powerpc/kernel/iomap.c')

diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c
new file mode 100644
index 000000000..72862a4d3
--- /dev/null
+++ b/arch/powerpc/kernel/iomap.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ppc64 "iomap" interface implementation.
+ *
+ * (C) Copyright 2004 Linus Torvalds
+ */
+#include <linux/pci.h>
+#include <linux/mm.h>
+#include <linux/export.h>
+#include <asm/io.h>
+#include <asm/pci-bridge.h>
+#include <asm/isa-bridge.h>
+
+void __iomem *ioport_map(unsigned long port, unsigned int len)
+{
+	return (void __iomem *) (port + _IO_BASE);
+}
+EXPORT_SYMBOL(ioport_map);
+
+#ifdef CONFIG_PCI
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{
+	if (isa_vaddr_is_ioport(addr))
+		return;
+	if (pcibios_vaddr_is_ioport(addr))
+		return;
+	iounmap(addr);
+}
+
+EXPORT_SYMBOL(pci_iounmap);
+#endif /* CONFIG_PCI */
-- 
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