sparc/lib/iomap.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Implement the sparc iomap interfaces
0004  */
0005 #include <linux/pci.h>
0006 #include <linux/module.h>
0007 #include <asm/io.h>
0008
0009 /* Create a virtual mapping cookie for an IO port range */
0010 void __iomem *ioport_map(unsigned long port, unsigned int nr)
0011 {
0012     return (void __iomem *) (unsigned long) port;
0013 }
0014
0015 void ioport_unmap(void __iomem *addr)
0016 {
0017     /* Nothing to do */
0018 }
0019 EXPORT_SYMBOL(ioport_map);
0020 EXPORT_SYMBOL(ioport_unmap);
0021
0022 #ifdef CONFIG_PCI
0023 void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
0024 {
0025     /* nothing to do */
0026 }
0027 EXPORT_SYMBOL(pci_iounmap);
0028 #endif