__iounmap_at 735 arch/powerpc/include/asm/io.h extern void __iounmap_at(void *ea, unsigned long size); __iounmap_at 300 arch/powerpc/kernel/isa-bridge.c __iounmap_at((void *)ISA_IO_BASE, 0x10000); __iounmap_at 55 arch/powerpc/mm/ioremap_64.c EXPORT_SYMBOL(__iounmap_at); __iounmap_at 309 drivers/pcmcia/electra_cf.c __iounmap_at(cf->io_virt, cf->io_size); __iounmap_at 333 drivers/pcmcia/electra_cf.c __iounmap_at(cf->io_virt, cf->io_size);