Merge tag 'nfsd-4.7' of git://linux-nfs.org/~bfields/linux

[linux-2.6-block.git] / drivers / of / address.c

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 91a469d55b8fb8d36460cfa8ea3f2a9bad3f6106..0a553c084a81c25ada2442071a27c50cc1f0086f 100644 (file)
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -4,6 +4,7 @@
 #include <linux/ioport.h>
 #include <linux/module.h>
 #include <linux/of_address.h>
+#include <linux/pci.h>
 #include <linux/pci_regs.h>
 #include <linux/sizes.h>
 #include <linux/slab.h>
@@ -673,121 +674,6 @@ const __be32 *of_get_address(struct device_node *dev, int index, u64 *size,
 }
 EXPORT_SYMBOL(of_get_address);
 
-#ifdef PCI_IOBASE
-struct io_range {
-       struct list_head list;
-       phys_addr_t start;
-       resource_size_t size;
-};
-
-static LIST_HEAD(io_range_list);
-static DEFINE_SPINLOCK(io_range_lock);
-#endif
-
-/*
- * Record the PCI IO range (expressed as CPU physical address + size).
- * Return a negative value if an error has occured, zero otherwise
- */
-int __weak pci_register_io_range(phys_addr_t addr, resource_size_t size)
-{
-       int err = 0;
-
-#ifdef PCI_IOBASE
-       struct io_range *range;
-       resource_size_t allocated_size = 0;
-
-       /* check if the range hasn't been previously recorded */
-       spin_lock(&io_range_lock);
-       list_for_each_entry(range, &io_range_list, list) {
-               if (addr >= range->start && addr + size <= range->start + size) {
-                       /* range already registered, bail out */
-                       goto end_register;
-               }
-               allocated_size += range->size;
-       }
-
-       /* range not registed yet, check for available space */
-       if (allocated_size + size - 1 > IO_SPACE_LIMIT) {
-               /* if it's too big check if 64K space can be reserved */
-               if (allocated_size + SZ_64K - 1 > IO_SPACE_LIMIT) {
-                       err = -E2BIG;
-                       goto end_register;
-               }
-
-               size = SZ_64K;
-               pr_warn("Requested IO range too big, new size set to 64K\n");
-       }
-
-       /* add the range to the list */
-       range = kzalloc(sizeof(*range), GFP_ATOMIC);
-       if (!range) {
-               err = -ENOMEM;
-               goto end_register;
-       }
-
-       range->start = addr;
-       range->size = size;
-
-       list_add_tail(&range->list, &io_range_list);
-
-end_register:
-       spin_unlock(&io_range_lock);
-#endif
-
-       return err;
-}
-
-phys_addr_t pci_pio_to_address(unsigned long pio)
-{
-       phys_addr_t address = (phys_addr_t)OF_BAD_ADDR;
-
-#ifdef PCI_IOBASE
-       struct io_range *range;
-       resource_size_t allocated_size = 0;
-
-       if (pio > IO_SPACE_LIMIT)
-               return address;
-
-       spin_lock(&io_range_lock);
-       list_for_each_entry(range, &io_range_list, list) {
-               if (pio >= allocated_size && pio < allocated_size + range->size) {
-                       address = range->start + pio - allocated_size;
-                       break;
-               }
-               allocated_size += range->size;
-       }
-       spin_unlock(&io_range_lock);
-#endif
-
-       return address;
-}
-
-unsigned long __weak pci_address_to_pio(phys_addr_t address)
-{
-#ifdef PCI_IOBASE
-       struct io_range *res;
-       resource_size_t offset = 0;
-       unsigned long addr = -1;
-
-       spin_lock(&io_range_lock);
-       list_for_each_entry(res, &io_range_list, list) {
-               if (address >= res->start && address < res->start + res->size) {
-                       addr = address - res->start + offset;
-                       break;
-               }
-               offset += res->size;
-       }
-       spin_unlock(&io_range_lock);
-
-       return addr;
-#else
-       if (address > IO_SPACE_LIMIT)
-               return (unsigned long)-1;
-
-       return (unsigned long) address;
-#endif
-}
-
 static int __of_address_to_resource(struct device_node *dev,
                const __be32 *addrp, u64 size, unsigned int flags,
                const char *name, struct resource *r)