Change pci_raw_ops to pci_raw_read/write
We want to allow different implementations of pci_raw_ops for standard
and extended config space on x86. Rather than clutter generic code with
knowledge of this, we make pci_raw_ops private to x86 and use it to
implement the new raw interface -- raw_pci_read() and raw_pci_write().
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 488e48a..8fd7e82 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -43,8 +43,7 @@
#define PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg) \
(((u64) seg << 28) | (bus << 20) | (devfn << 12) | (reg))
-static int
-pci_sal_read (unsigned int seg, unsigned int bus, unsigned int devfn,
+int raw_pci_read(unsigned int seg, unsigned int bus, unsigned int devfn,
int reg, int len, u32 *value)
{
u64 addr, data = 0;
@@ -68,8 +67,7 @@
return 0;
}
-static int
-pci_sal_write (unsigned int seg, unsigned int bus, unsigned int devfn,
+int raw_pci_write(unsigned int seg, unsigned int bus, unsigned int devfn,
int reg, int len, u32 value)
{
u64 addr;
@@ -91,24 +89,17 @@
return 0;
}
-static struct pci_raw_ops pci_sal_ops = {
- .read = pci_sal_read,
- .write = pci_sal_write
-};
-
-struct pci_raw_ops *raw_pci_ops = &pci_sal_ops;
-
-static int
-pci_read (struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
+static int pci_read(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
- return raw_pci_ops->read(pci_domain_nr(bus), bus->number,
+ return raw_pci_read(pci_domain_nr(bus), bus->number,
devfn, where, size, value);
}
-static int
-pci_write (struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
+static int pci_write(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
- return raw_pci_ops->write(pci_domain_nr(bus), bus->number,
+ return raw_pci_write(pci_domain_nr(bus), bus->number,
devfn, where, size, value);
}
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index e1a3e19..999f14f 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -752,13 +752,13 @@
* Determine the secondary bus number of the port2 logical PPB.
* This is used to decide whether a given pci device resides on
* port1 or port2. Note: We don't have enough plumbing set up
- * here to use pci_read_config_xxx() so use the raw_pci_ops vector.
+ * here to use pci_read_config_xxx() so use raw_pci_read().
*/
seg = tioce_common->ce_pcibus.bs_persist_segment;
bus = tioce_common->ce_pcibus.bs_persist_busnum;
- raw_pci_ops->read(seg, bus, PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1,&tmp);
+ raw_pci_read(seg, bus, PCI_DEVFN(2, 0), PCI_SECONDARY_BUS, 1,&tmp);
tioce_kern->ce_port1_secondary = (u8) tmp;
/*
@@ -799,11 +799,11 @@
/* mem base/limit */
- raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0),
+ raw_pci_read(seg, bus, PCI_DEVFN(dev, 0),
PCI_MEMORY_BASE, 2, &tmp);
base = (u64)tmp << 16;
- raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0),
+ raw_pci_read(seg, bus, PCI_DEVFN(dev, 0),
PCI_MEMORY_LIMIT, 2, &tmp);
limit = (u64)tmp << 16;
limit |= 0xfffffUL;
@@ -817,21 +817,21 @@
* attributes.
*/
- raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0),
+ raw_pci_read(seg, bus, PCI_DEVFN(dev, 0),
PCI_PREF_MEMORY_BASE, 2, &tmp);
base = ((u64)tmp & PCI_PREF_RANGE_MASK) << 16;
- raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0),
+ raw_pci_read(seg, bus, PCI_DEVFN(dev, 0),
PCI_PREF_BASE_UPPER32, 4, &tmp);
base |= (u64)tmp << 32;
- raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0),
+ raw_pci_read(seg, bus, PCI_DEVFN(dev, 0),
PCI_PREF_MEMORY_LIMIT, 2, &tmp);
limit = ((u64)tmp & PCI_PREF_RANGE_MASK) << 16;
limit |= 0xfffffUL;
- raw_pci_ops->read(seg, bus, PCI_DEVFN(dev, 0),
+ raw_pci_read(seg, bus, PCI_DEVFN(dev, 0),
PCI_PREF_LIMIT_UPPER32, 4, &tmp);
limit |= (u64)tmp << 32;