sparc64/PCI: drop PCI_CACHE_LINE_BYTES

sparc64 is now the only user of PCI_CACHE_LINE_BYTES.  Drop it and set
pci_dfl_cache_line_size from pcibios_init() instead and drop
PCI_CACHE_LINE_BYTES handling from generic pci code.

Orignally-From: David Miller <davem@davemloft.net>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

3 files changed, 8 insertions, 7 deletions

diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index b63e51c3c3e..b0576df6ec8 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -16,8 +16,6 @@
 
 #define PCI_IRQ_NONE            0xffffffff
 
-#define PCI_CACHE_LINE_BYTES    64
-
 static inline void pcibios_set_master(struct pci_dev *dev)
 {
         /* No special bus mastering setup handling */
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index c6864866280..b85374f7cf9 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1081,3 +1081,10 @@ void pci_resource_to_user(const struct pci_dev *pdev, int bar,
         *start = rp->start - offset;
         *end = rp->end - offset;
 }
+
+static int __init pcibios_init(void)
+{
+        pci_dfl_cache_line_size = 64 >> 2;
+        return 0;
+}
+subsys_initcall(pcibios_init);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1f9a7a03847..01337b7a215 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -47,17 +47,13 @@ unsigned long pci_cardbus_mem_size = DEFAULT_CARDBUS_MEM_SIZE;
 unsigned long pci_hotplug_io_size  = DEFAULT_HOTPLUG_IO_SIZE;
 unsigned long pci_hotplug_mem_size = DEFAULT_HOTPLUG_MEM_SIZE;
 
-#ifndef PCI_CACHE_LINE_BYTES
-#define PCI_CACHE_LINE_BYTES L1_CACHE_BYTES
-#endif
-
 /*
  * The default CLS is used if arch didn't set CLS explicitly and not
  * all pci devices agree on the same value.  Arch can override either
  * the dfl or actual value as it sees fit.  Don't forget this is
  * measured in 32-bit words, not bytes.
  */
-u8 pci_dfl_cache_line_size __initdata = PCI_CACHE_LINE_BYTES >> 2;
+u8 pci_dfl_cache_line_size __initdata = L1_CACHE_BYTES >> 2;
 u8 pci_cache_line_size;
 
 /**