[2.6 patch] make isa_bridge Alpha-only

From: Adrian Bunk
Date: Sat Jan 06 2007 - 15:48:57 EST


Since isa_bridge is neither assigned any value !NULL nor used on !Alpha,
there's no reason for providing it.

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

---

arch/alpha/kernel/pci.c | 4 ++++
drivers/pci/pci.c | 6 ------
include/asm-alpha/pci.h | 2 ++
include/linux/pci.h | 6 ------
4 files changed, 6 insertions(+), 12 deletions(-)

--- linux-2.6.20-rc3-mm1/include/linux/pci.h.old 2007-01-06 18:07:12.000000000 +0100
+++ linux-2.6.20-rc3-mm1/include/linux/pci.h 2007-01-06 18:11:45.000000000 +0100
@@ -620,10 +620,6 @@
strategy_parameter byte boundaries */
};

-#if defined(CONFIG_ISA) || defined(CONFIG_EISA)
-extern struct pci_dev *isa_bridge;
-#endif
-
struct msix_entry {
u16 vector; /* kernel uses to write allocated vector */
u16 entry; /* driver uses to specify entry, OS writes */
@@ -731,8 +727,6 @@
static inline pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) { return PCI_D0; }
static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; }

-#define isa_bridge ((struct pci_dev *)NULL)
-
#define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)

static inline void pci_block_user_cfg_access(struct pci_dev *dev) { }
--- linux-2.6.20-rc3-mm1/include/asm-alpha/pci.h.old 2007-01-06 18:07:42.000000000 +0100
+++ linux-2.6.20-rc3-mm1/include/asm-alpha/pci.h 2007-01-06 18:14:33.000000000 +0100
@@ -293,4 +293,6 @@
#define IOBASE_ROOT_BUS 5
#define IOBASE_FROM_HOSE 0x10000

+extern struct pci_dev *isa_bridge;
+
#endif /* __ALPHA_PCI_H */
--- linux-2.6.20-rc3-mm1/drivers/pci/pci.c.old 2007-01-06 18:12:48.000000000 +0100
+++ linux-2.6.20-rc3-mm1/drivers/pci/pci.c 2007-01-06 18:13:17.000000000 +0100
@@ -1223,12 +1223,6 @@

device_initcall(pci_init);

-#if defined(CONFIG_ISA) || defined(CONFIG_EISA)
-/* FIXME: Some boxes have multiple ISA bridges! */
-struct pci_dev *isa_bridge;
-EXPORT_SYMBOL(isa_bridge);
-#endif
-
EXPORT_SYMBOL_GPL(pci_restore_bars);
EXPORT_SYMBOL(pci_enable_device_bars);
EXPORT_SYMBOL(pci_enable_device);
--- linux-2.6.20-rc3-mm1/arch/alpha/kernel/pci.c.old 2007-01-06 18:12:15.000000000 +0100
+++ linux-2.6.20-rc3-mm1/arch/alpha/kernel/pci.c 2007-01-06 18:14:03.000000000 +0100
@@ -575,3 +575,7 @@

EXPORT_SYMBOL(pci_iomap);
EXPORT_SYMBOL(pci_iounmap);
+
+/* FIXME: Some boxes have multiple ISA bridges! */
+struct pci_dev *isa_bridge;
+EXPORT_SYMBOL(isa_bridge);

-
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