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authorMike Travis <travis@sgi.com>2010-02-02 14:38:13 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-05 14:05:41 -0800
commit95a8b6efc5d07103583f706c8a5889437d537939 (patch)
treea8e9161eea03b0eb21e838826c547771158ecdce /include/linux/pci.h
parent499a2673713c85734a54c37dd90b4b729de399c4 (diff)
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pci: Update pci_set_vga_state() to call arch functions
Update pci_set_vga_state to call arch dependent functions to enable Legacy VGA I/O transactions to be redirected to correct target. [akpm@linux-foundation.org: make pci_register_set_vga_state() __init] Signed-off-by: Mike Travis <travis@sgi.com> LKML-Reference: <201002022238.o12McE1J018723@imap1.linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Robin Holt <holt@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: David Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 174e5392e51..5da166e560c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -955,6 +955,11 @@ static inline int pci_proc_domain(struct pci_bus *bus)
}
#endif /* CONFIG_PCI_DOMAINS */
+/* some architectures require additional setup to direct VGA traffic */
+typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode,
+ unsigned int command_bits, bool change_bridge);
+extern void pci_register_set_vga_state(arch_set_vga_state_t func);
+
#else /* CONFIG_PCI is not enabled */
/*