vme: Convert VME core to register as a subsystem
Previously, VME bridge support was treated as any other driver (using module_init() macro), but if VME bridge and vme_user (staging) drivers were compiled into the kernel, then vme_user would attempt to register itself before the VME core support had been loaded. This would result in a kernel panic. The load order of these built-in drivers is based on the order in which drivers/staging/vme and driver/vme are compiled. This patch changes the VME core driver to use the subsys_initcall() macro which ensures that it is loaded before all other VME drivers regardless of the order in which they are compiled. Tested-by: Aaron Sierra <asierra@xes-inc.com> Signed-off-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -3,7 +3,7 @@
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#
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menuconfig VME_BUS
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tristate "VME bridge support"
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bool "VME bridge support"
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depends on PCI
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---help---
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If you say Y here you get support for the VME bridge Framework.
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@ -1525,9 +1525,5 @@ static void __exit vme_exit(void)
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bus_unregister(&vme_bus_type);
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}
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MODULE_DESCRIPTION("VME bridge driver framework");
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MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com");
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MODULE_LICENSE("GPL");
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module_init(vme_init);
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subsys_initcall(vme_init);
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module_exit(vme_exit);
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