diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xp_main.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xp_main.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c index bb9257642fc..1fbf99bae96 100644 --- a/drivers/misc/sgi-xp/xp_main.c +++ b/drivers/misc/sgi-xp/xp_main.c @@ -23,15 +23,21 @@ #include "xp.h" /* - * Target of nofault PIO read. + * The export of xp_nofault_PIOR needs to happen here since it is defined + * in drivers/misc/sgi-xp/xp_nofault.S. The target of the nofault read is + * defined here. */ +EXPORT_SYMBOL_GPL(xp_nofault_PIOR); + u64 xp_nofault_PIOR_target; +EXPORT_SYMBOL_GPL(xp_nofault_PIOR_target); /* * xpc_registrations[] keeps track of xpc_connect()'s done by the kernel-level * users of XPC. */ struct xpc_registration xpc_registrations[XPC_NCHANNELS]; +EXPORT_SYMBOL_GPL(xpc_registrations); /* * Initialize the XPC interface to indicate that XPC isn't loaded. @@ -52,6 +58,7 @@ struct xpc_interface xpc_interface = { (void (*)(partid_t, int, void *))xpc_notloaded, (enum xpc_retval(*)(partid_t, void *))xpc_notloaded }; +EXPORT_SYMBOL_GPL(xpc_interface); /* * XPC calls this when it (the XPC module) has been loaded. @@ -74,6 +81,7 @@ xpc_set_interface(void (*connect) (int), xpc_interface.received = received; xpc_interface.partid_to_nasids = partid_to_nasids; } +EXPORT_SYMBOL_GPL(xpc_set_interface); /* * XPC calls this when it (the XPC module) is being unloaded. @@ -95,6 +103,7 @@ xpc_clear_interface(void) xpc_interface.partid_to_nasids = (enum xpc_retval(*)(partid_t, void *)) xpc_notloaded; } +EXPORT_SYMBOL_GPL(xpc_clear_interface); /* * Register for automatic establishment of a channel connection whenever @@ -133,9 +142,8 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size, registration = &xpc_registrations[ch_number]; - if (mutex_lock_interruptible(®istration->mutex) != 0) { + if (mutex_lock_interruptible(®istration->mutex) != 0) return xpcInterrupted; - } /* if XPC_CHANNEL_REGISTERED(ch_number) */ if (registration->func != NULL) { @@ -157,6 +165,7 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size, return xpcSuccess; } +EXPORT_SYMBOL_GPL(xpc_connect); /* * Remove the registration for automatic connection of the specified channel @@ -207,6 +216,7 @@ xpc_disconnect(int ch_number) return; } +EXPORT_SYMBOL_GPL(xpc_disconnect); int __init xp_init(void) @@ -215,9 +225,8 @@ xp_init(void) u64 func_addr = *(u64 *)xp_nofault_PIOR; u64 err_func_addr = *(u64 *)xp_error_PIOR; - if (!ia64_platform_is("sn2")) { + if (!ia64_platform_is("sn2")) return -ENODEV; - } /* * Register a nofault code region which performs a cross-partition @@ -228,8 +237,9 @@ xp_init(void) * least some CPUs on Shubs <= v1.2, which unfortunately we have to * work around). */ - if ((ret = sn_register_nofault_code(func_addr, err_func_addr, - err_func_addr, 1, 1)) != 0) { + ret = sn_register_nofault_code(func_addr, err_func_addr, err_func_addr, + 1, 1); + if (ret != 0) { printk(KERN_ERR "XP: can't register nofault code, error=%d\n", ret); } @@ -237,16 +247,14 @@ xp_init(void) * Setup the nofault PIO read target. (There is no special reason why * SH_IPI_ACCESS was selected.) */ - if (is_shub2()) { + if (is_shub2()) xp_nofault_PIOR_target = SH2_IPI_ACCESS0; - } else { + else xp_nofault_PIOR_target = SH1_IPI_ACCESS; - } /* initialize the connection registration mutex */ - for (ch_number = 0; ch_number < XPC_NCHANNELS; ch_number++) { + for (ch_number = 0; ch_number < XPC_NCHANNELS; ch_number++) mutex_init(&xpc_registrations[ch_number].mutex); - } return 0; } @@ -269,12 +277,3 @@ module_exit(xp_exit); MODULE_AUTHOR("Silicon Graphics, Inc."); MODULE_DESCRIPTION("Cross Partition (XP) base"); MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(xp_nofault_PIOR); -EXPORT_SYMBOL(xp_nofault_PIOR_target); -EXPORT_SYMBOL(xpc_registrations); -EXPORT_SYMBOL(xpc_interface); -EXPORT_SYMBOL(xpc_clear_interface); -EXPORT_SYMBOL(xpc_set_interface); -EXPORT_SYMBOL(xpc_connect); -EXPORT_SYMBOL(xpc_disconnect); |