Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / xen / xenbus / xenbus_probe.c

diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index 3325884c693f8f1db3d94e43be43a622b857af2d..56cfaaa9d006ab1b86c47d6c1a9f1ab90268f399 100644 (file)
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -69,6 +69,9 @@ EXPORT_SYMBOL_GPL(xen_store_evtchn);
 struct xenstore_domain_interface *xen_store_interface;
 EXPORT_SYMBOL_GPL(xen_store_interface);
 
+enum xenstore_init xen_store_domain_type;
+EXPORT_SYMBOL_GPL(xen_store_domain_type);
+
 static unsigned long xen_store_mfn;
 
 static BLOCKING_NOTIFIER_HEAD(xenstore_chain);
@@ -719,17 +722,11 @@ static int __init xenstored_local_init(void)
        return err;
 }
 
-enum xenstore_init {
-       UNKNOWN,
-       PV,
-       HVM,
-       LOCAL,
-};
 static int __init xenbus_init(void)
 {
        int err = 0;
-       enum xenstore_init usage = UNKNOWN;
        uint64_t v = 0;
+       xen_store_domain_type = XS_UNKNOWN;
 
        if (!xen_domain())
                return -ENODEV;
@@ -737,29 +734,29 @@ static int __init xenbus_init(void)
        xenbus_ring_ops_init();
 
        if (xen_pv_domain())
-               usage = PV;
+               xen_store_domain_type = XS_PV;
        if (xen_hvm_domain())
-               usage = HVM;
+               xen_store_domain_type = XS_HVM;
        if (xen_hvm_domain() && xen_initial_domain())
-               usage = LOCAL;
+               xen_store_domain_type = XS_LOCAL;
        if (xen_pv_domain() && !xen_start_info->store_evtchn)
-               usage = LOCAL;
+               xen_store_domain_type = XS_LOCAL;
        if (xen_pv_domain() && xen_start_info->store_evtchn)
                xenstored_ready = 1;
 
-       switch (usage) {
-       case LOCAL:
+       switch (xen_store_domain_type) {
+       case XS_LOCAL:
                err = xenstored_local_init();
                if (err)
                        goto out_error;
                xen_store_interface = mfn_to_virt(xen_store_mfn);
                break;
-       case PV:
+       case XS_PV:
                xen_store_evtchn = xen_start_info->store_evtchn;
                xen_store_mfn = xen_start_info->store_mfn;
                xen_store_interface = mfn_to_virt(xen_store_mfn);
                break;
-       case HVM:
+       case XS_HVM:
                err = hvm_get_parameter(HVM_PARAM_STORE_EVTCHN, &v);
                if (err)
                        goto out_error;