X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=Documentation%2Fhwspinlock.txt;h=61c1ee98e59f2137b8b250d2b469d4d949cca9b3;hb=01b944fe1cd4e21a2a9ed51adbdbafe2d5e905ba;hp=62f7d4ea6e26459b74cdccbca9f7a3532ab4900b;hpb=75ae83d6869a443ee509dcce2b432c9d37516051;p=sfrench%2Fcifs-2.6.git diff --git a/Documentation/hwspinlock.txt b/Documentation/hwspinlock.txt index 62f7d4ea6e26..61c1ee98e59f 100644 --- a/Documentation/hwspinlock.txt +++ b/Documentation/hwspinlock.txt @@ -48,6 +48,16 @@ independent, drivers. ids for predefined purposes. Should be called from a process context (might sleep). + int of_hwspin_lock_get_id(struct device_node *np, int index); + - retrieve the global lock id for an OF phandle-based specific lock. + This function provides a means for DT users of a hwspinlock module + to get the global lock id of a specific hwspinlock, so that it can + be requested using the normal hwspin_lock_request_specific() API. + The function returns a lock id number on success, -EPROBE_DEFER if + the hwspinlock device is not yet registered with the core, or other + error values. + Should be called from a process context (might sleep). + int hwspin_lock_free(struct hwspinlock *hwlock); - free a previously-assigned hwspinlock; returns 0 on success, or an appropriate error code on failure (e.g. -EINVAL if the hwspinlock