diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/viopath.c')
| -rw-r--r-- | arch/powerpc/platforms/iseries/viopath.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 354b8dd2a2c1..6a0060a5f2ec 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -37,6 +37,7 @@ #include <linux/wait.h> #include <linux/seq_file.h> #include <linux/interrupt.h> +#include <linux/completion.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -81,7 +82,7 @@ static void handleMonitorEvent(struct HvLpEvent *event); * if system_state is not SYSTEM_RUNNING, then wait_atomic is used ... */ struct alloc_parms { - struct semaphore sem; + struct completion done; int number; atomic_t wait_atomic; int used_wait_atomic; @@ -115,7 +116,7 @@ static int proc_viopath_show(struct seq_file *m, void *v) u16 vlanMap; dma_addr_t handle; HvLpEvent_Rc hvrc; - DECLARE_MUTEX_LOCKED(Semaphore); + DECLARE_COMPLETION(done); struct device_node *node; const char *sysid; @@ -132,13 +133,13 @@ static int proc_viopath_show(struct seq_file *m, void *v) HvLpEvent_AckInd_DoAck, HvLpEvent_AckType_ImmediateAck, viopath_sourceinst(viopath_hostLp), viopath_targetinst(viopath_hostLp), - (u64)(unsigned long)&Semaphore, VIOVERSION << 16, + (u64)(unsigned long)&done, VIOVERSION << 16, ((u64)handle) << 32, HW_PAGE_SIZE, 0, 0); if (hvrc != HvLpEvent_Rc_Good) printk(VIOPATH_KERN_WARN "hv error on op %d\n", (int)hvrc); - down(&Semaphore); + wait_for_completion(&done); vlanMap = HvLpConfig_getVirtualLanIndexMap(); @@ -353,7 +354,7 @@ static void handleConfig(struct HvLpEvent *event) return; } - up((struct semaphore *)event->xCorrelationToken); + complete((struct completion *)event->xCorrelationToken); } /* @@ -464,7 +465,7 @@ static void viopath_donealloc(void *parm, int number) if (parmsp->used_wait_atomic) atomic_set(&parmsp->wait_atomic, 0); else - up(&parmsp->sem); + complete(&parmsp->done); } static int allocateEvents(HvLpIndex remoteLp, int numEvents) @@ -476,7 +477,7 @@ static int allocateEvents(HvLpIndex remoteLp, int numEvents) atomic_set(&parms.wait_atomic, 1); } else { parms.used_wait_atomic = 0; - init_MUTEX_LOCKED(&parms.sem); + init_completion(&parms.done); } mf_allocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo, 250, /* It would be nice to put a real number here! */ numEvents, &viopath_donealloc, &parms); @@ -484,7 +485,7 @@ static int allocateEvents(HvLpIndex remoteLp, int numEvents) while (atomic_read(&parms.wait_atomic)) mb(); } else - down(&parms.sem); + wait_for_completion(&parms.done); return parms.number; } @@ -585,10 +586,10 @@ int viopath_close(HvLpIndex remoteLp, int subtype, int numReq) spin_unlock_irqrestore(&statuslock, flags); parms.used_wait_atomic = 0; - init_MUTEX_LOCKED(&parms.sem); + init_completion(&parms.done); mf_deallocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo, numReq, &viopath_donealloc, &parms); - down(&parms.sem); + wait_for_completion(&parms.done); spin_lock_irqsave(&statuslock, flags); for (i = 0, numOpen = 0; i < VIO_MAX_SUBTYPES; i++) |