From 9d561ed46ea33c223def2eb8e2b09ea108a4d70b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 14 May 2007 01:50:27 +1000 Subject: [POWERPC] viopath: Use completion Use a completion instead of abusing a semaphore for hypervisor event completion in viopath. Signed-off-by: Christoph Hellwig Acked-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/iseries/viopath.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'arch/powerpc/platforms/iseries') diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c index 354b8dd2a2c1..7f58e5929a2c 100644 --- a/arch/powerpc/platforms/iseries/viopath.c +++ b/arch/powerpc/platforms/iseries/viopath.c @@ -37,6 +37,7 @@ #include #include #include +#include #include #include @@ -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); } /* -- cgit v1.2.3-59-g8ed1b