From 5cfbd5dbab4fe9668771377cb22da04c6103459e Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 24 Jul 2006 10:51:27 +1000 Subject: switch drm to use Linux mutexes instead of semaphore. I hope the fallback compat code works if not shout at me. --- linux-core/drm_irq.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'linux-core/drm_irq.c') diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index 7f21205d..d76fd51d 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -97,20 +97,20 @@ static int drm_irq_install(drm_device_t * dev) if (dev->irq == 0) return -EINVAL; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); /* Driver must have been initialized */ if (!dev->dev_private) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EINVAL; } if (dev->irq_enabled) { - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return -EBUSY; } dev->irq_enabled = 1; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); DRM_DEBUG("%s: irq=%d\n", __FUNCTION__, dev->irq); @@ -134,9 +134,9 @@ static int drm_irq_install(drm_device_t * dev) ret = request_irq(dev->irq, dev->driver->irq_handler, sh_flags, dev->devname, dev); if (ret < 0) { - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); dev->irq_enabled = 0; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); return ret; } @@ -160,10 +160,10 @@ int drm_irq_uninstall(drm_device_t * dev) if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; - down(&dev->struct_sem); + mutex_lock(&dev->struct_mutex); irq_enabled = dev->irq_enabled; dev->irq_enabled = 0; - up(&dev->struct_sem); + mutex_unlock(&dev->struct_mutex); if (!irq_enabled) return -EINVAL; -- cgit v1.2.3