diff options
Diffstat (limited to 'drivers/char/drm/via_irq.c')
-rw-r--r-- | drivers/char/drm/via_irq.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index 8dc99b5..9c1d52b 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -205,13 +205,13 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); + return -EINVAL; } if (irq >= drm_via_irq_num) { DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, irq); - return DRM_ERR(EINVAL); + return -EINVAL; } real_irq = dev_priv->irq_map[irq]; @@ -219,7 +219,7 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc if (real_irq < 0) { DRM_ERROR("%s Video IRQ %d not available on this hardware.\n", __FUNCTION__, irq); - return DRM_ERR(EINVAL); + return -EINVAL; } masks = dev_priv->irq_masks; @@ -331,11 +331,9 @@ void via_driver_irq_uninstall(struct drm_device * dev) } } -int via_wait_irq(DRM_IOCTL_ARGS) +int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv) { - DRM_DEVICE; - drm_via_irqwait_t __user *argp = (void __user *)data; - drm_via_irqwait_t irqwait; + drm_via_irqwait_t *irqwait = data; struct timeval now; int ret = 0; drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; @@ -343,42 +341,39 @@ int via_wait_irq(DRM_IOCTL_ARGS) int force_sequence; if (!dev->irq) - return DRM_ERR(EINVAL); + return -EINVAL; - DRM_COPY_FROM_USER_IOCTL(irqwait, argp, sizeof(irqwait)); - if (irqwait.request.irq >= dev_priv->num_irqs) { + if (irqwait->request.irq >= dev_priv->num_irqs) { DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, - irqwait.request.irq); - return DRM_ERR(EINVAL); + irqwait->request.irq); + return -EINVAL; } - cur_irq += irqwait.request.irq; + cur_irq += irqwait->request.irq; - switch (irqwait.request.type & ~VIA_IRQ_FLAGS_MASK) { + switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) { case VIA_IRQ_RELATIVE: - irqwait.request.sequence += atomic_read(&cur_irq->irq_received); - irqwait.request.type &= ~_DRM_VBLANK_RELATIVE; + irqwait->request.sequence += atomic_read(&cur_irq->irq_received); + irqwait->request.type &= ~_DRM_VBLANK_RELATIVE; case VIA_IRQ_ABSOLUTE: break; default: - return DRM_ERR(EINVAL); + return -EINVAL; } - if (irqwait.request.type & VIA_IRQ_SIGNAL) { + if (irqwait->request.type & VIA_IRQ_SIGNAL) { DRM_ERROR("%s Signals on Via IRQs not implemented yet.\n", __FUNCTION__); - return DRM_ERR(EINVAL); + return -EINVAL; } - force_sequence = (irqwait.request.type & VIA_IRQ_FORCE_SEQUENCE); + force_sequence = (irqwait->request.type & VIA_IRQ_FORCE_SEQUENCE); - ret = via_driver_irq_wait(dev, irqwait.request.irq, force_sequence, - &irqwait.request.sequence); + ret = via_driver_irq_wait(dev, irqwait->request.irq, force_sequence, + &irqwait->request.sequence); do_gettimeofday(&now); - irqwait.reply.tval_sec = now.tv_sec; - irqwait.reply.tval_usec = now.tv_usec; - - DRM_COPY_TO_USER_IOCTL(argp, irqwait, sizeof(irqwait)); + irqwait->reply.tval_sec = now.tv_sec; + irqwait->reply.tval_usec = now.tv_usec; return ret; } |