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path: root/drivers/char/drm/via_irq.c
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Diffstat (limited to 'drivers/char/drm/via_irq.c')
-rw-r--r--drivers/char/drm/via_irq.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
index 8dc99b5fbab..9c1d52bc92d 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;
}