drm: fix irq naming for kms drivers.
allocating devname in the i915 driver was a hack originally and I
forgot to figure out how to do this properly back then.
So this is the cleaner version that just picks devname or driver name
in the irq code.
It removes the devname allocs from the i915 driver.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 93e677a..fc8e5ac 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -196,6 +196,7 @@
{
int ret = 0;
unsigned long sh_flags = 0;
+ char *irqname;
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
@@ -227,8 +228,13 @@
if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
sh_flags = IRQF_SHARED;
+ if (dev->devname)
+ irqname = dev->devname;
+ else
+ irqname = dev->driver->name;
+
ret = request_irq(drm_dev_to_irq(dev), dev->driver->irq_handler,
- sh_flags, dev->devname, dev);
+ sh_flags, irqname, dev);
if (ret < 0) {
mutex_lock(&dev->struct_mutex);