[RFC PATCH] move drm to pci_request_irq

[Frederik Deweerdt <deweerdt@free.fr>]

Hi,

This proof-of-concept patch converts the drm driver to use the
pci_request_irq() function.

Regards,
Frederik



diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index b366c5b..5b000cd 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -234,6 +234,8 @@ int drm_lastclose(drm_device_t * dev)
 	}
 	mutex_unlock(&dev->struct_mutex);
 
+	pci_set_drvdata(dev, NULL);
+
 	DRM_DEBUG("lastclose completed\n");
 	return 0;
 }
diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index 4553a3a..5dd12cb 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -132,8 +132,10 @@ static int drm_irq_install(drm_device_t 
 	if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
 		sh_flags = IRQF_SHARED;
 
-	ret = request_irq(dev->irq, dev->driver->irq_handler,
-			  sh_flags, dev->devname, dev);
+	pci_set_drvdata(dev->pdev, dev);
+
+	ret = pci_request_irq(dev->pdev, dev->driver->irq_handler,
+			  sh_flags, dev->devname);
 	if (ret < 0) {
 		mutex_lock(&dev->struct_mutex);
 		dev->irq_enabled = 0;
@@ -173,7 +175,7 @@ int drm_irq_uninstall(drm_device_t * dev
 
 	dev->driver->irq_uninstall(dev);
 
-	free_irq(dev->irq, dev);
+	pci_free_irq(dev->pdev);
 
 	return 0;
 }