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authorEric Anholt <anholt@freebsd.org>2002-10-29 03:20:21 +0000
committerEric Anholt <anholt@freebsd.org>2002-10-29 03:20:21 +0000
commit10900dab7caa593a54d76e5f6abdc3df9bdd0a04 (patch)
tree91af91a2e4b56a52ea17dd025a74179b31af4c05 /bsd-core/drm_dma.c
parentff25e7016c74ed0be5d47be5bf1937335da2bbf4 (diff)
Use bus_alloc_resource/bus_release_resource more properly: save the rid
returned by alloc.
Diffstat (limited to 'bsd-core/drm_dma.c')
-rw-r--r--bsd-core/drm_dma.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c
index 4593a712..5632b5a2 100644
--- a/bsd-core/drm_dma.c
+++ b/bsd-core/drm_dma.c
@@ -41,12 +41,6 @@
#define __HAVE_SHARED_IRQ 0
#endif
-#if __HAVE_SHARED_IRQ
-#define DRM_IRQ_TYPE SA_SHIRQ
-#else
-#define DRM_IRQ_TYPE 0
-#endif
-
#if __HAVE_DMA
int DRM(dma_setup)( drm_device_t *dev )
@@ -503,7 +497,6 @@ int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma)
int DRM(irq_install)( drm_device_t *dev, int irq )
{
- int rid;
int retcode;
if ( !irq )
@@ -535,18 +528,24 @@ int DRM(irq_install)( drm_device_t *dev, int irq )
DRM(driver_irq_preinstall)( dev );
/* Install handler */
- rid = 0;
- dev->irqr = bus_alloc_resource(dev->device, SYS_RES_IRQ, &rid,
+ dev->irqrid = 0;
+ dev->irqr = bus_alloc_resource(dev->device, SYS_RES_IRQ, &dev->irqrid,
0, ~0, 1, RF_SHAREABLE);
- if (!dev->irqr)
+ if (!dev->irqr) {
+ DRM_LOCK;
+ dev->irq = 0;
+ dev->irqrid = 0;
+ DRM_UNLOCK;
return ENOENT;
+ }
retcode = bus_setup_intr(dev->device, dev->irqr, INTR_TYPE_TTY,
DRM(dma_service), dev, &dev->irqh);
if ( retcode ) {
DRM_LOCK;
- bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irqr);
+ bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid, dev->irqr);
dev->irq = 0;
+ dev->irqrid = 0;
DRM_UNLOCK;
return retcode;
}
@@ -560,10 +559,13 @@ int DRM(irq_install)( drm_device_t *dev, int irq )
int DRM(irq_uninstall)( drm_device_t *dev )
{
int irq;
-
+ int irqrid;
+
DRM_LOCK;
irq = dev->irq;
+ irqrid = dev->irqrid;
dev->irq = 0;
+ dev->irqrid = 0;
DRM_UNLOCK;
if ( !irq )
@@ -574,7 +576,7 @@ int DRM(irq_uninstall)( drm_device_t *dev )
DRM(driver_irq_uninstall)( dev );
bus_teardown_intr(dev->device, dev->irqr, dev->irqh);
- bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irqr);
+ bus_release_resource(dev->device, SYS_RES_IRQ, irqrid, dev->irqr);
return 0;
}