drm: Constify gem_vm_ops pointer

The GEM vm operations structure is passed to the VM core that stores it in a const field. There vm operations structures can thus be const in DRM as well. Signed-off-by: Laurent Pinchart <[email protected]> Cc: Inki Dae <[email protected]> Cc: Alan Cox <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: Rob Clark <[email protected]> Reviewed-by: Alex Deucher <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
wangbin579 · May 22, 2012 · 78b6855 · 78b6855
1 parent 3b02ab8
commit 78b6855
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Showing 7 changed files with 7 additions and 7 deletions.
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -193,7 +193,7 @@ static void exynos_drm_lastclose(struct drm_device *dev)
 	exynos_drm_fbdev_restore_mode(dev);
 }
 
-static struct vm_operations_struct exynos_drm_gem_vm_ops = {
+static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
 	.fault = exynos_drm_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,

diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
@@ -153,7 +153,7 @@ static void psbfb_vm_close(struct vm_area_struct *vma)
 {
 }
 
-static struct vm_operations_struct psbfb_vm_ops = {
+static const struct vm_operations_struct psbfb_vm_ops = {
 	.fault	= psbfb_vm_fault,
 	.open	= psbfb_vm_open,
 	.close	= psbfb_vm_close

diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
@@ -595,7 +595,7 @@ static const struct dev_pm_ops psb_pm_ops = {
 	.runtime_idle = psb_runtime_idle,
 };
 
-static struct vm_operations_struct psb_gem_vm_ops = {
+static const struct vm_operations_struct psb_gem_vm_ops = {
 	.fault = psb_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
@@ -1012,7 +1012,7 @@ static const struct dev_pm_ops i915_pm_ops = {
 	.restore = i915_pm_resume,
 };
 
-static struct vm_operations_struct i915_gem_vm_ops = {
+static const struct vm_operations_struct i915_gem_vm_ops = {
 	.fault = i915_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
@@ -38,7 +38,7 @@ static void udl_usb_disconnect(struct usb_interface *interface)
 	drm_unplug_dev(dev);
 }
 
-static struct vm_operations_struct udl_gem_vm_ops = {
+static const struct vm_operations_struct udl_gem_vm_ops = {
 	.fault = udl_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,

diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
@@ -726,7 +726,7 @@ static void dev_irq_uninstall(struct drm_device *dev)
 	DBG("irq_uninstall: dev=%p", dev);
 }
 
-static struct vm_operations_struct omap_gem_vm_ops = {
+static const struct vm_operations_struct omap_gem_vm_ops = {
 	.fault = omap_gem_fault,
 	.open = drm_gem_vm_open,
 	.close = drm_gem_vm_close,

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
@@ -941,7 +941,7 @@ struct drm_driver {
 			    uint32_t handle);
 
 	/* Driver private ops for this object */
-	struct vm_operations_struct *gem_vm_ops;
+	const struct vm_operations_struct *gem_vm_ops;
 
 	int major;
 	int minor;