[Intel-gfx] [PATCH 09/15] agp: kill agp_flush_chipset and corresponding ioctl

[Daniel Vetter]

The intel drm calls the chipset functions now directly. Userspace
never called the corresponding ioctl, hence it can be killed, too.

Cc: Dave Airlie <airlied at gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/char/agp/agp.h          |    1 -
 drivers/char/agp/compat_ioctl.c |    1 -
 drivers/char/agp/compat_ioctl.h |    1 -
 drivers/char/agp/frontend.c     |    8 --------
 drivers/char/agp/generic.c      |    7 -------
 drivers/char/agp/intel-gtt.c    |    6 ------
 include/linux/agp_backend.h     |    1 -
 7 files changed, 0 insertions(+), 25 deletions(-)

diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 5259065..3e67ddd 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -120,7 +120,6 @@ struct agp_bridge_driver {
 	void (*agp_destroy_page)(struct page *, int flags);
 	void (*agp_destroy_pages)(struct agp_memory *);
 	int (*agp_type_to_mask_type) (struct agp_bridge_data *, int);
-	void (*chipset_flush)(struct agp_bridge_data *);
 };
 
 struct agp_bridge_data {
diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c
index 9d2c97a..a48e05b 100644
--- a/drivers/char/agp/compat_ioctl.c
+++ b/drivers/char/agp/compat_ioctl.c
@@ -276,7 +276,6 @@ long compat_agp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		break;
 
 	case AGPIOC_CHIPSET_FLUSH32:
-		ret_val = agpioc_chipset_flush_wrap(curr_priv);
 		break;
 	}
 
diff --git a/drivers/char/agp/compat_ioctl.h b/drivers/char/agp/compat_ioctl.h
index 0c9678a..f30e0fd 100644
--- a/drivers/char/agp/compat_ioctl.h
+++ b/drivers/char/agp/compat_ioctl.h
@@ -102,6 +102,5 @@ void agp_free_memory_wrap(struct agp_memory *memory);
 struct agp_memory *agp_allocate_memory_wrap(size_t pg_count, u32 type);
 struct agp_memory *agp_find_mem_by_key(int key);
 struct agp_client *agp_find_client_by_pid(pid_t id);
-int agpioc_chipset_flush_wrap(struct agp_file_private *priv);
 
 #endif /* _AGP_COMPAT_H */
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index 43412c0..0fbd898 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -958,13 +958,6 @@ static int agpioc_unbind_wrap(struct agp_file_private *priv, void __user *arg)
 	return agp_unbind_memory(memory);
 }
 
-int agpioc_chipset_flush_wrap(struct agp_file_private *priv)
-{
-	DBG("");
-	agp_flush_chipset(agp_bridge);
-	return 0;
-}
-
 static long agp_ioctl(struct file *file,
 		     unsigned int cmd, unsigned long arg)
 {
@@ -1040,7 +1033,6 @@ static long agp_ioctl(struct file *file,
 		break;
 	       
 	case AGPIOC_CHIPSET_FLUSH:
-		ret_val = agpioc_chipset_flush_wrap(curr_priv);
 		break;
 	}
 
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index 4956f1c..78bc8de 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -81,13 +81,6 @@ static int agp_get_key(void)
 	return -1;
 }
 
-void agp_flush_chipset(struct agp_bridge_data *bridge)
-{
-	if (bridge->driver->chipset_flush)
-		bridge->driver->chipset_flush(bridge);
-}
-EXPORT_SYMBOL(agp_flush_chipset);
-
 /*
  * Use kmalloc if possible for the page list. Otherwise fall back to
  * vmalloc. This speeds things up and also saves memory for small AGP
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 853128a..d633e9d 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1021,11 +1021,6 @@ static int intel_fake_agp_remove_entries(struct agp_memory *mem,
 	return 0;
 }
 
-static void intel_fake_agp_chipset_flush(struct agp_bridge_data *bridge)
-{
-	intel_private.driver->chipset_flush();
-}
-
 static struct agp_memory *intel_fake_agp_alloc_by_type(size_t pg_count,
 						       int type)
 {
@@ -1259,7 +1254,6 @@ static const struct agp_bridge_driver intel_fake_agp_driver = {
 	.agp_alloc_pages        = agp_generic_alloc_pages,
 	.agp_destroy_page	= agp_generic_destroy_page,
 	.agp_destroy_pages      = agp_generic_destroy_pages,
-	.chipset_flush		= intel_fake_agp_chipset_flush,
 };
 
 static const struct intel_gtt_driver i81x_gtt_driver = {
diff --git a/include/linux/agp_backend.h b/include/linux/agp_backend.h
index 09ea4a1..a479b48 100644
--- a/include/linux/agp_backend.h
+++ b/include/linux/agp_backend.h
@@ -106,6 +106,5 @@ extern int agp_rebind_memory(void);
 extern void agp_enable(struct agp_bridge_data *, u32);
 extern struct agp_bridge_data *agp_backend_acquire(struct pci_dev *);
 extern void agp_backend_release(struct agp_bridge_data *);
-extern void agp_flush_chipset(struct agp_bridge_data *);
 
 #endif				/* _AGP_BACKEND_H */
-- 
1.7.1