aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorGustavo Padovan <gustavo.padovan@collabora.co.uk>2016-04-28 10:46:58 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-29 17:37:10 -0700
commit62304fb1fc0801925568e191261b650e1546ce8c (patch)
tree08b95e26606d3bd4cf8f4a097fbcfa1fbc11e677
parent460bfc41fd52959311ed0328163f785e023857af (diff)
dma-buf/sync_file: de-stage sync_file
sync_file is useful to connect one or more fences to the file. The file is used by userspace to track fences between drivers that share DMA bufs. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/Kconfig2
-rw-r--r--drivers/dma-buf/Kconfig11
-rw-r--r--drivers/dma-buf/Makefile1
-rw-r--r--drivers/dma-buf/sync_file.c (renamed from drivers/staging/android/sync_file.c)0
-rw-r--r--drivers/staging/android/Kconfig1
-rw-r--r--drivers/staging/android/Makefile2
6 files changed, 16 insertions, 1 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index d2ac339..430f761 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -114,6 +114,8 @@ source "drivers/rtc/Kconfig"
source "drivers/dma/Kconfig"
+source "drivers/dma-buf/Kconfig"
+
source "drivers/dca/Kconfig"
source "drivers/auxdisplay/Kconfig"
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig
new file mode 100644
index 0000000..9824bc4
--- /dev/null
+++ b/drivers/dma-buf/Kconfig
@@ -0,0 +1,11 @@
+menu "DMABUF options"
+
+config SYNC_FILE
+ bool "sync_file support for fences"
+ default n
+ select ANON_INODES
+ select DMA_SHARED_BUFFER
+ ---help---
+ This option enables the fence framework synchronization to export
+ sync_files to userspace that can represent one or more fences.
+endmenu
diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile
index 57a675f..4a424ec 100644
--- a/drivers/dma-buf/Makefile
+++ b/drivers/dma-buf/Makefile
@@ -1 +1,2 @@
obj-y := dma-buf.o fence.o reservation.o seqno-fence.o
+obj-$(CONFIG_SYNC_FILE) += sync_file.o
diff --git a/drivers/staging/android/sync_file.c b/drivers/dma-buf/sync_file.c
index f08cf2d..f08cf2d 100644
--- a/drivers/staging/android/sync_file.c
+++ b/drivers/dma-buf/sync_file.c
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index 68042ab..6480f60 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -38,6 +38,7 @@ config SW_SYNC
bool "Software synchronization objects"
default n
depends on SYNC
+ depends on SYNC_FILE
---help---
A sync object driver that uses a 32bit counter to coordinate
synchronization. Useful when there is no hardware primitive backing
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile
index ebc2df1..980d6dc 100644
--- a/drivers/staging/android/Makefile
+++ b/drivers/staging/android/Makefile
@@ -4,5 +4,5 @@ obj-y += ion/
obj-$(CONFIG_ASHMEM) += ashmem.o
obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o
-obj-$(CONFIG_SYNC) += sync_file.o sync.o sync_debug.o
+obj-$(CONFIG_SYNC) += sync.o sync_debug.o
obj-$(CONFIG_SW_SYNC) += sw_sync.o