diff options
Diffstat (limited to 'drivers/staging/android/Kconfig')
| -rw-r--r-- | drivers/staging/android/Kconfig | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index 465a28c08f2..99e484f845f 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -2,7 +2,6 @@ menu "Android" config ANDROID bool "Android Drivers" - default N ---help--- Enable support for various drivers needed on the Android platform @@ -10,6 +9,7 @@ if ANDROID config ANDROID_BINDER_IPC bool "Android Binder IPC Driver" + depends on MMU default n ---help--- Binder is used in Android for both communication between processes, @@ -19,10 +19,23 @@ config ANDROID_BINDER_IPC Android process, using Binder to identify, invoke and pass arguments between said processes. +config ANDROID_BINDER_IPC_32BIT + bool + depends on !64BIT && ANDROID_BINDER_IPC + default y + ---help--- + The Binder API has been changed to support both 32 and 64bit + applications in a mixed environment. + + Enable this to support an old 32-bit Android user-space (v4.4 and + earlier). + + Note that enabling this will break newer Android user-space. + config ASHMEM bool "Enable the Anonymous Shared Memory Subsystem" default n - depends on SHMEM || TINY_SHMEM + depends on SHMEM ---help--- The ashmem subsystem is a new shared memory allocator, similar to POSIX SHM but with different behavior and sporting a simpler @@ -54,12 +67,11 @@ config ANDROID_TIMED_OUTPUT config ANDROID_TIMED_GPIO tristate "Android timed gpio driver" - depends on GENERIC_GPIO && ANDROID_TIMED_OUTPUT + depends on GPIOLIB && ANDROID_TIMED_OUTPUT default n config ANDROID_LOW_MEMORY_KILLER bool "Android Low Memory Killer" - default N ---help--- Registers processes to be killed when memory is low @@ -72,6 +84,35 @@ config ANDROID_INTF_ALARM_DEV elapsed realtime, and a non-wakeup alarm on the monotonic clock. Also exports the alarm interface to user-space. +config SYNC + bool "Synchronization framework" + default n + select ANON_INODES + ---help--- + This option enables the framework for synchronization between multiple + drivers. Sync implementations can take advantage of hardware + synchronization built into devices like GPUs. + +config SW_SYNC + bool "Software synchronization objects" + default n + depends on SYNC + ---help--- + A sync object driver that uses a 32bit counter to coordinate + syncrhronization. Useful when there is no hardware primitive backing + the synchronization. + +config SW_SYNC_USER + bool "Userspace API for SW_SYNC" + default n + depends on SW_SYNC + ---help--- + Provides a user space API to the sw sync object. + *WARNING* improper use of this can result in deadlocking kernel + drivers from userspace. + +source "drivers/staging/android/ion/Kconfig" + endif # if ANDROID endmenu |