[PATCH] staging: android: ion: refactory ion_alloc for kernel driver use

media buffer provider, it's more easier to maintain. 2. Fd is only needed by user processes, not the kernel space, so dma_buf should be returned instead of fd for kernel space, and dma_buf_fd should be called only for userspace api. Signed-off-by: Zeng Tao --- drivers/staging/android/ion/ion.c

[PATCH] staging: android: ion: add buffer flag update ioctl

ioctl command to target the requirement. Signed-off-by: Zeng Tao --- drivers/staging/android/ion/ion-ioctl.c | 4 drivers/staging/android/ion/ion.c | 17 + drivers/staging/android/ion/ion.h | 1 + drivers/staging/android/uapi/ion.h | 22