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| author | Jens Wiklander <jens.wiklander@linaro.org> | 2019-11-07 11:42:59 +0100 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2020-02-28 13:37:42 +0100 |
| commit | 5271b2011e448f1be7433554e4684e91951476fa (patch) | |
| tree | 87fd7b7d9975f68c4585e6fdd6b2dce38206a3a9 | |
| parent | f1bbacedb0af640a93e47799203e556be2825da3 (diff) | |
| download | linux-5271b2011e448f1be7433554e4684e91951476fa.tar.gz linux-5271b2011e448f1be7433554e4684e91951476fa.tar.bz2 linux-5271b2011e448f1be7433554e4684e91951476fa.zip | |
tee: remove redundant teedev in struct tee_shm
The ctx element in struct tee_shm is always valid. So remove the now
redundant teedev element.
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
| -rw-r--r-- | drivers/tee/tee_shm.c | 7 | ||||
| -rw-r--r-- | include/linux/tee_drv.h | 4 |
2 files changed, 3 insertions, 8 deletions
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 02210f179ae3..b01d2b7eea71 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -13,7 +13,7 @@ static void tee_shm_release(struct tee_shm *shm) { - struct tee_device *teedev = shm->teedev; + struct tee_device *teedev = shm->ctx->teedev; if (shm->flags & TEE_SHM_DMA_BUF) { mutex_lock(&teedev->mutex); @@ -44,8 +44,7 @@ static void tee_shm_release(struct tee_shm *shm) kfree(shm->pages); } - if (shm->ctx) - teedev_ctx_put(shm->ctx); + teedev_ctx_put(shm->ctx); kfree(shm); @@ -126,7 +125,6 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags) } shm->flags = flags | TEE_SHM_POOL; - shm->teedev = teedev; shm->ctx = ctx; if (flags & TEE_SHM_DMA_BUF) poolm = teedev->pool->dma_buf_mgr; @@ -215,7 +213,6 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, } shm->flags = flags | TEE_SHM_REGISTER; - shm->teedev = teedev; shm->ctx = ctx; shm->id = -1; addr = untagged_addr(addr); diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index 42687f6c546d..1412e9cc79ce 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -167,8 +167,7 @@ void tee_device_unregister(struct tee_device *teedev); /** * struct tee_shm - shared memory object - * @teedev: device used to allocate the object - * @ctx: context using the object, if NULL the context is gone + * @ctx: context using the object * @paddr: physical address of the shared memory * @kaddr: virtual address of the shared memory * @size: size of shared memory @@ -183,7 +182,6 @@ void tee_device_unregister(struct tee_device *teedev); * subsystem and from drivers that implements their own shm pool manager. */ struct tee_shm { - struct tee_device *teedev; struct tee_context *ctx; phys_addr_t paddr; void *kaddr; |