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tee: remove linked list of struct tee_shm

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Removes list_shm from struct tee_context since the linked list isn't used
any longer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Jens Wiklander 2019-11-07 11:42:49 +01:00
parent 11a48a5a18
commit 59a135f6fb
3 changed files with 1 additions and 15 deletions
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1
drivers/tee/tee_core.c
View file

@ -44,7 +44,6 @@ static struct tee_context *teedev_open(struct tee_device *teedev)
kref_init(&ctx->refcount);
ctx->teedev = teedev;
INIT_LIST_HEAD(&ctx->list_shm);
rc = teedev->desc->ops->open(ctx);
if (rc)
goto err;

12
drivers/tee/tee_shm.c
View file

@ -17,8 +17,6 @@ static void tee_shm_release(struct tee_shm *shm)
mutex_lock(&teedev->mutex);
idr_remove(&teedev->idr, shm->id);
if (shm->ctx)
list_del(&shm->link);
mutex_unlock(&teedev->mutex);
if (shm->flags & TEE_SHM_POOL) {
@ -168,12 +166,8 @@ static struct tee_shm *__tee_shm_alloc(struct tee_context *ctx,
}
}
if (ctx) {
if (ctx)
teedev_ctx_get(ctx);
mutex_lock(&teedev->mutex);
list_add_tail(&shm->link, &ctx->list_shm);
mutex_unlock(&teedev->mutex);
}
return shm;
err_rem:
@ -301,10 +295,6 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr,
}
}
mutex_lock(&teedev->mutex);
list_add_tail(&shm->link, &ctx->list_shm);
mutex_unlock(&teedev->mutex);
return shm;
err:
if (shm) {

3
include/linux/tee_drv.h
View file

@ -49,7 +49,6 @@ struct tee_shm_pool;
*/
struct tee_context {
struct tee_device *teedev;
struct list_head list_shm;
void *data;
struct kref refcount;
bool releasing;
@ -170,7 +169,6 @@ 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
* @link link element
* @paddr: physical address of the shared memory
* @kaddr: virtual address of the shared memory
* @size: size of shared memory
@ -187,7 +185,6 @@ void tee_device_unregister(struct tee_device *teedev);
struct tee_shm {
struct tee_device *teedev;
struct tee_context *ctx;
struct list_head link;
phys_addr_t paddr;
void *kaddr;
size_t size;