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authorJens Wiklander <jens.wiklander@linaro.org>2019-11-07 11:42:52 +0100
committerJens Wiklander <jens.wiklander@linaro.org>2020-02-28 13:37:42 +0100
commitc180f9bbe29a403459dd76422f435382aec6adaa (patch)
tree4e1f48e1eff2df659e42bca1e35a92cb44682df7 /drivers/tee
parent59a135f6fb669f4f79f43160c7b8c8d6bfb37f75 (diff)
downloadlinux-c180f9bbe29a403459dd76422f435382aec6adaa.tar.bz2
tee: remove unused tee_shm_priv_alloc()
tee_shm_priv_alloc() isn't useful in the current state and it's also not not used so remove it. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee')
-rw-r--r--drivers/tee/tee_shm.c33
1 files changed, 2 insertions, 31 deletions
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
index 99f1c890ca3d..b666854c2491 100644
--- a/drivers/tee/tee_shm.c
+++ b/drivers/tee/tee_shm.c
@@ -89,20 +89,14 @@ static const struct dma_buf_ops tee_shm_dma_buf_ops = {
.mmap = tee_shm_op_mmap,
};
-static struct tee_shm *__tee_shm_alloc(struct tee_context *ctx,
- struct tee_device *teedev,
- size_t size, u32 flags)
+struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags)
{
+ struct tee_device *teedev = ctx->teedev;
struct tee_shm_pool_mgr *poolm = NULL;
struct tee_shm *shm;
void *ret;
int rc;
- if (ctx && ctx->teedev != teedev) {
- dev_err(teedev->dev.parent, "ctx and teedev mismatch\n");
- return ERR_PTR(-EINVAL);
- }
-
if (!(flags & TEE_SHM_MAPPED)) {
dev_err(teedev->dev.parent,
"only mapped allocations supported\n");
@@ -182,31 +176,8 @@ err_dev_put:
tee_device_put(teedev);
return ret;
}
-
-/**
- * tee_shm_alloc() - Allocate shared memory
- * @ctx: Context that allocates the shared memory
- * @size: Requested size of shared memory
- * @flags: Flags setting properties for the requested shared memory.
- *
- * Memory allocated as global shared memory is automatically freed when the
- * TEE file pointer is closed. The @flags field uses the bits defined by
- * TEE_SHM_* in <linux/tee_drv.h>. TEE_SHM_MAPPED must currently always be
- * set. If TEE_SHM_DMA_BUF global shared memory will be allocated and
- * associated with a dma-buf handle, else driver private memory.
- */
-struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags)
-{
- return __tee_shm_alloc(ctx, ctx->teedev, size, flags);
-}
EXPORT_SYMBOL_GPL(tee_shm_alloc);
-struct tee_shm *tee_shm_priv_alloc(struct tee_device *teedev, size_t size)
-{
- return __tee_shm_alloc(NULL, teedev, size, TEE_SHM_MAPPED);
-}
-EXPORT_SYMBOL_GPL(tee_shm_priv_alloc);
-
struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr,
size_t length, u32 flags)
{