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tee: remove unused tee_shm_pool_alloc_res_mem()

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None of the drivers in the TEE subsystem uses
tee_shm_pool_alloc_res_mem() so remove the function.

Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
This commit is contained in:
Jens Wiklander 2022-02-04 10:33:51 +01:00
parent e7ddab0847
commit f41b6be1eb
2 changed files with 0 additions and 86 deletions
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56
drivers/tee/tee_shm_pool.c
View File

@ -47,62 +47,6 @@ static const struct tee_shm_pool_mgr_ops pool_ops_generic = {
.destroy_poolmgr = pool_op_gen_destroy_poolmgr,
};
/**
* tee_shm_pool_alloc_res_mem() - Create a shared memory pool from reserved
* memory range
* @priv_info: Information for driver private shared memory pool
* @dmabuf_info: Information for dma-buf shared memory pool
*
* Start and end of pools will must be page aligned.
*
* Allocation with the flag TEE_SHM_DMA_BUF set will use the range supplied
* in @dmabuf, others will use the range provided by @priv.
*
* @returns pointer to a 'struct tee_shm_pool' or an ERR_PTR on failure.
*/
struct tee_shm_pool *
tee_shm_pool_alloc_res_mem(struct tee_shm_pool_mem_info *priv_info,
struct tee_shm_pool_mem_info *dmabuf_info)
{
struct tee_shm_pool_mgr *priv_mgr;
struct tee_shm_pool_mgr *dmabuf_mgr;
void *rc;
/*
* Create the pool for driver private shared memory
*/
rc = tee_shm_pool_mgr_alloc_res_mem(priv_info->vaddr, priv_info->paddr,
priv_info->size,
3 /* 8 byte aligned */);
if (IS_ERR(rc))
return rc;
priv_mgr = rc;
/*
* Create the pool for dma_buf shared memory
*/
rc = tee_shm_pool_mgr_alloc_res_mem(dmabuf_info->vaddr,
dmabuf_info->paddr,
dmabuf_info->size, PAGE_SHIFT);
if (IS_ERR(rc))
goto err_free_priv_mgr;
dmabuf_mgr = rc;
rc = tee_shm_pool_alloc(priv_mgr, dmabuf_mgr);
if (IS_ERR(rc))
goto err_free_dmabuf_mgr;
return rc;
err_free_dmabuf_mgr:
tee_shm_pool_mgr_destroy(dmabuf_mgr);
err_free_priv_mgr:
tee_shm_pool_mgr_destroy(priv_mgr);
return rc;
}
EXPORT_SYMBOL_GPL(tee_shm_pool_alloc_res_mem);
struct tee_shm_pool_mgr *tee_shm_pool_mgr_alloc_res_mem(unsigned long vaddr,
phys_addr_t paddr,
size_t size,

30
include/linux/tee_drv.h
View File

@ -278,36 +278,6 @@ static inline void tee_shm_pool_mgr_destroy(struct tee_shm_pool_mgr *poolm)
poolm->ops->destroy_poolmgr(poolm);
}
/**
* struct tee_shm_pool_mem_info - holds information needed to create a shared
* memory pool
* @vaddr: Virtual address of start of pool
* @paddr: Physical address of start of pool
* @size: Size in bytes of the pool
*/
struct tee_shm_pool_mem_info {
unsigned long vaddr;
phys_addr_t paddr;
size_t size;
};
/**
* tee_shm_pool_alloc_res_mem() - Create a shared memory pool from reserved
* memory range
* @priv_info: Information for driver private shared memory pool
* @dmabuf_info: Information for dma-buf shared memory pool
*
* Start and end of pools will must be page aligned.
*
* Allocation with the flag TEE_SHM_DMA_BUF set will use the range supplied
* in @dmabuf, others will use the range provided by @priv.
*
* @returns pointer to a 'struct tee_shm_pool' or an ERR_PTR on failure.
*/
struct tee_shm_pool *
tee_shm_pool_alloc_res_mem(struct tee_shm_pool_mem_info *priv_info,
struct tee_shm_pool_mem_info *dmabuf_info);
/**
* tee_shm_pool_free() - Free a shared memory pool
* @pool: The shared memory pool to free