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tee: remove tee_shm_va2pa() and tee_shm_pa2va()
We should not need to index into SHMs based on absolute VA/PA. These functions are not used and this kind of usage should not be encouraged anyway. Remove these functions. Signed-off-by: Andrew Davis <afd@ti.com> Reviewed-by: Sumit Garg <sumit.garg@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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2 changed files with 0 additions and 68 deletions
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@ -414,56 +414,6 @@ void tee_shm_free(struct tee_shm *shm)
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}
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EXPORT_SYMBOL_GPL(tee_shm_free);
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/**
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* tee_shm_va2pa() - Get physical address of a virtual address
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* @shm: Shared memory handle
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* @va: Virtual address to tranlsate
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* @pa: Returned physical address
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* @returns 0 on success and < 0 on failure
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*/
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int tee_shm_va2pa(struct tee_shm *shm, void *va, phys_addr_t *pa)
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{
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if (!shm->kaddr)
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return -EINVAL;
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/* Check that we're in the range of the shm */
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if ((char *)va < (char *)shm->kaddr)
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return -EINVAL;
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if ((char *)va >= ((char *)shm->kaddr + shm->size))
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return -EINVAL;
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return tee_shm_get_pa(
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shm, (unsigned long)va - (unsigned long)shm->kaddr, pa);
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}
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EXPORT_SYMBOL_GPL(tee_shm_va2pa);
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/**
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* tee_shm_pa2va() - Get virtual address of a physical address
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* @shm: Shared memory handle
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* @pa: Physical address to tranlsate
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* @va: Returned virtual address
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* @returns 0 on success and < 0 on failure
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*/
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int tee_shm_pa2va(struct tee_shm *shm, phys_addr_t pa, void **va)
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{
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if (!shm->kaddr)
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return -EINVAL;
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/* Check that we're in the range of the shm */
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if (pa < shm->paddr)
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return -EINVAL;
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if (pa >= (shm->paddr + shm->size))
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return -EINVAL;
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if (va) {
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void *v = tee_shm_get_va(shm, pa - shm->paddr);
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if (IS_ERR(v))
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return PTR_ERR(v);
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*va = v;
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(tee_shm_pa2va);
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/**
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* tee_shm_get_va() - Get virtual address of a shared memory plus an offset
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* @shm: Shared memory handle
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@ -298,24 +298,6 @@ void tee_shm_free(struct tee_shm *shm);
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*/
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void tee_shm_put(struct tee_shm *shm);
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/**
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* tee_shm_va2pa() - Get physical address of a virtual address
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* @shm: Shared memory handle
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* @va: Virtual address to tranlsate
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* @pa: Returned physical address
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* @returns 0 on success and < 0 on failure
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*/
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int tee_shm_va2pa(struct tee_shm *shm, void *va, phys_addr_t *pa);
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/**
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* tee_shm_pa2va() - Get virtual address of a physical address
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* @shm: Shared memory handle
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* @pa: Physical address to tranlsate
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* @va: Returned virtual address
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* @returns 0 on success and < 0 on failure
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*/
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int tee_shm_pa2va(struct tee_shm *shm, phys_addr_t pa, void **va);
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/**
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* tee_shm_get_va() - Get virtual address of a shared memory plus an offset
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* @shm: Shared memory handle
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