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| author | Arnd Bergmann <arnd@arndb.de> | 2022-05-06 22:02:10 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2022-05-06 22:02:12 +0200 |
| commit | 728c0d29415a3a0ac998175e0e3ad470edbfbfa8 (patch) | |
| tree | a3d1665e5bbe39d8939df1e563f4101415bf7d2d /drivers/tee | |
| parent | 7ad7ab903681cc7ac2ee7be00d85ad63bfa78d08 (diff) | |
| parent | d8fc1c7c4c9b705ce5f5bba772ad66a0137c685d (diff) | |
| download | linux-stable-728c0d29415a3a0ac998175e0e3ad470edbfbfa8.tar.gz linux-stable-728c0d29415a3a0ac998175e0e3ad470edbfbfa8.tar.bz2 linux-stable-728c0d29415a3a0ac998175e0e3ad470edbfbfa8.zip | |
Merge tag 'tee-cleanup-for-v5.19' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers
TEE cleanup
Removes the old and unused TEE_IOCTL_SHM_* flags
Removes unused the unused tee_shm_va2pa() and tee_shm_pa2va() functions
* tag 'tee-cleanup-for-v5.19' of https://git.linaro.org/people/jens.wiklander/linux-tee:
tee: remove flags TEE_IOCTL_SHM_MAPPED and TEE_IOCTL_SHM_DMA_BUF
tee: remove tee_shm_va2pa() and tee_shm_pa2va()
Link: https://lore.kernel.org/r/20220506070328.GA1344495@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/tee_core.c | 2 | ||||
| -rw-r--r-- | drivers/tee/tee_shm.c | 50 |
2 files changed, 0 insertions, 52 deletions
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 8aa1a4836b92..af0f7c603fa4 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -302,7 +302,6 @@ static int tee_ioctl_shm_alloc(struct tee_context *ctx, return PTR_ERR(shm); data.id = shm->id; - data.flags = shm->flags; data.size = shm->size; if (copy_to_user(udata, &data, sizeof(data))) @@ -339,7 +338,6 @@ tee_ioctl_shm_register(struct tee_context *ctx, return PTR_ERR(shm); data.id = shm->id; - data.flags = shm->flags; data.length = shm->size; if (copy_to_user(udata, &data, sizeof(data))) diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index 836872467dc6..f2b1bcefcadd 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -430,56 +430,6 @@ void tee_shm_free(struct tee_shm *shm) EXPORT_SYMBOL_GPL(tee_shm_free); /** - * tee_shm_va2pa() - Get physical address of a virtual address - * @shm: Shared memory handle - * @va: Virtual address to tranlsate - * @pa: Returned physical address - * @returns 0 on success and < 0 on failure - */ -int tee_shm_va2pa(struct tee_shm *shm, void *va, phys_addr_t *pa) -{ - if (!shm->kaddr) - return -EINVAL; - /* Check that we're in the range of the shm */ - if ((char *)va < (char *)shm->kaddr) - return -EINVAL; - if ((char *)va >= ((char *)shm->kaddr + shm->size)) - return -EINVAL; - - return tee_shm_get_pa( - shm, (unsigned long)va - (unsigned long)shm->kaddr, pa); -} -EXPORT_SYMBOL_GPL(tee_shm_va2pa); - -/** - * tee_shm_pa2va() - Get virtual address of a physical address - * @shm: Shared memory handle - * @pa: Physical address to tranlsate - * @va: Returned virtual address - * @returns 0 on success and < 0 on failure - */ -int tee_shm_pa2va(struct tee_shm *shm, phys_addr_t pa, void **va) -{ - if (!shm->kaddr) - return -EINVAL; - /* Check that we're in the range of the shm */ - if (pa < shm->paddr) - return -EINVAL; - if (pa >= (shm->paddr + shm->size)) - return -EINVAL; - - if (va) { - void *v = tee_shm_get_va(shm, pa - shm->paddr); - - if (IS_ERR(v)) - return PTR_ERR(v); - *va = v; - } - return 0; -} -EXPORT_SYMBOL_GPL(tee_shm_pa2va); - -/** * tee_shm_get_va() - Get virtual address of a shared memory plus an offset * @shm: Shared memory handle * @offs: Offset from start of this shared memory |