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[98.128.249.223]) by smtp.gmail.com with ESMTPSA id u16sm2887724ljo.22.2020.01.09.04.37.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jan 2020 04:37:24 -0800 (PST) From: Jens Wiklander To: tee-dev@lists.linaro.org, linux-kernel@vger.kernel.org Cc: Jerome Forissier , Sumit Garg , Etienne Carriere , Rijo Thomas , Devaraj Rangasamy , Jens Wiklander Subject: [PATCH 4/5] tee: remove redundant teedev in struct tee_shm Date: Thu, 9 Jan 2020 13:36:50 +0100 Message-Id: <20200109123651.18520-5-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200109123651.18520-1-jens.wiklander@linaro.org> References: <20200109123651.18520-1-jens.wiklander@linaro.org> The ctx element in struct tee_shm is always valid. So remove the now redundant teedev element. Signed-off-by: Jens Wiklander --- drivers/tee/tee_shm.c | 7 ++----- include/linux/tee_drv.h | 4 +--- 2 files changed, 3 insertions(+), 8 deletions(-) -- 2.17.1 diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index e636cf82acdb..c64ec5c5e464 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -13,7 +13,7 @@ static void tee_shm_release(struct tee_shm *shm) { - struct tee_device *teedev = shm->teedev; + struct tee_device *teedev = shm->ctx->teedev; if (shm->flags & TEE_SHM_DMA_BUF) { mutex_lock(&teedev->mutex); @@ -44,8 +44,7 @@ static void tee_shm_release(struct tee_shm *shm) kfree(shm->pages); } - if (shm->ctx) - teedev_ctx_put(shm->ctx); + teedev_ctx_put(shm->ctx); kfree(shm); @@ -132,7 +131,6 @@ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags) } shm->flags = flags | TEE_SHM_POOL; - shm->teedev = teedev; shm->ctx = ctx; if (flags & TEE_SHM_DMA_BUF) poolm = teedev->pool->dma_buf_mgr; @@ -221,7 +219,6 @@ struct tee_shm *tee_shm_register(struct tee_context *ctx, unsigned long addr, } shm->flags = flags | TEE_SHM_REGISTER; - shm->teedev = teedev; shm->ctx = ctx; shm->id = -1; addr = untagged_addr(addr); diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index 42687f6c546d..1412e9cc79ce 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -167,8 +167,7 @@ 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 + * @ctx: context using the object * @paddr: physical address of the shared memory * @kaddr: virtual address of the shared memory * @size: size of shared memory @@ -183,7 +182,6 @@ void tee_device_unregister(struct tee_device *teedev); * subsystem and from drivers that implements their own shm pool manager. */ struct tee_shm { - struct tee_device *teedev; struct tee_context *ctx; phys_addr_t paddr; void *kaddr;