From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0ADEDC433EF for ; Tue, 18 Jan 2022 12:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241471AbiARMMb (ORCPT ); Tue, 18 Jan 2022 07:12:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231645AbiARMMa (ORCPT ); Tue, 18 Jan 2022 07:12:30 -0500 Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F513C061574 for ; Tue, 18 Jan 2022 04:12:29 -0800 (PST) Received: by mail-lf1-x135.google.com with SMTP id o12so53072165lfu.12 for ; Tue, 18 Jan 2022 04:12:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=O0nO+p0mq+fNTi0hni+PrFNutDwLefWblmd/crLHIYA=; b=c5MkvKz3tw6WehTzvGkTSapgdZqH37RI/Ggpn3ABaoOMcuSIKaXpptGFqfyvQPJzAX Lbqiz9O1eOY34Sp7HHSF7x04xM1AZhWcDLB5PYfxxrbCzrfJmBcjrWxf1xRF4lcuTkAZ +iocIoGaLzSm39rt3hniekTUmsSfcEYd76fNHV7Pfm6yloVq9e2dizU+218JMPjziWjY yXE9cGw7Qzs7XrqWNXLZKcyND1KoA5WzKJjB5nIs6PUecZX7LJwKjf9vN0zxbfhN1J2C AYc9wOFvLsSdcbBhEadamDZNWM2TsmkC6iGJovLIiz44dg7pqTnLCCYsp2ZuMABRWG3P H3pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=O0nO+p0mq+fNTi0hni+PrFNutDwLefWblmd/crLHIYA=; b=V7d6cNylALmt2WOZbzC+jfaTdHwDVwg67noNggHBWEA5tjdm+FZCEvnojQ1GY4OreV fIgDcoMDm1X1H2guqXVx7XpYDIbeL3QjcA4hPTVGojV8rho7Di9apR90WvInYC5vwi6c dz8eQIpzef7Z8etYtUY211kY2MmRQk+4dZ7Oypg8p84GU/xICyOdkY04KF8wk1zS3f49 63tNxFv23Fnb8g8NkgtxCSSUVV4Jh1mWIc5OrwJ8AbirXNStldbPGU41N1gGLJHMStz6 ryqpHG3088Z/Bf+x7tiRNTGQmWfIKyylp3FcQoUJgyILqivW6SzvwVCqnny3Lh3f3wl7 +7Ow== X-Gm-Message-State: AOAM530cRQ8vBQAm4xVXcKCUDSOv/z/rlsk4fzwni7VasLyM4A7Xe7p6 C8zg2extEhcl773buZdveT+qGrn0N/ufukikgFOrGw== X-Google-Smtp-Source: ABdhPJwNkDZ0ELEXfXMdLuXClxR/z96DJExiguJEonSNk178iRMlQYAf8DHl3quU8Wz5IuMrUT4C0SP8P7DNrqLwtkM= X-Received: by 2002:ac2:4d59:: with SMTP id 25mr20046985lfp.327.1642507947618; Tue, 18 Jan 2022 04:12:27 -0800 (PST) MIME-Version: 1.0 References: <20220114150824.3578829-1-jens.wiklander@linaro.org> <20220114150824.3578829-2-jens.wiklander@linaro.org> In-Reply-To: <20220114150824.3578829-2-jens.wiklander@linaro.org> From: Sumit Garg Date: Tue, 18 Jan 2022 17:42:16 +0530 Message-ID: Subject: Re: [PATCH v2 01/12] hwrng: optee-rng: use tee_shm_alloc_kernel_buf() To: Jens Wiklander Cc: linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org, Herbert Xu , Devaraj Rangasamy , Rijo Thomas , David Howells , Tyler Hicks Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 14 Jan 2022 at 20:38, Jens Wiklander wrote: > > Uses the new simplified tee_shm_alloc_kernel_buf() function instead of > the old deprecated tee_shm_alloc() function which required specific > TEE_SHM-flags. > > Signed-off-by: Jens Wiklander > --- > drivers/char/hw_random/optee-rng.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > Reviewed-by: Sumit Garg -Sumit > diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c > index 135a82590923..a948c0727b2b 100644 > --- a/drivers/char/hw_random/optee-rng.c > +++ b/drivers/char/hw_random/optee-rng.c > @@ -145,10 +145,10 @@ static int optee_rng_init(struct hwrng *rng) > struct optee_rng_private *pvt_data = to_optee_rng_private(rng); > struct tee_shm *entropy_shm_pool = NULL; > > - entropy_shm_pool = tee_shm_alloc(pvt_data->ctx, MAX_ENTROPY_REQ_SZ, > - TEE_SHM_MAPPED | TEE_SHM_DMA_BUF); > + entropy_shm_pool = tee_shm_alloc_kernel_buf(pvt_data->ctx, > + MAX_ENTROPY_REQ_SZ); > if (IS_ERR(entropy_shm_pool)) { > - dev_err(pvt_data->dev, "tee_shm_alloc failed\n"); > + dev_err(pvt_data->dev, "tee_shm_alloc_kernel_buf failed\n"); > return PTR_ERR(entropy_shm_pool); > } > > -- > 2.31.1 >