From patchwork Wed Jan 10 04:02:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 10153923 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B01A760223 for ; Wed, 10 Jan 2018 04:03:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9F3EB27853 for ; Wed, 10 Jan 2018 04:03:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9413E27861; Wed, 10 Jan 2018 04:03:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F228827853 for ; Wed, 10 Jan 2018 04:03:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965204AbeAJEC4 (ORCPT ); Tue, 9 Jan 2018 23:02:56 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:58482 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S965185AbeAJEC4 (ORCPT ); Tue, 9 Jan 2018 23:02:56 -0500 X-UUID: cb4eb766d1b748b893842399929b11a4-20180110 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 341687838; Wed, 10 Jan 2018 12:02:50 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Wed, 10 Jan 2018 12:02:48 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Wed, 10 Jan 2018 12:02:48 +0800 From: To: , , , , , CC: , , , , , Sean Wang Subject: [PATCH] hw_random: mediatek: Setup default RNG quality Date: Wed, 10 Jan 2018 12:02:46 +0800 Message-ID: <134f98ae3270cc6040121cf75d50c916adfe58dc.1515556571.git.sean.wang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-MTK: N Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Sean Wang When hw_random device's quality is non-zero, it will automatically fill the kernel's entropy pool at boot. For the purpose, one conservative quality value is being picked up as the default value. Signed-off-by: Sean Wang --- drivers/char/hw_random/mtk-rng.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 8da7bcf..7f99cd5 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -135,6 +135,7 @@ static int mtk_rng_probe(struct platform_device *pdev) #endif priv->rng.read = mtk_rng_read; priv->rng.priv = (unsigned long)&pdev->dev; + priv->rng.quality = 900; priv->clk = devm_clk_get(&pdev->dev, "rng"); if (IS_ERR(priv->clk)) {