From patchwork Mon Jul 27 12:45:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Eggers X-Patchwork-Id: 11686849 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 21D0F1392 for ; Mon, 27 Jul 2020 12:54:03 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EE752206E7 for ; Mon, 27 Jul 2020 12:54:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="vvcf+/dy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE752206E7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arri.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Em59MfQ/HpzUiQv6bqDA7dLt0CSuW0KfkC6ZAkoADWQ=; b=vvcf+/dy+1ntdbtwEmirNh1lF VBnRMsSV6Br90lSOQq3ZplEoPhxA/3f2K+Y+hNzqSxD+qkIAwLzn8CtmfOPp/cj0kLCOo3ezKjHl7 cBQEvxBqlyeuFkqfFSNYfVHWbrz+ZzlyQW+6tm5fkcaNTzZkaKUQicNVYTsp7cbBBXapflE7EFIJ1 /bx0h3pq39iWkHJqjM9w1MU5DdnykZ5EWGX7dYaE/YvNRcY43qhp+L6FHBckencEhD259gM50T518 qQtGEUXsAhKb5hz8P+eia/rEjpYreTTJht5H/qp6zRZXqW5CjMjgmBpwbenv3oYMTT535u+KA9bud gHext3qPg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k02cK-00027t-Hu; Mon, 27 Jul 2020 12:52:32 +0000 Received: from mailout06.rmx.de ([94.199.90.92]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k02cI-00027B-70 for linux-arm-kernel@lists.infradead.org; Mon, 27 Jul 2020 12:52:31 +0000 Received: from kdin01.retarus.com (kdin01.dmz1.retloc [172.19.17.48]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mailout06.rmx.de (Postfix) with ESMTPS id 4BFfpc4w6hz9w5h; Mon, 27 Jul 2020 14:52:24 +0200 (CEST) Received: from mta.arri.de (unknown [217.111.95.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by kdin01.retarus.com (Postfix) with ESMTPS id 4BFfnb69cVz2xbN; Mon, 27 Jul 2020 14:51:31 +0200 (CEST) Received: from N95HX1G2.wgnetz.xx (192.168.54.121) by mta.arri.de (192.168.100.104) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 27 Jul 2020 14:49:43 +0200 From: Christian Eggers To: Fabio Estevam Subject: [PATCH] hwrng: imx-rngc - setup default RNG quality Date: Mon, 27 Jul 2020 14:45:53 +0200 Message-ID: <20200727124552.4336-1-ceggers@arri.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [192.168.54.121] X-RMX-ID: 20200727-145137-4BFfnb69cVz2xbN-0@kdin01 X-RMX-SOURCE: 217.111.95.66 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200727_085230_388112_120490BA X-CRM114-Status: GOOD ( 17.31 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [94.199.90.92 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [94.199.90.92 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christian Eggers , Martin Kaiser , Herbert Xu , Arnd Bergmann , Greg Kroah-Hartman , Sascha Hauer , linux-kernel@vger.kernel.org, NXP Linux Team , Pengutronix Kernel Team , Matt Mackall , Shawn Guo , linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org When hw_random device's quality is non-zero, it will automatically fill the kernel's entropy pool at boot. For this purpose, one conservative quality value is being picked up as the default value. Signed-off-by: Christian Eggers Signed-off-by: Marco Felsch --- drivers/char/hw_random/imx-rngc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx-rngc.c index f9c5ddd0276b..a62ff78bd7ea 100644 --- a/drivers/char/hw_random/imx-rngc.c +++ b/drivers/char/hw_random/imx-rngc.c @@ -285,6 +285,7 @@ static int imx_rngc_probe(struct platform_device *pdev) rngc->rng.init = imx_rngc_init; rngc->rng.read = imx_rngc_read; rngc->rng.cleanup = imx_rngc_cleanup; + rngc->rng.quality = 900; rngc->dev = &pdev->dev; platform_set_drvdata(pdev, rngc);