From patchwork Mon Apr 1 10:30:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lionel Debieve X-Patchwork-Id: 10879653 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5AF7F13B5 for ; Mon, 1 Apr 2019 10:31:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4130228535 for ; Mon, 1 Apr 2019 10:31:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 34FEE2868C; Mon, 1 Apr 2019 10:31:59 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E03B628535 for ; Mon, 1 Apr 2019 10:31:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=TLtJfFvdmCM8/MmDkUgIQLKmBqnm1YXKZax0nXeShhE=; b=O39F4pgoCmqVjG uS4drtkYcQ0M5E8c5woPYONVcFolKqfVjLcszqr1UKTHuBMPO2wsdUfUnM9ddnOrGnbB2TSMSMb5S zQBwX80cB6y+dcrOQLt79MQVzoj2m5mgNzj+TQDJH9Kqpme2UdWuUeeAorYqbM3YH5N43DQd/U1gg NwkhpaMC5p6/PQdxLQK4LQqRMjr36wV5QPhzS0tNsa4eZDgij8GD8iJun3h2Ogfotd+93Xcpiv9aK CyT0JWVmt152z83PWpI/P0T1/Xj2OPL05ddAo0KTutrho4aLEuxH9xxZ/6l9gpdYadRsGUgvC8h07 +FyasK98jHZmLF5NAyEg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hAuEO-0004G0-1M; Mon, 01 Apr 2019 10:31:56 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hAuE0-0003lN-DH for linux-arm-kernel@lists.infradead.org; Mon, 01 Apr 2019 10:31:34 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x31AQI9m023888; Mon, 1 Apr 2019 12:31:19 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2rhxt4j2ud-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 01 Apr 2019 12:31:19 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id E9CEE34; Mon, 1 Apr 2019 10:31:18 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id B3E7E25EA; Mon, 1 Apr 2019 10:31:18 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas22.st.com (10.75.90.92) with Microsoft SMTP Server (TLS) id 14.3.361.1; Mon, 1 Apr 2019 12:31:18 +0200 Received: from localhost (10.201.23.65) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.435.0; Mon, 1 Apr 2019 12:31:15 +0200 From: Lionel Debieve To: Matt Mackall , Herbert Xu , Arnd Bergmann , Greg Kroah-Hartman , Maxime Coquelin , Alexandre Torgue , Rob Herring , , , Subject: [PATCH 2/2] hwrng: stm32 - set default random quality Date: Mon, 1 Apr 2019 12:30:46 +0200 Message-ID: <1554114646-18791-3-git-send-email-lionel.debieve@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1554114646-18791-1-git-send-email-lionel.debieve@st.com> References: <1554114646-18791-1-git-send-email-lionel.debieve@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.65] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-04-01_04:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190401_033132_747365_F8922992 X-CRM114-Status: GOOD ( 10.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Benjamin Gaignard , Ludovic Barre , linux-stm32@st-md-mailman.stormreply.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add a default quality to hw_random device to be automatically set as new default entropy. Setting random quality will decrease the crng init time by switching to this hardware random source. Signed-off-by: Lionel Debieve --- drivers/char/hw_random/stm32-rng.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/hw_random/stm32-rng.c b/drivers/char/hw_random/stm32-rng.c index 37b338a..0ef5b6a 100644 --- a/drivers/char/hw_random/stm32-rng.c +++ b/drivers/char/hw_random/stm32-rng.c @@ -161,6 +161,7 @@ static int stm32_rng_probe(struct platform_device *ofdev) #endif priv->rng.read = stm32_rng_read, priv->rng.priv = (unsigned long) dev; + priv->rng.quality = 900; pm_runtime_set_autosuspend_delay(dev, 100); pm_runtime_use_autosuspend(dev);