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 X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39925C4363D for ; Fri, 2 Oct 2020 15:19:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E262920719 for ; Fri, 2 Oct 2020 15:19:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="dZ7w8Dlk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388093AbgJBPTe (ORCPT ); Fri, 2 Oct 2020 11:19:34 -0400 Received: from www.zeus03.de ([194.117.254.33]:39992 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726017AbgJBPTe (ORCPT ); Fri, 2 Oct 2020 11:19:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=k1; bh=jRBYqhHs9MUo+I345CM5zWv3GEXs j18napmugZrEyZo=; b=dZ7w8Dlkp2T+HpY2X/1ppWsCRdmQr/+XuNNtkcmVPErG Gr0YVpfXax97Oy/hEVyAV0q1OxPJFwgLNMJBY+4vYJZXlLoLGVpzRlkEBXf/B1yR u0LASyvGKvz1m3z6C7LzkRnEmf7OTWHXoAOcnX7xRy7ZI8BsvZ8WAQZEt13vj2I= Received: (qmail 1420813 invoked from network); 2 Oct 2020 17:12:51 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 2 Oct 2020 17:12:51 +0200 X-UD-Smtp-Session: l3s3148p1@cQ/1kLGwvsQgAwDPXwkAADD+YGrDqBUE Date: Fri, 2 Oct 2020 17:12:50 +0200 From: Wolfram Sang To: linux-watchdog@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: Re: [RFC PATCH] watchdog: renesas_wdt: don't sleep in atomic context Message-ID: <20201002151250.GC1447@ninjato> References: <20201002150944.9696-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="69pVuxX8awAiJ7fD" Content-Disposition: inline In-Reply-To: <20201002150944.9696-1-wsa+renesas@sang-engineering.com> Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org --69pVuxX8awAiJ7fD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > delay = DIV_ROUND_UP(cycles * 1000000, priv->clk_rate); > - > - usleep_range(delay, 2 * delay); > + udelay(delay); I should probably add a comment here explaining the situation. --69pVuxX8awAiJ7fD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl93Q28ACgkQFA3kzBSg KbZU7w/+J5wDYBQWBz1IkgOLMXJINpjqVPOCvJEYUrioxPyrN8iya5hwFA1uFl6r 7o/bp1o8FtQ/+ZyF94jEijgNKZqDvV6UG8huzv1uQ1S3Xq9ss4bXzx+yEIAPehe2 bHjQHZ9+pd3MZOTiSis3PWfmPMxsLL/IXgKBgLITQ20CM59ADrtg28mvUBHQmr/y XWyhElYQ9xG/15WgM03Lva0ExsIV0YUg+LKj39aVp0EnWPDqGuScEKwzKHNfO9Xz SzXsyOujerFeGdUzGxlXoqMs595ARq9Km46g3dn2uRuA/XnNTsNXkGY97wR6W296 zaxdNyZ61HXi/4MULRTKzXtsY8hGiRfGyqf8m8pTPrZmTCgLBEMk+VxUts6KHNlj woWQ/rinvE9oQFe1oaepdefFF92QV83k4B20B7XNOtFNjOm2GEpAF5CxgSs9f7G3 6KKAK5gM3P7G8MEfFL/bdlrYhLN8QVNuPbUjM0KOvh1sc3G6IbR4Hnl6W6EOGJHJ zsH4+GS1OlbS6nTFcqTyBMmOVguRmfUK2T78fxNQamoV5Qz3OeQ7OjRr0eOdnZI1 SzaonlIJF7VKmAKH5OhoCoCCBUKenaJfGNZvo9cC4W4hz7F/LE4vlJwQQRSLjEZU i/vK0QOEOErz2OGEMTsxawS8zEuXUgzGMAz7z0UR6pcFoMxnMfg= =aSd7 -----END PGP SIGNATURE----- --69pVuxX8awAiJ7fD--