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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D887BC433FE for ; Sun, 26 Sep 2021 12:13:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD8B460EE2 for ; Sun, 26 Sep 2021 12:13:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231309AbhIZMPb (ORCPT ); Sun, 26 Sep 2021 08:15:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230160AbhIZMP2 (ORCPT ); Sun, 26 Sep 2021 08:15:28 -0400 Received: from mail-oi1-x233.google.com (mail-oi1-x233.google.com [IPv6:2607:f8b0:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5A66C061570; Sun, 26 Sep 2021 05:13:52 -0700 (PDT) Received: by mail-oi1-x233.google.com with SMTP id z11so21633358oih.1; Sun, 26 Sep 2021 05:13:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=3Pf5rU/TB/BW2ajTVjYWCJhuzdNpYKVst0ZSbg4WjX0=; b=Kev7foseiXhcccruFzCzWbqnt/nsv0uHCpvE0dQDu7iJzyBuIV1iYpanAaJT22iWNB 4Q+z4EDr11ihcgv4MSTnxm2Vis4dIG8ub79lA7s4z6rZQUbaQMl8dp3Sbr5+6EaL28+E LNkPgWOID13CjiFB34mcXjIZ8efFKUbqTJoOHW1tW5Enk+qGh0MKp85ErS6sqAzi1XfB vvV9xOv64F5hx0LMdXYrZkkLaYsb1QDIsDZw7VvxvWizX+23NlChmAW92+jJPbXr1ZSc gKoy3NldeJKwGloeIJ7OV4MRRnWqyI4V6cU3kAcGRvK50i6qvTZiV+FE429uTLgUpFpp hcHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=3Pf5rU/TB/BW2ajTVjYWCJhuzdNpYKVst0ZSbg4WjX0=; b=ncKWSZ5L4uax6F7ylpzLfhxpmeUeqryHh5lYT1NB5qDVFnv3MhXIAO9KsbQI8rLnY5 5KXBT4+AoUldONDyPp8KR7TC3EoUTJNF/VW5GxjAqqQcwJHXFgWP2BWCNthgDnBrpMgB pfj+ftMOPqhR2VfMvqMaYrZol4pmBUBclRAW4WBzHqYLXL3tnPxjZtNpiATzPdlCHOj4 jZk1wXZglE/2wjWGQbGXDDtD7ImNspSBvcSlK4siImojwfgfx09tOGFryt6LEFb8Xs43 NXwoFc08YE0l8DNNP8s0x+DbAajjZnH+yrv9iuj0v7zSp0EXYSqi3LE7JdKLzAESw7AG nYEA== X-Gm-Message-State: AOAM533/PjgU4ot96O3swyCiqGyOcLGYNR4k0wuiXu/WsKuFE9JshCI6 7jRbdWyFhk8B6Vzy0ObTJoovbR+Lr+k= X-Google-Smtp-Source: ABdhPJwAa//K6Y7U71YSn4FZ+9A9LY11mS6IHLh9n+yS2sdRbI3E6yBmIp4Z4k4xHnPoGv3cZZGVRA== X-Received: by 2002:a05:6808:2016:: with SMTP id q22mr8231106oiw.19.1632658432046; Sun, 26 Sep 2021 05:13:52 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id i23sm3229040oof.4.2021.09.26.05.13.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Sep 2021 05:13:51 -0700 (PDT) Sender: Guenter Roeck Date: Sun, 26 Sep 2021 05:13:50 -0700 From: Guenter Roeck To: Krzysztof Kozlowski Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Wim Van Sebroeck , linux-watchdog@vger.kernel.org Subject: Re: [PATCH] watchdog: s3c2410: describe driver in KConfig Message-ID: <20210926121350.GA3174183@roeck-us.net> References: <20210924132930.111443-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210924132930.111443-1-krzysztof.kozlowski@canonical.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 24, 2021 at 03:29:30PM +0200, Krzysztof Kozlowski wrote: > Describe better which driver applies to which SoC, to make configuring > kernel for Samsung SoC easier. > > Signed-off-by: Krzysztof Kozlowski Reviewed-by: Guenter Roeck > --- > drivers/watchdog/Kconfig | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig > index b81fe4f7d434..75591ba261e2 100644 > --- a/drivers/watchdog/Kconfig > +++ b/drivers/watchdog/Kconfig > @@ -496,16 +496,18 @@ config S3C2410_WATCHDOG > select WATCHDOG_CORE > select MFD_SYSCON if ARCH_EXYNOS > help > - Watchdog timer block in the Samsung SoCs. This will reboot > - the system when the timer expires with the watchdog enabled. > + Watchdog timer block in the Samsung S3C24xx, S3C64xx, S5Pv210 and > + Exynos SoCs. This will reboot the system when the timer expires with > + the watchdog enabled. > > The driver is limited by the speed of the system's PCLK > signal, so with reasonably fast systems (PCLK around 50-66MHz) > then watchdog intervals of over approximately 20seconds are > unavailable. > > + Choose Y/M here only if you build for such Samsung SoC. > The driver can be built as a module by choosing M, and will > - be called s3c2410_wdt > + be called s3c2410_wdt. > > config SA1100_WATCHDOG > tristate "SA1100/PXA2xx watchdog" > -- > 2.30.2 >