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[209.132.180.67]) by mx.google.com with ESMTP id 4si1461357plb.395.2019.03.29.02.10.31; Fri, 29 Mar 2019 02:10:47 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=FKXkKv4C; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729251AbfC2Ijl (ORCPT + 99 others); Fri, 29 Mar 2019 04:39:41 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:55614 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729188AbfC2Ijk (ORCPT ); Fri, 29 Mar 2019 04:39:40 -0400 Received: by mail-wm1-f68.google.com with SMTP id o25so1568940wmf.5 for ; Fri, 29 Mar 2019 01:39:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=message-id:subject:from:to:cc:date:in-reply-to:references :user-agent:mime-version:content-transfer-encoding; bh=oV9s7B6fOCEuHBo7NqIclE7KCi1bwoXzo8XlZY4r4hU=; b=FKXkKv4C4JhWKV6p6n9guP/PK1Y8XKgAooRp8BD9Lg5pLUJLrbgJVxioVBKg7lHhvQ qw5Ib+w8nWtcSVzPix02g6TLa8CRrCBUik1HkN4JGeldmfGYm5KcmbtGwNLf0N5HvK2s NDiOy6/cb8HGdLlGMIodsFAOg2PxiXBWKsVqjN0XRsJ+aSF+6Q0HGa7EFl5aN/iGxuXw cEzg70Zm7UrGN3xAesDL1a+evvWwCnQmFuSmCp8aDmyHDoeLEirZrORJIH8XARHG+HXA AiDUhwh6I6f9mLfQ0htpbAZOyagqQ1rGrzv2v3qPbcnoDDB+WdzH3WCWjY7rOM8mtqoH NgdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:user-agent:mime-version:content-transfer-encoding; bh=oV9s7B6fOCEuHBo7NqIclE7KCi1bwoXzo8XlZY4r4hU=; b=uBQciDumkOg1NV59IhuIPj9byx4qXzV3N+01ilCkNWVeWqGEbPxNTT3RiHPuMACmI/ F/gpbfnAPBKUXGDSOAfU0drvUthCvuLKhE4szHFO+p816LSNXlYLDLfd/iVT8sqSMzbn 7wLn0JqFp/QizirZilQPxuP4G30v2MpLxyVC9TThZyCUDQku0wbBKVjvIvgyl94RaMkX qJPqxuibGEHWRK5HRJe13hYFnqOOHWHjIPWYp9ZqfYVjVIwS75CLtxImyYdaNHnFnyFC JrFPCv4xSHIX5BeOU5XoOfhhE3iu1ea8GJ7kFjvp3n16xoJNj8sPnU6BRKe+WelY0gqW TtOw== X-Gm-Message-State: APjAAAWxZWmYX6GI9UkPoWtATWgnqxMEOr3rYn3/gsPYt9e2QN4sFzBm Ik0Q+sz9EUTyofiTZJL8JxGWkg== X-Received: by 2002:a1c:7008:: with SMTP id l8mr2632175wmc.63.1553848778160; Fri, 29 Mar 2019 01:39:38 -0700 (PDT) Received: from boomer.baylibre.com ([2a01:e34:eeb6:4690:106b:bae3:31ed:7561]) by smtp.gmail.com with ESMTPSA id a17sm1422214wmg.40.2019.03.29.01.39.36 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 29 Mar 2019 01:39:37 -0700 (PDT) Message-ID: Subject: Re: [PATCH] clk: meson: vid-pll-div: remove warning and return 0 on invalid config From: Jerome Brunet To: Neil Armstrong Cc: linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Date: Fri, 29 Mar 2019 09:39:35 +0100 In-Reply-To: <20190327151348.27402-1-narmstrong@baylibre.com> References: <20190327151348.27402-1-narmstrong@baylibre.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2019-03-27 at 16:13 +0100, Neil Armstrong wrote: > The vid_pll_div is a programmable fractional divider, but vendor gives a > limited of known configuration value and it's corresponding fraction. > > Thus when at reset value (0) or unknown value, we cannot determine the > result rate. > > The initial behaviour was to print a warning, but the warning triggers > at each boot and when the clock tree is refreshed. > > This patch moves the print to debug and returns 0 instead of the > parent rate. > > Fixes: 72dbb8c94d0d ("clk: meson: Add vid_pll divider driver") > Signed-off-by: Neil Armstrong > --- > drivers/clk/meson/vid-pll-div.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Reviewed-by: Jerome Brunet