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=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED autolearn=ham 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 08B23C43382 for ; Wed, 26 Sep 2018 13:42:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B51F120843 for ; Wed, 26 Sep 2018 13:42:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="r9P3Tyze" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B51F120843 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727523AbeIZTzb (ORCPT ); Wed, 26 Sep 2018 15:55:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:35838 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726994AbeIZTza (ORCPT ); Wed, 26 Sep 2018 15:55:30 -0400 Received: from [192.168.1.31] (cpe-70-114-128-244.austin.res.rr.com [70.114.128.244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E2FF720842; Wed, 26 Sep 2018 13:42:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1537969348; bh=Z92CWBhxchpZUdGlVAfoiQQp7znMUcP+3xfTFgPhnMM=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=r9P3TyzeXtW0UeE28DSjtEbj34jr4Cw7/jdHQ5ECCnWFj+92TL/fkpHc5UVacfepK WUtoDbCGC7D/etlgnUBDkSsAXHKSg5JxPuKllsG/YWlTTTXy0dt0OAJBHQEOf/8gnO puQy/WSdvG/TgNDJix8/iPUDVST0pjnS0I6zKCCE= Subject: Re: [PATCH] clocksource: dw_apb: add reset control To: daniel.lezcano@linaro.org Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, Marek Vasut References: <1537195934-26035-1-git-send-email-dinguyen@kernel.org> From: Dinh Nguyen Openpgp: preference=signencrypt Autocrypt: addr=dinguyen@kernel.org; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1537195934-26035-1-git-send-email-dinguyen@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ping? On 09/17/2018 09:52 AM, Dinh Nguyen wrote: > Add code to retrieve the reset property for the dw-apb timers. > > Signed-off-by: Marek Vasut > Signed-off-by: Dinh Nguyen > --- > drivers/clocksource/dw_apb_timer_of.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c > index 69866cd..24bc073 100644 > --- a/drivers/clocksource/dw_apb_timer_of.c > +++ b/drivers/clocksource/dw_apb_timer_of.c > @@ -22,6 +22,7 @@ > #include > #include > #include > +#include > #include > > static void __init timer_get_base_and_rate(struct device_node *np, > @@ -29,12 +30,20 @@ static void __init timer_get_base_and_rate(struct device_node *np, > { > struct clk *timer_clk; > struct clk *pclk; > + struct reset_control *rstc; > > *base = of_iomap(np, 0); > > if (!*base) > panic("Unable to map regs for %s", np->name); > > + /* Unreset the timer if applicable */ > + rstc = of_reset_control_get(np, NULL); > + if (!IS_ERR(rstc)) { > + reset_control_assert(rstc); > + reset_control_deassert(rstc); > + } > + > /* > * Not all implementations use a periphal clock, so don't panic > * if it's not present >