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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 B0467C4360C for ; Tue, 8 Oct 2019 17:49:27 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 824E0206B6 for ; Tue, 8 Oct 2019 17:49:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="uu3mMPxn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 824E0206B6 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59484 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHtby-000149-6Q for qemu-devel@archiver.kernel.org; Tue, 08 Oct 2019 13:49:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49180) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHt7j-0006uE-02 for qemu-devel@nongnu.org; Tue, 08 Oct 2019 13:18:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHt7h-0002SE-N6 for qemu-devel@nongnu.org; Tue, 08 Oct 2019 13:18:10 -0400 Received: from mail-wr1-x441.google.com ([2a00:1450:4864:20::441]:42932) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iHt7h-0002Rp-HH for qemu-devel@nongnu.org; Tue, 08 Oct 2019 13:18:09 -0400 Received: by mail-wr1-x441.google.com with SMTP id n14so20286386wrw.9 for ; Tue, 08 Oct 2019 10:18:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=w9v8i3Z8RpP3GEkRyZK5PY2Ra4/gXWlier/tTCtR2T0=; b=uu3mMPxnTsZkR066RpXGGzyAATRaGZCoNsy5bswUmDUQ18p7+G/h/T/1XD6U7pDbH9 HKfp1HQx/56U00GWWh8BdVx2L5zSuJ7HynrD0/geTmsoAKWpzIoOjDhJH4/Ws72EAQVV rObpKPgnqmEInsrRy+B60k7+pRQODWZ8WYVlH2FEaMQ/e4yWNlbmK92TQZNj6G1fazHc ZPm4WQzRI5uKkytYpgJsBTKedj7wFWgERhaqDCinEf+Zhkf99/BcSkeQ6Xri9axIPulL sW+UQhinO9uIOTwS0oR1enCeos3A8nQfUH1cxSqscjAoaynTpCXPGQ3EUQnkSZAAKAF2 Eb0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=w9v8i3Z8RpP3GEkRyZK5PY2Ra4/gXWlier/tTCtR2T0=; b=LKYysoyi0TTbP56sdfcy6B6OL31AbukjK73LKffR6XpA0ilI1NypTrCb4xeAt4Unsr DAto/0D8ZRsA+VkymMwvtsZar1tCuCDXz6FPKZy5OtFkLai1ftljZaT3ATtB/qtkdL1A ZJvEJ378fIymV6ySkvSlzPdEN5+5l8h/idcpq2ox15XDqBhLuii4CJch/Y6pcklRJEjI YQtskr/lKQ2r0yN/LrvqobbSAk57lYljwvvP9+BhZmoRUOPvMXwbH7saTnUIsvI2HLZL cdRK3KpexXAwDk5nNZeWmhc+gxv2GFn83T/4AYBAxPz+FzNRoEm1Bid7twJCmL0imlEM 8weA== X-Gm-Message-State: APjAAAWWCtZMdzuNFHuxYgPIc4iv/SLAjXK6OEhHygWhSKPBN8aEhUGz VGLk/k+0PmvKmkyKeaOeKT2w6A== X-Google-Smtp-Source: APXvYqyU7FJIusM6SbN9sPKdDx0W4GA3Kb31qFguRiTGVUk01/WLc0aQtwogHjE4QJaTosyNxgI+Aw== X-Received: by 2002:adf:b3d2:: with SMTP id x18mr29381135wrd.264.1570555088581; Tue, 08 Oct 2019 10:18:08 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id z9sm19135541wrl.35.2019.10.08.10.18.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Oct 2019 10:18:08 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 20/21] hw/watchdog/cmsdk-apb-watchdog.c: Switch to transaction-based ptimer API Date: Tue, 8 Oct 2019 18:17:39 +0100 Message-Id: <20191008171740.9679-21-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191008171740.9679-1-peter.maydell@linaro.org> References: <20191008171740.9679-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::441 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Richard Henderson , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Switch the cmsdk-apb-watchdog code away from bottom-half based ptimers to the new transaction-based ptimer API. This just requires adding begin/commit calls around the various places that modify the ptimer state, and using the new ptimer_init() function to create the timer. Signed-off-by: Peter Maydell --- hw/watchdog/cmsdk-apb-watchdog.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/hw/watchdog/cmsdk-apb-watchdog.c b/hw/watchdog/cmsdk-apb-watchdog.c index e42c3ebd29d..e6f3b93c44e 100644 --- a/hw/watchdog/cmsdk-apb-watchdog.c +++ b/hw/watchdog/cmsdk-apb-watchdog.c @@ -24,7 +24,6 @@ #include "qemu/log.h" #include "trace.h" #include "qapi/error.h" -#include "qemu/main-loop.h" #include "qemu/module.h" #include "sysemu/watchdog.h" #include "hw/sysbus.h" @@ -200,8 +199,10 @@ static void cmsdk_apb_watchdog_write(void *opaque, hwaddr offset, * Reset the load value and the current count, and make sure * we're counting. */ + ptimer_transaction_begin(s->timer); ptimer_set_limit(s->timer, value, 1); ptimer_run(s->timer, 0); + ptimer_transaction_commit(s->timer); break; case A_WDOGCONTROL: if (s->is_luminary && 0 != (R_WDOGCONTROL_INTEN_MASK & s->control)) { @@ -217,7 +218,9 @@ static void cmsdk_apb_watchdog_write(void *opaque, hwaddr offset, break; case A_WDOGINTCLR: s->intstatus = 0; + ptimer_transaction_begin(s->timer); ptimer_set_count(s->timer, ptimer_get_limit(s->timer)); + ptimer_transaction_commit(s->timer); cmsdk_apb_watchdog_update(s); break; case A_WDOGLOCK: @@ -299,8 +302,10 @@ static void cmsdk_apb_watchdog_reset(DeviceState *dev) s->itop = 0; s->resetstatus = 0; /* Set the limit and the count */ + ptimer_transaction_begin(s->timer); ptimer_set_limit(s->timer, 0xffffffff, 1); ptimer_run(s->timer, 0); + ptimer_transaction_commit(s->timer); } static void cmsdk_apb_watchdog_init(Object *obj) @@ -320,7 +325,6 @@ static void cmsdk_apb_watchdog_init(Object *obj) static void cmsdk_apb_watchdog_realize(DeviceState *dev, Error **errp) { CMSDKAPBWatchdog *s = CMSDK_APB_WATCHDOG(dev); - QEMUBH *bh; if (s->wdogclk_frq == 0) { error_setg(errp, @@ -328,14 +332,15 @@ static void cmsdk_apb_watchdog_realize(DeviceState *dev, Error **errp) return; } - bh = qemu_bh_new(cmsdk_apb_watchdog_tick, s); - s->timer = ptimer_init_with_bh(bh, + s->timer = ptimer_init(cmsdk_apb_watchdog_tick, s, PTIMER_POLICY_WRAP_AFTER_ONE_PERIOD | PTIMER_POLICY_TRIGGER_ONLY_ON_DECREMENT | PTIMER_POLICY_NO_IMMEDIATE_RELOAD | PTIMER_POLICY_NO_COUNTER_ROUND_DOWN); + ptimer_transaction_begin(s->timer); ptimer_set_freq(s->timer, s->wdogclk_frq); + ptimer_transaction_commit(s->timer); } static const VMStateDescription cmsdk_apb_watchdog_vmstate = { -- 2.20.1