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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1879C433F5 for ; Tue, 26 Apr 2022 20:14:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354287AbiDZURj (ORCPT ); Tue, 26 Apr 2022 16:17:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354815AbiDZURf (ORCPT ); Tue, 26 Apr 2022 16:17:35 -0400 Received: from mail-oa1-x34.google.com (mail-oa1-x34.google.com [IPv6:2001:4860:4864:20::34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E31E018807A for ; Tue, 26 Apr 2022 13:14:20 -0700 (PDT) Received: by mail-oa1-x34.google.com with SMTP id 586e51a60fabf-deb9295679so20580538fac.6 for ; Tue, 26 Apr 2022 13:14:20 -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=eEFl4B1FbvWCN+VcPB75wKYhR64TSlqT3NDBP8YMG6w=; b=pvQykELPdAYRIv4n3PF2TsQ0zl3cWJBZFPdpWAvODxpyPvY0m8eq9jfCqlyvYeD4yU fJO2Kj0707/bgK0QRNynPZcxMgxbiVtImKpWUG1TJN9ZvqnQWnYVFydmcCQH8rBdDyA0 djLWVhC5EtDPU1qCrvoV0Gny4+uBED4ZOTDNPdJE0xcKzbLs6bdvqbiBhxzA+hCwPI86 sDooyuCIr2JOdt+bDBI6hWALksoGSGQH/oNyn/kKLf4Ne3EgBezKvYCfI5mQm3y8HIWv 5GF36UvMNNEfcL+sRyfrXLE27TzxLJRMuRJ2p0VcRdbUya3paTwwe0le8ag8EEO1/wsH 2Nxg== 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=eEFl4B1FbvWCN+VcPB75wKYhR64TSlqT3NDBP8YMG6w=; b=mvpc+0QKkOEbA2l93F9Ove9po9ZobiikeJSmNPVkPkILOHObqGiOmQFE6HXXsJckHi DUewncdkvwez2d2SbLybWL4sJBRw5v7tcuEXKseqheGJPMed9OUXELTU3OVi5E3oP9bD X49f4Dg81/ftUnrTVFcWcvDsAXCoOP/eCUoxuxeD1atjZNty2pd8mqNTJc8UJke7yNa2 BchRpesRSh3fyNT8UXYe8qaJrfbR/+Ax6xa5Qg3dp5TJMHPgGLx+cQKZqeMRyFelUpkr M/E/mFdfsY+h54BCqJveB9ESxQLrDOkaOd7nTyELkwAIT8jsVkJ3zJV1kkTQ5lAVQIaL uFRQ== X-Gm-Message-State: AOAM530/yc96BlnhHuAd6T2XNRnH6KVHcE46boJ3FyfsdshLWdkFCgEC aDKCF120jtEP/HIH+wjTCIE= X-Google-Smtp-Source: ABdhPJyEF26vNitwwhdzPEF5PDBAWD8n5cbVdb9adbklFjpzJS6fIM6S9OxFvJuSXIVZPIFkuAS/Bw== X-Received: by 2002:a05:6870:5896:b0:e6:6c21:3584 with SMTP id be22-20020a056870589600b000e66c213584mr9849841oab.220.1651004060310; Tue, 26 Apr 2022 13:14:20 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id r23-20020a056830237700b005b2610517c8sm5410175oth.56.2022.04.26.13.14.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Apr 2022 13:14:19 -0700 (PDT) Sender: Guenter Roeck Date: Tue, 26 Apr 2022 13:14:18 -0700 From: Guenter Roeck To: Brian Norris Cc: Heiko Stuebner , Arnd Bergmann , Robin Murphy , linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 2/3] soc: rockchip: power-domain: Replace dsb() with smb() Message-ID: <20220426201418.GI4093517@roeck-us.net> References: <20220426014545.628100-1-briannorris@chromium.org> <20220426014545.628100-2-briannorris@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220426014545.628100-2-briannorris@chromium.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 25, 2022 at 06:45:43PM -0700, Brian Norris wrote: > It's unclear if these are really needed at all, but seemingly their > purpose is only as a write barrier. Use the general macro instead of the > ARM-specific one. > > This driver is partially marked for COMPILE_TEST'ing, but it doesn't > build under non-ARM architectures. Fix this up before *really* enabling > it for COMPILE_TEST. > > Signed-off-by: Brian Norris Reviewed-by: Guenter Roeck > --- > > Changes in v3: > * New in v3 > > drivers/soc/rockchip/pm_domains.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c > index 1b029e494274..cf16ff9b73b3 100644 > --- a/drivers/soc/rockchip/pm_domains.c > +++ b/drivers/soc/rockchip/pm_domains.c > @@ -178,7 +178,7 @@ static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd, > regmap_update_bits(pmu->regmap, pmu->info->req_offset, > pd_info->req_mask, idle ? -1U : 0); > > - dsb(sy); > + wmb(); > > /* Wait util idle_ack = 1 */ > target_ack = idle ? pd_info->ack_mask : 0; > @@ -285,7 +285,7 @@ static void rockchip_do_pmu_set_power_domain(struct rockchip_pm_domain *pd, > regmap_update_bits(pmu->regmap, pmu->info->pwr_offset, > pd->info->pwr_mask, on ? 0 : -1U); > > - dsb(sy); > + wmb(); > > if (readx_poll_timeout_atomic(rockchip_pmu_domain_is_on, pd, is_on, > is_on == on, 0, 10000)) { > -- > 2.36.0.rc2.479.g8af0fa9b8e-goog >