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=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 E0613C433FE for ; Wed, 8 Sep 2021 05:12:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C06C960041 for ; Wed, 8 Sep 2021 05:12:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233103AbhIHFNa (ORCPT ); Wed, 8 Sep 2021 01:13:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232097AbhIHFN3 (ORCPT ); Wed, 8 Sep 2021 01:13:29 -0400 Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29EC4C061757 for ; Tue, 7 Sep 2021 22:12:22 -0700 (PDT) Received: by mail-lj1-x229.google.com with SMTP id s12so1471690ljg.0 for ; Tue, 07 Sep 2021 22:12:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=cEg9j5PHH4GrveK8S9hlpJRiAHD5wKCWS95UHHv0q00=; b=N4InN9Bj8fK6jG56hBNBpJBevxf+zsjhr7g+bMTchVecF318z1bCZNQ7q8LjKHJ+rY FgI1xNRgaljSEjyEWdJkhHCYF7JA+S7v3h1Kmo8J0p5GjZuXB38rvOI1xcsBxJS0cNGf IEReRyPR8+eORygkamDmkpP366EyiO4cBCUPc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cEg9j5PHH4GrveK8S9hlpJRiAHD5wKCWS95UHHv0q00=; b=RuiP2RkyUn1JX2RpE+iXUwHfkM5Ou2kqATfxFeJc2xZ6BDnklbjvAWtcHvCIxDW4P0 2RZNA/PqX+vR7cwaUA3dRyxz9l3PBG9zqHylWPC9Cl6UaE0RtW+33j/SR899gpmXjLje iz7r6hHdgEjAefEdDWngiM9sodwoazwR+wt3NMvWyxDXKYoSnJH0GrcOzPxCDL+okDn4 42Rtje+qGTyNjtj2EYBULU2niHRWI2XKvOGJXy+reN5c/oDhvAxrwz4oGFNJHIFo2rwR VDoBOE4XRsQdaxUlqb3/uMfFfmYQf6f6p+SXWt1/cvn+FGBdPKnKxijAuAuMLXHRlrnW XoEg== X-Gm-Message-State: AOAM530JH1OIOHTpsnOYQUuazA6oNRueQQhyHW+XpOGhDRaAaXRV+Iv7 d+AcAdon5Xi9NuaGujhTzt7Bqb1PUKrXiQwaEBPqIQ== X-Google-Smtp-Source: ABdhPJy1eiw/GhIkayI2GgkNyxQN+8Yh+FdEG4Rp52WWFbHlAo3RxV1qWk231DHeycdNYZPN6u8599LpZ1rHJ4OzvW8= X-Received: by 2002:a2e:9a44:: with SMTP id k4mr1320396ljj.201.1631077940431; Tue, 07 Sep 2021 22:12:20 -0700 (PDT) MIME-Version: 1.0 References: <20210907094628.RESEND.1.If29cd838efbcee4450a62b8d84a99b23c86e0a3f@changeid> <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> In-Reply-To: <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> From: Chen-Yu Tsai Date: Wed, 8 Sep 2021 13:12:09 +0800 Message-ID: Subject: Re: [RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399 To: Brian Norris Cc: Heiko Stuebner , Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Douglas Anderson , LKML , linux-rockchip@lists.infradead.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 8, 2021 at 12:46 AM Brian Norris wrote: > > Per Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt. > > This IP block can be used for sampling the PC of any given CPU, which is > useful in certain panic scenarios where you can't get the CPU to stop > cleanly (e.g., hard lockup). > > Signed-off-by: Brian Norris The datasheet isn't clear on whether the debug subsystem has a separate power domain or not, so that may bug us later. Otherwise, Reviewed-by: Chen-Yu Tsai 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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E880CC433EF for ; Wed, 8 Sep 2021 05:12:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B7A4761152 for ; Wed, 8 Sep 2021 05:12:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B7A4761152 Authentication-Results: mail.kernel.org; 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Tue, 07 Sep 2021 22:12:20 -0700 (PDT) MIME-Version: 1.0 References: <20210907094628.RESEND.1.If29cd838efbcee4450a62b8d84a99b23c86e0a3f@changeid> <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> In-Reply-To: <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> From: Chen-Yu Tsai Date: Wed, 8 Sep 2021 13:12:09 +0800 Message-ID: Subject: Re: [RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399 To: Brian Norris Cc: Heiko Stuebner , Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Douglas Anderson , LKML , linux-rockchip@lists.infradead.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210907_221222_414782_71DE66E5 X-CRM114-Status: GOOD ( 10.12 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On Wed, Sep 8, 2021 at 12:46 AM Brian Norris wrote: > > Per Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt. > > This IP block can be used for sampling the PC of any given CPU, which is > useful in certain panic scenarios where you can't get the CPU to stop > cleanly (e.g., hard lockup). > > Signed-off-by: Brian Norris The datasheet isn't clear on whether the debug subsystem has a separate power domain or not, so that may bug us later. Otherwise, Reviewed-by: Chen-Yu Tsai _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip 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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 288DBC433F5 for ; Wed, 8 Sep 2021 05:14:12 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E334861152 for ; 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bh=cEg9j5PHH4GrveK8S9hlpJRiAHD5wKCWS95UHHv0q00=; b=gsEpiz6LalM8/mX/o0MB9mN7kGYg3qu0H7DVA3pVkEe8kiTWyH7L2ifxTng1X+yK9o S6T6M4sCb6Pu0wJBQ/DAee6EJusTO8FYJkaUF6jtN4+9wA8GpEI2iWnb/wg8bQ3YjJhN +9urr7qHJEDzWPT6Y+vZ/f3VL57n0u0Bk7pq8pg9TMv1qGEuHqJ8N7L9UQQweJ79yWzK b0lwks7qBveTejlcl8VIMuIGeNieMJhQHm/uSyZWxJiP++Y3NPaHDbMJ9yEh3kja9aRI i5fzJeV6iOz+jSrBMVHGZnP1k7IzVTcc/pdZ2aFBYNbyaAGEEhsvtLK8e85iS1jz1192 reow== X-Gm-Message-State: AOAM533ZmBJO4SGdASrwKVuCbo6JjX/zfBaHaiYtwBH6hgkL1hSgL+8R Wa1B94Gyg0c5VCvbVZZ6hzLncsCM49AmjLcI7MaU6w== X-Google-Smtp-Source: ABdhPJy1eiw/GhIkayI2GgkNyxQN+8Yh+FdEG4Rp52WWFbHlAo3RxV1qWk231DHeycdNYZPN6u8599LpZ1rHJ4OzvW8= X-Received: by 2002:a2e:9a44:: with SMTP id k4mr1320396ljj.201.1631077940431; Tue, 07 Sep 2021 22:12:20 -0700 (PDT) MIME-Version: 1.0 References: <20210907094628.RESEND.1.If29cd838efbcee4450a62b8d84a99b23c86e0a3f@changeid> <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> In-Reply-To: <20210907094628.RESEND.2.Ibc87b4785709543c998cc852c1edaeb7a08edf5c@changeid> From: Chen-Yu Tsai Date: Wed, 8 Sep 2021 13:12:09 +0800 Message-ID: Subject: Re: [RESEND PATCH 2/2] arm64: dts: rockchip: add Coresight debug range for RK3399 To: Brian Norris Cc: Heiko Stuebner , Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Douglas Anderson , LKML , linux-rockchip@lists.infradead.org, "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210907_221222_414924_9B040916 X-CRM114-Status: GOOD ( 11.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 8, 2021 at 12:46 AM Brian Norris wrote: > > Per Documentation/devicetree/bindings/arm/coresight-cpu-debug.txt. > > This IP block can be used for sampling the PC of any given CPU, which is > useful in certain panic scenarios where you can't get the CPU to stop > cleanly (e.g., hard lockup). > > Signed-off-by: Brian Norris The datasheet isn't clear on whether the debug subsystem has a separate power domain or not, so that may bug us later. Otherwise, Reviewed-by: Chen-Yu Tsai _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel