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Wed, 2 Oct 2019 08:59:51 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20191001235951epsmtip287bcaac784ad180f54b99e7345a119d8~Jq2QVU_RS0854708547epsmtip2j; Tue, 1 Oct 2019 23:59:51 +0000 (GMT) Subject: Re: [PATCH v6 14/19] PM / devfreq: tegra30: Don't enable consecutive-down interrupt on startup To: Dmitry Osipenko , Thierry Reding , MyungJoo Ham , Kyungmin Park , Jonathan Hunter , Tomeu Vizoso Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: Date: Wed, 2 Oct 2019 09:04:38 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190811212315.12689-15-digetx@gmail.com> Content-Language: en-US Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01Se0hTcRTmt93dbeHytjJPE0xvESRpu87ZNVR6EZfqD6HoYYjd3GUz92p3 k7SCpWFqpZVQOntIKaQSpaxQQywVH4QRRQ8STVToqZZT097b7iT/+875fd855zu/IxMr7+Eq WabZztnMrJHEF2EPOtaqo499KEtTF3rC6PpvI4g+7bqJ0X15X6T0i5arOO0534nooikXTvef uo3Tcy3XMbrkznN8k5xpGqhGTLNrQMqczx/HmRJ3HWI8jeEpktSsRAPH6jhbBGfOsOgyzfok cufu9K3p2ng1FU0l0BvICDNr4pLIbbtSordnGr0DkRHZrNHhTaWwPE+uT060WRx2LsJg4e1J JGfVGa0J1hieNfEOsz4mw2LaSKnVsVov8VCWoWd8BrMWyI89H3uCnKhPWozkMiDiYKy8CCtG i2RKognBZU8ZLgSTCD51eaRCMINg7HWtZF7yftIZYLUiKKl0BvQTCCbqzop9rKVEJpR/f+WX LyP+ICiay8d9D2LiAHQ014t8GCeioO3DG38+mIiEl7MjyIcVRDI8+j3txxixGmbv3fXzQ4j9 MDnUIRE4S6C3YhTzYTmxASqaqzChfii8Hb0hEvBKyL9fKfYNAcRfHJ6davCSZN5gGzwZihTs LIVP3e7ANlTwsbQggI9DbW8nLmgLEbjbngX8a6CtpkzkqyMm1sLdlvVCOhKaf15DQt/FMD59 TiK0UkBhgVKgrIIXQwMiAa+AW2eK8AuIdC1w41rgwLXAget/syqE1aHlnJU36TmesmoXfncj 8l9rVEIT6nq6qx0RMkQGKd7sKUtTSthsPsfUjkAmJpcpEn9dSlMqdGxOLmezpNscRo5vR1rv si+KVSEZFu/tm+3plDZWo9HQcVS8lqLIUAWjd6YpCT1r57I4zsrZ5nUimVzlRMn7mI3Bm6S1 WypDD8Uoif7Sh92Gzedqma8H5w7/8VQH7Q7pPZmzLjk1ISd2OlJ+fLuuc01HKxuubtjh/vGr xjO8PPhE0pXPiXlT5J2wx4OD73riVcYjJ8b7LK1Pj8y5Gib2uhmKPKgO6nEcXTyM52ZYG6e6 UWlfUHe2Jiy1JbiUxHgDS0WJbTz7D4X3+A7DAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJIsWRmVeSWpSXmKPExsWy7bCSvG75i8mxBv9mqFis/viY0aJl1iIW i7NNb9gtLu+aw2bxufcIo0Xnl1lsFrcbV7BZ/Nw1j8Wib+0lNgdOjx13lzB67Jx1l92jt/kd m0ffllWMHp83yQWwRnHZpKTmZJalFunbJXBlnHj3jaWgjbPi0tvTjA2MZ9m7GDk5JARMJJ5/ amADsYUEdjNKdDxXhYhLSky7eJS5i5EDyBaWOHy4uIuRC6jkLaPExk9TGUFqhAUyJWZ8v8YO khARaGKS2NR7AWwos0CkRM/cLVBDtzFKvH7sDGKzCWhJ7H9xAyzOL6AocfXHY7BBvAJ2Egf+ fgWzWQRUJH5sWM8EYosKREgc3jELqkZQ4uTMJywgNqeAucTMnQtYIHapS/yZd4kZwhaXuPVk PhOELS/RvHU28wRG4VlI2mchaZmFpGUWkpYFjCyrGCVTC4pz03OLDQuM8lLL9YoTc4tL89L1 kvNzNzGCI0xLawfjiRPxhxgFOBiVeHhvhEyOFWJNLCuuzD3EKMHBrCTCa/NnUqwQb0piZVVq UX58UWlOavEhRmkOFiVxXvn8Y5FCAumJJanZqakFqUUwWSYOTqkGxiWTvx+0vi5jZCAze9Hn n1ZbL55d90RYT9TEe8226gflu7XOOR+8dsUs5zr/ytzjv/ieRt4RuJEQ88ibI/fJI6vfc89w t2oKFOwu+7a//67k0c+JAlKei2Id2brCkzSd/3dE8yRc21p8cCHvNeaFyvEHNM8qin7b9JGx 9tPc2A87p9wS35Qapa3EUpyRaKjFXFScCABSNyqorAIAAA== X-CMS-MailID: 20191001235951epcas1p19e14f078b63c1540c3c8b0620d47d398 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20190811212521epcas5p3570e492f3984401f59f1f82a25ddcf7f References: <20190811212315.12689-1-digetx@gmail.com> <20190811212315.12689-15-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19. 8. 12. 오전 6:23, Dmitry Osipenko wrote: > The consecutive-down event tells that we should perform frequency > de-boosting, but boosting is in a reset state on start and hence the > event won't do anything useful for us and it will be just a dummy > interrupt request. > > Signed-off-by: Dmitry Osipenko > --- > drivers/devfreq/tegra30-devfreq.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index 5002dca4c403..a0a1ac09a824 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -708,7 +708,6 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra, > << ACTMON_DEV_CTRL_CONSECUTIVE_ABOVE_WMARK_NUM_SHIFT; > val |= ACTMON_DEV_CTRL_AVG_ABOVE_WMARK_EN; > val |= ACTMON_DEV_CTRL_AVG_BELOW_WMARK_EN; > - val |= ACTMON_DEV_CTRL_CONSECUTIVE_BELOW_WMARK_EN; > val |= ACTMON_DEV_CTRL_CONSECUTIVE_ABOVE_WMARK_EN; > val |= ACTMON_DEV_CTRL_ENB; > > Reviewed-by: Chanwoo Choi -- Best Regards, Chanwoo Choi Samsung Electronics