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Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH v2 2/6] soc: mediatek: pm-domains: Add buck isolation setting in power domain Content-Language: en-US To: Allen-KH Cheng , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Chun-Jie Chen , Stephen Boyd , Ikjoon Jang Cc: Project_Global_Chrome_Upstream_Group@mediatek.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Chen-Yu Tsai References: <20221221034407.19605-1-allen-kh.cheng@mediatek.com> <20221221034407.19605-3-allen-kh.cheng@mediatek.com> From: AngeloGioacchino Del Regno In-Reply-To: <20221221034407.19605-3-allen-kh.cheng@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221221_022059_106057_E2EF6C87 X-CRM114-Status: GOOD ( 17.13 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Il 21/12/22 04:44, Allen-KH Cheng ha scritto: > In MT8192, we need to disable EXT_BUCK_ISO before turning on the ADSP > power pm-domains (mtcmos). > > Add the MTK_SCPD_EXT_BUCK_ISO flag to control the buck isolation > setting in the mediatek power domain driver. > > Fixes: 59b644b01cf4 ("soc: mediatek: Add MediaTek SCPSYS power domains") > Signed-off-by: Allen-KH Cheng > --- > drivers/soc/mediatek/mtk-pm-domains.c | 8 ++++++++ > drivers/soc/mediatek/mtk-pm-domains.h | 1 + > 2 files changed, 9 insertions(+) > > diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c > index 09e3c38b8466..63f1e183f645 100644 > --- a/drivers/soc/mediatek/mtk-pm-domains.c > +++ b/drivers/soc/mediatek/mtk-pm-domains.c > @@ -218,6 +218,10 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) > if (ret) > goto err_reg; > > + if (MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO)) if (pd->data->ext_buck_iso_offs && MTK_SCPD_CAPS(pd, MTK_SCPD_EXT_BUCK_ISO)) regmap_[...etc] ...so that we validate that ext_buck_iso_offs is actually present (as I suppose that this is supposed to *never* be 0x0). Regards, Angelo