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([2a01:e0a:982:cbb0:e6d5:d4d4:f3a1:e44b]) by smtp.gmail.com with ESMTPSA id 22-20020a05600c22d600b003fbd9e390e1sm1907393wmg.47.2023.08.24.01.30.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Aug 2023 01:30:10 -0700 (PDT) Message-ID: <91e4a3f1-84ed-4433-90fc-bdfb9b08e57a@linaro.org> Date: Thu, 24 Aug 2023 10:30:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Subject: Re: [PATCH V2 3/6] soc: amlogic: init power domain state Content-Language: en-US, fr To: Xianwei Zhao , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kevin Hilman References: <20230824055930.2576849-1-xianwei.zhao@amlogic.com> <20230824055930.2576849-4-xianwei.zhao@amlogic.com> Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro Developer Services In-Reply-To: <20230824055930.2576849-4-xianwei.zhao@amlogic.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230824_013012_992085_EC4527F5 X-CRM114-Status: GOOD ( 17.43 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: neil.armstrong@linaro.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Hi, On 24/08/2023 07:59, Xianwei Zhao wrote: > From: "xianwei.zhao" > > If initial power domain with 'AWAY_ON' property state is off, > turn on the power. > > Signed-off-by: xianwei.zhao > --- > V1 -> V2: None > --- > drivers/genpd/amlogic/meson-secure-pwrc.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/genpd/amlogic/meson-secure-pwrc.c b/drivers/genpd/amlogic/meson-secure-pwrc.c > index 76527f4946b4..3e7e3bd25d1f 100644 > --- a/drivers/genpd/amlogic/meson-secure-pwrc.c > +++ b/drivers/genpd/amlogic/meson-secure-pwrc.c > @@ -55,7 +55,7 @@ static bool pwrc_secure_is_off(struct meson_secure_pwrc_domain *pwrc_domain) > pwrc_domain->index, 0, 0, 0, 0) < 0) > pr_err("failed to get power domain status\n"); > > - return is_off; > + return !!is_off; Can you explain this ? the function returns bool, so if if_off is > 0, it would return true, so I don't see why you would need to transform is_off into 1 or 0 using !!. > } > > static int meson_secure_pwrc_off(struct generic_pm_domain *domain) > @@ -222,6 +222,9 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev) > dom->base.power_on = meson_secure_pwrc_on; > dom->base.power_off = meson_secure_pwrc_off; > > + if (match->domains[i].is_off(dom) && (dom->base.flags & GENPD_FLAG_ALWAYS_ON)) > + meson_secure_pwrc_on(&dom->base); > + > pm_genpd_init(&dom->base, NULL, match->domains[i].is_off(dom)); > > pwrc->xlate.domains[i] = &dom->base; _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic