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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63e3ebb3848sm4107106a12.1.2025.10.24.01.39.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Oct 2025 01:39:16 -0700 (PDT) Message-ID: Date: Fri, 24 Oct 2025 10:39:13 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/4] clk: qcom: branch: Extend invert logic for branch2 mem clocks To: Taniya Das , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Ajit Pandey , Imran Shaik , Jagadeesh Kona References: <20251024-sm8750-videocc-v2-v3-0-6286bbda3c8e@oss.qualcomm.com> <20251024-sm8750-videocc-v2-v3-1-6286bbda3c8e@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20251024-sm8750-videocc-v2-v3-1-6286bbda3c8e@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: QYmUEkfTFQM0Mjq13tYCOUra33-rF3oh X-Proofpoint-GUID: QYmUEkfTFQM0Mjq13tYCOUra33-rF3oh X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDIyMDE2NCBTYWx0ZWRfX9uKw/Lks7ide glvUuhwbEP0F8ICxkp/DSxlKTD2nX8qLBePnDDzkDcUq3tADXa0mfYFky32NlMt0J6zwyZ1w+kE kgibqEA0+LU/9i3//IV6Dpgj1o/0/5alkpLGj723NDvf7VtX8vZY64vNKRTR9HJu1sRJm+HaFzw Qz9jq+1uTMmvhqT24CntZCxMSWXQTtPG8/aNzEOo/3beHZTudSZ+LCo7yxef1dT6BQmEZVETgju itv3P8k7+q/VD1Q9LgqfCB120exbDFNWJ4jy5YWpr0F7d5kqWjP7M6WL9n9Q3rV/gfRogw/HO1R bHA5ap1YzhFq24rkq+zbkDQT70g3KEdgN1+PhsvfqEwrLYyTwN2VW6QgvqGef5Xnnq5Xdj68Ecj 4X/5gXwVYkvEutUsnYJBSozGC/PHKA== X-Authority-Analysis: v=2.4 cv=UOTQ3Sfy c=1 sm=1 tr=0 ts=68fb3b35 cx=c_pps a=wEM5vcRIz55oU/E2lInRtA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=Uv4cyzw5Fqc3vRoc6LAA:9 a=QEXdDO2ut3YA:10 a=OIgjcC2v60KrkQgK7BGD:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-23_03,2025-10-22_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 adultscore=0 clxscore=1015 phishscore=0 bulkscore=0 malwarescore=0 impostorscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510220164 On 10/24/25 6:24 AM, Taniya Das wrote: > Some clock branches require inverted logic for memory gating, where > disabling the memory involves setting a bit and enabling it involves > clearing the same bit. This behavior differs from the standard approach > memory branch clocks ops where enabling typically sets the bit. > > Introducing the mem_enable_invert to allow conditional handling of > these sequences of the inverted control logic for memory operations > required on those memory clock branches. > > Signed-off-by: Taniya Das > --- > drivers/clk/qcom/clk-branch.c | 10 ++++++---- > drivers/clk/qcom/clk-branch.h | 4 ++++ > 2 files changed, 10 insertions(+), 4 deletions(-) > > diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c > index 0f10090d4ae681babbdbbb1b6c68ffe77af7a784..4094ffc53d0c91dfa9e4263134c3a996100ad078 100644 > --- a/drivers/clk/qcom/clk-branch.c > +++ b/drivers/clk/qcom/clk-branch.c > @@ -141,9 +141,10 @@ static int clk_branch2_mem_enable(struct clk_hw *hw) > struct clk_branch branch = mem_br->branch; > u32 val; > int ret; > + bool en_val = (mem_br->mem_enable_invert ? false : true); " = !mem_br->mem_enable_invert" > > - regmap_update_bits(branch.clkr.regmap, mem_br->mem_enable_reg, > - mem_br->mem_enable_ack_mask, mem_br->mem_enable_ack_mask); > + regmap_assign_bits(branch.clkr.regmap, mem_br->mem_enable_reg, > + mem_br->mem_enable_mask, en_val); > > ret = regmap_read_poll_timeout(branch.clkr.regmap, mem_br->mem_ack_reg, > val, val & mem_br->mem_enable_ack_mask, 0, 200); > @@ -158,9 +159,10 @@ static int clk_branch2_mem_enable(struct clk_hw *hw) > static void clk_branch2_mem_disable(struct clk_hw *hw) > { > struct clk_mem_branch *mem_br = to_clk_mem_branch(hw); > + bool en_val = (mem_br->mem_enable_invert ? true : false); This value is a boolean already, you can inline it below Konrad