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From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Bjorn Andersson <quic_bjorande@quicinc.com>
Cc: AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>,
	Stephen Boyd <sboyd@kernel.org>, Niklas Cassel <nks@flawful.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Robert Marko <robimarko@gmail.com>,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
	Jeffrey Hugo <quic_jhugo@quicinc.com>,
	Marijn Suijten <marijn.suijten@somainline.org>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@somainline.org>
Subject: Re: [PATCH v14 4/9] soc: qcom: cpr: Move common functions to new file
Date: Wed, 19 Jun 2024 01:33:45 +0200	[thread overview]
Message-ID: <f8cd4691-48fd-42a9-8e4e-e942c4475ddd@linaro.org> (raw)
In-Reply-To: <20230829151509.GN818859@hu-bjorande-lv.qualcomm.com>



On 8/29/23 17:15, Bjorn Andersson wrote:
> On Mon, Aug 28, 2023 at 01:42:16PM +0200, Konrad Dybcio wrote:
>> From: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
>>
> 
> It seems reasonable to update the subject prefix, now that things have
> moved to the genpd subsystem.

Ack

> 
>> In preparation for implementing a new driver that will be handling
>> CPRv3, CPRv4 and CPR-Hardened, format out common functions to a new
>> file.
>>
>> Update cpr_get_fuses in preparation for CPR3 implementation, change
>> parameters where necessary to not take cpr.c private data structures.
>>
>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
>> [Konrad: rebase, apply review comments, improve msg, split]
>> Tested-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
>> ---
>>   drivers/genpd/qcom/Makefile     |   2 +-
>>   drivers/genpd/qcom/cpr-common.c | 350 ++++++++++++++++++++++++++++++++++++
>>   drivers/genpd/qcom/cpr-common.h | 103 +++++++++++
>>   drivers/genpd/qcom/cpr.c        | 384 +++-------------------------------------
>>   4 files changed, 475 insertions(+), 364 deletions(-)
>>
>> diff --git a/drivers/genpd/qcom/Makefile b/drivers/genpd/qcom/Makefile
>> index 403dfc5af095..b28c8d9128c4 100644
>> --- a/drivers/genpd/qcom/Makefile
>> +++ b/drivers/genpd/qcom/Makefile
>> @@ -1,4 +1,4 @@
>>   # SPDX-License-Identifier: GPL-2.0
>> -obj-$(CONFIG_QCOM_CPR)		+= cpr.o
>> +obj-$(CONFIG_QCOM_CPR)		+= cpr-common.o cpr.o
> 
> Is there a reason for this to be split in two drivers? Would it make
> sense to rewrite this such that the result ends up as a single .ko?

cpr1 is far, far simpler.. I'm not sure if sprinkling millions of ifs
everywhere is worth it

> 
> Then you shouldn't need to EXPORT_SYMBOL between the two parts of the
> same "driver".
I suppose it's a balance of code complexity (see /\) vs kernel size

Konrad

  parent reply	other threads:[~2024-06-18 23:33 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-28 11:42 [PATCH v14 0/9] Add support for Core Power Reduction v3, v4 and Hardened Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 1/9] MAINTAINERS: Add entry for Qualcomm CPRv3/v4/Hardened driver Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 2/9] dt-bindings: opp: v2-qcom-level: Document CPR3 open/closed loop volt adjustment Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 3/9] dt-bindings: soc: qcom: cpr3: Add bindings for CPR3 driver Konrad Dybcio
2023-08-29 11:01   ` Ulf Hansson
2023-08-31 16:28     ` Rob Herring
2023-08-31 16:40       ` Konrad Dybcio
2023-08-31 22:02         ` Ulf Hansson
2023-09-09 12:00           ` Konrad Dybcio
2023-08-31 21:47       ` Ulf Hansson
2023-08-28 11:42 ` [PATCH v14 4/9] soc: qcom: cpr: Move common functions to new file Konrad Dybcio
2023-08-29 15:15   ` Bjorn Andersson
2023-09-09 11:59     ` Konrad Dybcio
2024-06-18 23:33     ` Konrad Dybcio [this message]
2023-08-28 11:42 ` [PATCH v14 5/9] soc: qcom: cpr-common: Add support for flat fuse adjustment Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 6/9] soc: qcom: cpr: Use u64 for frequency Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 7/9] soc: qcom: cpr-common: Add threads support Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 8/9] soc: qcom: Add support for Core Power Reduction v3, v4 and Hardened Konrad Dybcio
2023-09-06 10:23   ` Ulf Hansson
2024-06-19 20:07     ` Konrad Dybcio
2023-08-28 11:42 ` [PATCH v14 9/9] arm64: dts: qcom: msm8998: Configure CPRh Konrad Dybcio
2024-06-12  7:53 ` [PATCH v14 0/9] Add support for Core Power Reduction v3, v4 and Hardened Varadarajan Narayanan
2024-06-18 23:58   ` Konrad Dybcio
2024-06-19  7:09     ` Varadarajan Narayanan

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