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Message-ID: <f9339226-cad4-4d1a-9465-c4f64de0b799@linaro.org>
Date: Thu, 23 Nov 2023 13:53:31 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>, hverkuil-cisco@...all.nl,
laurent.pinchart@...asonboard.com, Robert Foss <rfoss@...nel.org>,
Todor Tomov <todor.too@...il.com>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
matti.lehtimaki@...il.com, quic_grosikop@...cinc.com
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 4/7] media: qcom: camss: Move VFE power-domain
specifics into vfe.c
On 23/11/2023 12:04, Konrad Dybcio wrote:
>> - if (camss->genpd_num > camss->res->vfe_num)
>> - device_link_del(camss->genpd_link[camss->genpd_num - 1]);
>> + if (camss->genpd_link)
>> + device_link_del(camss->genpd_link);
>> +
>> + dev_pm_domain_detach(camss->genpd, true);
>> - for (i = 0; i < camss->genpd_num; i++)
>> - dev_pm_domain_detach(camss->genpd[i], true);
>> + camss_genpd_subdevice_cleanup(camss);
> This changes the behavior, previously CAMSS_TOP was shut down last
Nope it was first. As a testament to how confusing this code was this is
TOP completely not obviously..
if (camss->genpd_num > camss->res->vfe_num)
device_link_del(camss->genpd_link[camss->genpd_num - 1]);
so this is equivalent
if (camss->genpd_link)
device_link_del(camss->genpd_link);
Since I'm V6ing to add the additional patch, I will change the logic
here to make TOP unlink last though because, logic.
---
bod
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