From: Mukesh Savaliya <mukesh.savaliya@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
viken.dadhaniya@oss.qualcomm.com, andi.shyti@kernel.org,
linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c: qcom-geni: Use devm_pm_runtime_enable() for PM management
Date: Mon, 13 Jul 2026 10:11:18 +0530 [thread overview]
Message-ID: <0e13982d-8eec-4662-a53f-cdfbcce5fbba@oss.qualcomm.com> (raw)
In-Reply-To: <cf80fc3e-2cfb-4bf0-bc20-dffecd347817@oss.qualcomm.com>
On 7/10/2026 5:59 PM, Konrad Dybcio wrote:
> On 7/10/26 2:13 PM, Mukesh Kumar Savaliya wrote:
[...]
>>
>> Changes:
>> - Replace pm_runtime_enable() with devm_pm_runtime_enable() in probe()
>> - Remove pm_runtime_disable() from remove() function
>> - Remove pm_runtime_disable() from probe() error paths after
>> geni_i2c_init() and i2c_add_adapter()
>> - Use 'dev' pointer consistently instead of 'gi2c->se.dev' for PM APIs
>
> Drop this paragraph, describing changes like is unnecessary since
> we can just infer this from the diff
>
Agree, will remove these bulleted points.
>>
>> Signed-off-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com>
>> ---
>> drivers/i2c/busses/i2c-qcom-geni.c | 25 +++++++++++--------------
>> 1 file changed, 11 insertions(+), 14 deletions(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
>> index 96dbf04138be..6d6c2fa287ca 100644
>> --- a/drivers/i2c/busses/i2c-qcom-geni.c
>> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
>> @@ -1126,27 +1126,25 @@ static int geni_i2c_probe(struct platform_device *pdev)
>> gi2c->adap.dev.of_node = dev->of_node;
>> strscpy(gi2c->adap.name, "Geni-I2C", sizeof(gi2c->adap.name));
>>
>> - pm_runtime_set_suspended(gi2c->se.dev);
>> - pm_runtime_set_autosuspend_delay(gi2c->se.dev, I2C_AUTO_SUSPEND_DELAY);
>> - pm_runtime_use_autosuspend(gi2c->se.dev);
>> - pm_runtime_enable(gi2c->se.dev);
>> + ret = devm_pm_runtime_enable(dev);
>> + if (ret)
>> + return ret;
>
> This shifts the enabling of runpm> +
i had doubt, when i tested this, could not see any impact.
Thanks for the pointing and correcting.
>> + pm_runtime_set_suspended(dev);
>> + pm_runtime_set_autosuspend_delay(dev, I2C_AUTO_SUSPEND_DELAY);
>> + pm_runtime_use_autosuspend(dev);
>
>
> ..which is wrong since:
yes, agreed.
>
> /**
> * pm_runtime_set_suspended - Set runtime PM status to "suspended".
> * @dev: Target device.
> *
> * Set the runtime PM status of @dev to %RPM_SUSPENDED and ensure that
> * dependencies of it will be taken into account.
> *
> * It is not valid to call this function for devices with runtime PM enabled.
> */
>
>
> Konrad
prev parent reply other threads:[~2026-07-13 4:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-10 12:13 Mukesh Kumar Savaliya
2026-07-10 12:29 ` Konrad Dybcio
2026-07-13 4:41 ` Mukesh Savaliya [this message]
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