linux-kernel - Re: [PATCH v6 2/2] misc: nxp-sr1xx: UWB driver support for sr1xx series chip

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Message-ID: <93fbb172-2b0a-cfb1-effd-1b6f1245f91f@linaro.org>
Date:   Tue, 20 Dec 2022 16:58:23 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manjunatha Venkatesh <manjunatha.venkatesh@....com>,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        will@...nel.org, axboe@...nel.dk, robh+dt@...nel.org
Cc:     mb@...htnvm.io, ckeepax@...nsource.cirrus.com, arnd@...db.d,
        mst@...hat.com, javier@...igon.com, mikelley@...rosoft.com,
        jasowang@...hat.com, sunilmut@...rosoft.com,
        bjorn.andersson@...aro.org, krzysztof.kozlowski+dt@...aro.org,
        devicetree@...r.kernel.org, ashish.deshpande@....com,
        rvmanjumce@...il.com, Kwame Adwere <kwame.adwere@....com>
Subject: Re: [PATCH v6 2/2] misc: nxp-sr1xx: UWB driver support for sr1xx
 series chip

On 20/12/2022 16:47, Manjunatha Venkatesh wrote:
> Ultra-wideband (UWB) is a short-range wireless communication protocol.
> 
> NXP has SR1XX family of UWB Subsystems (UWBS) devices. SR1XX SOCs
> are FiRa Compliant. SR1XX SOCs are flash less devices and they need
> Firmware Download on every device boot. More details on the SR1XX Family
> can be found at https://www.nxp.com/products/:UWB-TRIMENSION
> 

(...)

> +
> +/**
> + * sr1xx_dev_suspend
> + *
> + * Executed before putting the system into a sleep state
> + *
> + */
> +int sr1xx_dev_suspend(struct device *dev)
> +{
> +	struct sr1xx_dev *sr1xx_dev = dev_get_drvdata(dev);
> +
> +	if (device_may_wakeup(dev))
> +		disable_irq_wake(sr1xx_dev->spi->irq);
> +	return 0;
> +}
> +
> +/**
> + * sr1xx_dev_resume
> + *
> + * Executed after waking the system up from a sleep state
> + *
> + */

Lines of comments or code should not be part of anyone's Key Performance
Indicators (KPI). Don't bring your KPI to Linux. Drop all such useless
comments and adjust your style to Linux coding style.

Best regards,
Krzysztof