linux-kernel - Re: [PATCH 2/8] i2c: i2c-qcom-geni: Signify successful driver probe

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Message-ID: <20190605184941.GU4797@dell>
Date:   Wed, 5 Jun 2019 19:49:41 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Wolfram Sang <wsa@...-dreams.de>
Cc:     Johan Hovold <johan@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>, balbi@...nel.org,
        wsa+renesas@...g-engineering.com, gregkh@...uxfoundation.org,
        linus.walleij@...aro.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, david.brown@...aro.org,
        alokc@...eaurora.org, kramasub@...eaurora.org,
        linux-i2c@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, andy.gross@...aro.org,
        jlhugo@...il.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/8] i2c: i2c-qcom-geni: Signify successful driver probe

On Wed, 05 Jun 2019, Wolfram Sang wrote:

> 
> > To enable dynamic debugging in driver core you could use something like
> > 
> > 	CONFIG_CMDLINE="dyndbg=\"func really_probe =p\""
> > 
> > That gives you two printouts per successful probe, for example:
> > 
> > 	bus: 'usb-serial': really_probe: probing driver edgeport_ti_1 with device ttyUSB0
> > 	bus: 'usb-serial': really_probe: bound device ttyUSB0 to driver edgeport_ti_1
> 
> I agree that this scales much better than adding strings to every
> driver. Also, the driver core will report failed probes other than
> -ENODEV, or?
> 
> Regarding this patch, however, I don't care much. I'll let the driver
> maintainers decide.

I've downgraded this to dev_dbg() in v2.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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