linux-kernel - Re: [PATCH v2 2/4] edac: Add support for Amazon's Annapurna Labs L1 EDAC

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Date:   Tue, 9 Jul 2019 13:30:56 +0100
From:   Jonathan Cameron <jonathan.cameron@...wei.com>
To:     "Hawa, Hanna" <hhhawa@...zon.com>
CC:     <robh+dt@...nel.org>, <mark.rutland@....com>, <bp@...en8.de>,
        <mchehab@...nel.org>, <james.morse@....com>, <davem@...emloft.net>,
        <gregkh@...uxfoundation.org>, <linus.walleij@...aro.org>,
        <nicolas.ferre@...rochip.com>, <paulmck@...ux.ibm.com>,
        <dwmw@...zon.co.uk>, <benh@...zon.com>, <ronenk@...zon.com>,
        <talel@...zon.com>, <jonnyc@...zon.com>, <hanochu@...zon.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-edac@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] edac: Add support for Amazon's Annapurna Labs L1
 EDAC

On Tue, 9 Jul 2019 14:01:03 +0300
"Hawa, Hanna" <hhhawa@...zon.com> wrote:

> On 7/9/2019 12:32 PM, Jonathan Cameron wrote:
> >> Signed-off-by: Hanna Hawa<hhhawa@...zon.com>  
> > A quick drive by review as I was feeling curious.
> > 
> > Just a couple of trivial queries and observation on the fact it
> > might be useful to add a few devm managed functions to cut down
> > on edac driver boilerplate.
> > 
> > Thanks,
> > 
> > Jonathan
> >   
> >> +#define ARM_CA57_CPUMERRSR_VALID		GENMASK(31, 31)  
> > For a single bit it's common to use BIT(31) rather than GENMASK to make
> > it explicit.  
> 
> Will fix.
> 
> > 
> >   
> >> +	edac_dev->mod_name = dev_name(dev);  
> > I'd admit I'm not that familiar with edac, but seems odd that a
> > module name field would have the dev_name.  
> 
> Will fix when I got more inputs.
> 
> >   
> >> +	edac_device_free_ctl_info(edac_dev);  
> > More a passing observation than a suggestion for this driver, but if there was
> > ever a place where it looked like a couple of devm_ allocation functions would
> > be useful, this is it;)
> > 
> > edac_dev = devm_device_alloc_ctrl_info(dev, ...)
> > ...
> > devm_edac_device_add_device(dev, ...)  
> 
> I agree.
> I can implement the devm_* functions in separate patches as this is not 
> related to my patches (and not to delay this patches).
> 

Great.

Jonathan

> > 
> >