linux-kernel - Re: [PATCH v2 04/12] cxl: Unify debug messages when calling devm_cxl_add

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Message-ID: <Y1JfmXH43ODfdSFs@rric.localdomain>
Date:   Fri, 21 Oct 2022 11:00:09 +0200
From:   Robert Richter <rrichter@....com>
To:     Dan Williams <dan.j.williams@...el.com>
CC:     Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Ben Widawsky <bwidawsk@...nel.org>,
        <linux-cxl@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Davidlohr Bueso <dave@...olabs.net>
Subject: Re: [PATCH v2 04/12] cxl: Unify debug messages when calling
 devm_cxl_add_dport()

On 20.10.22 17:32:58, Dan Williams wrote:
> Robert Richter wrote:

> > diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
> > index a072b2d3e726..c610625e8261 100644
> > --- a/tools/testing/cxl/test/cxl.c
> > +++ b/tools/testing/cxl/test/cxl.c
> > @@ -582,14 +582,8 @@ static int mock_cxl_port_enumerate_dports(struct cxl_port *port)
> >  		dport = devm_cxl_add_dport(port, &pdev->dev, pdev->id,
> >  					   CXL_RESOURCE_NONE);
> >  
> > -		if (IS_ERR(dport)) {
> > -			dev_err(dev, "failed to add dport: %s (%ld)\n",
> > -				dev_name(&pdev->dev), PTR_ERR(dport));
> > +		if (IS_ERR(dport))
> >  			return PTR_ERR(dport);
> > -		}
> > -
> > -		dev_dbg(dev, "add dport%d: %s\n", pdev->id,
> > -			dev_name(&pdev->dev));
> 
> This hunk causes this new compile error:
> 
> tools/testing/cxl/test/cxl.c: In function ‘mock_cxl_port_enumerate_dports’:
> tools/testing/cxl/test/cxl.c:559:24: error: unused variable ‘dev’ [-Werror=unused-variable]
>   559 |         struct device *dev = &port->dev;
>       |                        ^~~
> cc1: all warnings being treated as errors
> 
> I fixed it up locally, but just double check that you are building
> cxl_test if you touch tools/testing/cxl/:
> 
>     make M=tools/testing/cxl

Right. Thanks for fixing. Will build test in the future.

-Robert