linux-kernel - Re: [PATCH 03/10] fpga: fpga-mgr: dfl-fme-mgr: Simplify registration

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Message-ID: <20201004234008.GB111357@epycbox.lan>
Date:   Sun, 4 Oct 2020 16:40:08 -0700
From:   Moritz Fischer <mdf@...nel.org>
To:     Tom Rix <trix@...hat.com>
Cc:     Moritz Fischer <mdf@...nel.org>, linux-fpga@...r.kernel.org,
        hao.wu@...el.com, michal.simek@...inx.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        russell.h.weight@...el.com, matthew.gerlach@...el.com
Subject: Re: [PATCH 03/10] fpga: fpga-mgr: dfl-fme-mgr: Simplify registration

On Sun, Oct 04, 2020 at 11:22:31AM -0700, Tom Rix wrote:
> 
> On 10/3/20 10:14 PM, Moritz Fischer wrote:
> > Simplify registration using new devm_fpga_mgr_register() API.
> >
> > Signed-off-by: Moritz Fischer <mdf@...nel.org>
> > ---
> >  drivers/fpga/dfl-fme-mgr.c | 12 +-----------
> >  1 file changed, 1 insertion(+), 11 deletions(-)
> >
> > diff --git a/drivers/fpga/dfl-fme-mgr.c b/drivers/fpga/dfl-fme-mgr.c
> > index b3f7eee3c93f..3fc2be87d059 100644
> > --- a/drivers/fpga/dfl-fme-mgr.c
> > +++ b/drivers/fpga/dfl-fme-mgr.c
> > @@ -316,16 +316,7 @@ static int fme_mgr_probe(struct platform_device *pdev)
> >  	mgr->compat_id = compat_id;
> >  	platform_set_drvdata(pdev, mgr);
> 
Nice catch. Will fix.
> Is this call is still needed ?
> 
> Tom
> 
> >  
> > -	return fpga_mgr_register(mgr);
> > -}
> > -
> > -static int fme_mgr_remove(struct platform_device *pdev)
> > -{
> > -	struct fpga_manager *mgr = platform_get_drvdata(pdev);
> > -
> > -	fpga_mgr_unregister(mgr);
> > -
> > -	return 0;
> > +	return devm_fpga_mgr_register(dev, mgr);
> >  }
> >  
> >  static struct platform_driver fme_mgr_driver = {
> > @@ -333,7 +324,6 @@ static struct platform_driver fme_mgr_driver = {
> >  		.name    = DFL_FPGA_FME_MGR,
> >  	},
> >  	.probe   = fme_mgr_probe,
> > -	.remove  = fme_mgr_remove,
> >  };
> >  
> >  module_platform_driver(fme_mgr_driver);
> 

Cheers,
Moritz