linux-kernel - Re: [PATCH 1/2] dmaengine: xilinx

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Date:   Thu, 21 Jul 2022 19:06:19 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     "Agarwal, Swati" <swati.agarwal@....com>
Cc:     Swati Agarwal <swati.agarwal@...inx.com>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "adrianml@...mnos.upm.es" <adrianml@...mnos.upm.es>,
        "libaokun1@...wei.com" <libaokun1@...wei.com>,
        "marex@...x.de" <marex@...x.de>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "harini.katakam@...inx.com" <harini.katakam@...inx.com>,
        "radhey.shyam.pandey@...inx.com" <radhey.shyam.pandey@...inx.com>,
        "michal.simek@...inx.com" <michal.simek@...inx.com>,
        "Katakam, Harini" <harini.katakam@....com>,
        "Pandey, Radhey Shyam" <radhey.shyam.pandey@....com>,
        "Simek, Michal" <michal.simek@....com>
Subject: Re: [PATCH 1/2] dmaengine: xilinx_dma: Fix probe error cleanup

On 12-07-22, 07:36, Agarwal, Swati wrote:
> Hi Vinod,
> 
> > -----Original Message-----
> > From: Vinod Koul <vkoul@...nel.org>
> > Sent: Friday, July 1, 2022 5:21 PM
> > To: Swati Agarwal <swati.agarwal@...inx.com>
> > Cc: lars@...afoo.de; adrianml@...mnos.upm.es; libaokun1@...wei.com;
> > marex@...x.de; dmaengine@...r.kernel.org; linux-arm-
> > kernel@...ts.infradead.org; linux-kernel@...r.kernel.org;
> > harini.katakam@...inx.com; radhey.shyam.pandey@...inx.com;
> > michal.simek@...inx.com
> > Subject: Re: [PATCH 1/2] dmaengine: xilinx_dma: Fix probe error cleanup
> > 
> > CAUTION: This message has originated from an External Source. Please use
> > proper judgment and caution when opening attachments, clicking links, or
> > responding to this email.
> > 
> > 
> > On 24-06-22, 12:05, Swati Agarwal wrote:
> > > When probe fails remove dma channel resources and disable clocks in
> > > accordance with the order of resources allocated .
> > 
> > Ok this looks fine and the changes below..
> 
> Thanks for the review!!
> Sorry for the delayed reply. I missed this mail due to some mailer issues.
> 
> > >
> > > Add missing cleanup in devm_platform_ioremap_resource(),
> > > xlnx,num-fstores property.
> > 
> > Where is this part?
> 
> The statement is an elaboration of the previous one. The relevant code is below.

Okay, a patch should do only One thing, pls consider splitting it up...

> 
> <snip>
> > >       /* Request and map I/O memory */
> > >       xdev->regs = devm_platform_ioremap_resource(pdev, 0);
> > > -     if (IS_ERR(xdev->regs))
> > > -             return PTR_ERR(xdev->regs);
> > > +     if (IS_ERR(xdev->regs)) {
> > > +             err = PTR_ERR(xdev->regs);
> > > +             goto disable_clks;
> > > +     }
> 
> This  
> 
> <snip>
> > >               if (err < 0) {
> > >                       dev_err(xdev->dev,
> > >                               "missing xlnx,num-fstores property\n");
> > > -                     return err;
> > > +                     goto disable_clks;
> > >               }
> 
> And this
> 
> Regards,
> Swati Agarwal

-- 
~Vinod