linux-kernel - Re: [BISECTED REGRESSION] b43legacy broken on G4 PowerBook

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Message-ID: <20190607172902.GA8183@lst.de>
Date:   Fri, 7 Jun 2019 19:29:02 +0200
From:   Christoph Hellwig <hch@....de>
To:     Larry Finger <Larry.Finger@...inger.net>
Cc:     Aaro Koskinen <aaro.koskinen@....fi>,
        Christoph Hellwig <hch@....de>,
        Christian Zigotzky <chzigotzky@...osoft.de>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [BISECTED REGRESSION] b43legacy broken on G4 PowerBook

I don't think we should work around this in the driver, we need to fix
it in the core.  I'm curious why my previous patch didn't work.  Can
you throw in a few printks what failed?  I.e. did dma_direct_supported
return false?  Did the actual allocation fail?