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Date: Mon, 16 Feb 2009 18:56:10 -0500 From: Jeff Garzik <jgarzik@...ox.com> To: Sergei Shtylyov <sshtylyov@...mvista.com> CC: linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk, rjw@...k.pl, akpm@...ux-foundation.org Subject: Re: [PATCH 1/2] libata-sff: fix 32-bit PIO ATAPI regression Sergei Shtylyov wrote: > Commit 871af1210f13966ab911ed2166e4ab2ce775b99d (libata: Add 32bit PIO support) > has caused all kinds of errors on the ATAPI devices, so it has been empirically > proven that one shouldn't try to read/write an extra data word when a device is > not expecting it already. "Don't do it then"; however, still use a chance to do > 32-bit read/write one last time when there are exactly 3 trailing bytes. > > Oh, and stop pointlessly swapping the bytes to and fro on big-endian machines > by using io*_rep() accessors which shouldn't byte-swap. > > This patch should fix the kernel.org bug #12609. > > Signed-off-by: Sergei Shtylyov <sshtylyov@...mvista.com> > > --- > Added the comments and signoff. > The patch is against the recent Linus' tree. > It's a hopefully better replacement for Hugh Dickins most recent patch > (http://marc.info/?l=linux-ide&m=123352294619281)... applied, much appreciated! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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