Re: [PATCH 1/1] pata_it821x: fix lost interrupt with atapi devices

[Jeff Garzik]

Jeff Norden wrote:
>  From: Jeff Norden <jnorden@xxxxxxxxxxxxxxx>
>
> Fix "lost" interrupt problem when using dma with CD/DVD drives in some
> configurations.  This problem can make installing linux from media
> impossible for distro's that have switched to libata-only configurations.
>
> The simple fix is to eliminate the use of dma for reading drive status, etc,
> by checking the number of bytes to transferred.
>
> This change will only affect the behavior of atapi devices, not disks.
> There is more info at http://bugzilla.redhat.com/show_bug.cgi?id=242229
> This patch is for 2.6.22.1
>
> Signed-off-by: Jeff Norden <jnorden@xxxxxxxxxxxxxxx>

applied


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