Re: [PATCH] sata_mv: Fix broken Marvell 7042 support.

[Jeff Garzik <jgarzik@pobox.com>]

Mark Lord wrote:
> sata_mv:  Fix broken Marvell 7042 support.
> 
> The Marvell 7042 chip is more or less the same as the 6042 internally,
> but sports a PCIe bus.  Despite having identical SATA cores, the 7042
> does differ from its PCI bus counterparts in placment and layout of
> certain bus related registers.
> 
> This patch fixes sata_mv to distinguish between the PCI bus registers
> of earlier chips, and the PCIe bus registers of the 7042.
> 
> Specifically, move the offsets and bit patterns for the
> PCI/PCIe interrupt cause/mask registers into the struct mv_host_priv,
> as these values differ between the 6xxx and 7xxx series chips.
> 
> This fixes the driver to not access reserved PCI addresses,
> and prevents the lockups reported in linux-2.6.24 with 7042 boards.
> 
> Also add a new PCI ID for the Highpoint 2300 7042-based board
> that I'm using for testing this stuff here.
> 
> Tested with Marvell 6081 + 7042 chips, on x86 & x86_64.
> 
> Signed-off-by: Mark Lord <mlord@pobox.com>

applied #upstream-fixes