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authorMark Lord <liml@rtr.ca>2007-12-01 13:07:22 -0500
committerJeff Garzik <jeff@garzik.org>2007-12-01 17:44:10 -0500
commit02a121da5a53d415b6596bc19cc6999d295d32a4 (patch)
tree4016dd755dcbb1339bc3d742b1e8bdf1cd14991c /include/linux/radeonfb.h
parent0f9fe9b7148f95f018ae2c97f7fa1a35364ea785 (diff)
sata_mv: Fix broken Marvell 7042 support.
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> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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