On Wed, 2010-09-15 at 11:05 -0700, Nishanth Aravamudan wrote:
> Without this change drivers, such as ibmvscsi, fail to load with the
> previous change.
> ---
So you broke bisection... fold the patch instead or invert them
Cheers,
Ben.
> arch/powerpc/kernel/vio.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
> index 3c3083f..e8d73de 100644
> --- a/arch/powerpc/kernel/vio.c
> +++ b/arch/powerpc/kernel/vio.c
> @@ -1259,6 +1259,9 @@ struct vio_dev *vio_register_device_node(struct
> device_node *of_node)
> viodev->dev.parent = &vio_bus_device.dev;
> viodev->dev.bus = &vio_bus_type;
> viodev->dev.release = vio_dev_release;
> + /* needed to ensure proper operation of coherent allocations
> + * later, in case driver doesn't set it explicitly */
> + dma_set_coherent_mask(&viodev->dev, DMA_BIT_MASK(64));
>
> /* register with generic device framework */
> if (device_register(&viodev->dev)) {
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