On Fri, Nov 15, 2013 at 05:16:55PM +0100, Cedric Le Goater wrote: > The new helper routine dma_set_mask_and_coherent() breaks the > initialization of the pseries vio devices which do not have an > initial dev->dma_mask. I think we need to use dma_coerce_mask_and_coherent() > instead.
Who wants to handle this patch? Also, is it possible to fix it so that dev->dma_mask is correctly setup by the code which creates the device, as it should be in the first place? Thanks > Signed-off-by: Cédric Le Goater <c...@fr.ibm.com> > --- > arch/powerpc/kernel/vio.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c > index e7d0c88f..76a6482 100644 > --- a/arch/powerpc/kernel/vio.c > +++ b/arch/powerpc/kernel/vio.c > @@ -1419,7 +1419,7 @@ struct vio_dev *vio_register_device_node(struct > device_node *of_node) > > /* needed to ensure proper operation of coherent allocations > * later, in case driver doesn't set it explicitly */ > - dma_set_mask_and_coherent(&viodev->dev, DMA_BIT_MASK(64)); > + dma_coerce_mask_and_coherent(&viodev->dev, DMA_BIT_MASK(64)); > } > > /* register with generic device framework */ > -- > 1.7.10.4 > > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-ker...@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
