Hi, On 09/19/2013 11:41 PM, Russell King wrote: > Replace the following sequence: > > dma_set_mask(dev, mask); > dma_set_coherent_mask(dev, mask); > > with a call to the new helper dma_set_mask_and_coherent(). > > Signed-off-by: Russell King <[email protected]> > --- > arch/powerpc/kernel/vio.c | 3 +-- > 1 files changed, 1 insertions(+), 2 deletions(-) > > diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c > index 78a3506..96b6c97 100644 > --- a/arch/powerpc/kernel/vio.c > +++ b/arch/powerpc/kernel/vio.c > @@ -1413,8 +1413,7 @@ 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(&viodev->dev, DMA_BIT_MASK(64)); > - dma_set_coherent_mask(&viodev->dev, DMA_BIT_MASK(64)); > + dma_set_mask_and_coherent(&viodev->dev, DMA_BIT_MASK(64)); > } > > /* register with generic device framework */ >
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. Signed-off-by: Cédric Le Goater <[email protected]> --- 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 ------------------------------------------------------------------------------ DreamFactory - Open Source REST & JSON Services for HTML5 & Native Apps OAuth, Users, Roles, SQL, NoSQL, BLOB Storage and External API Access Free app hosting. Or install the open source package on any LAMP server. Sign up and see examples for AngularJS, jQuery, Sencha Touch and Native! http://pubads.g.doubleclick.net/gampad/clk?id=63469471&iu=/4140/ostg.clktrk _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
