On Wed, Sep 27, 2023 at 02:46:21PM +0200, Manivannan Sadhasivam wrote:
> On Tue, Sep 26, 2023 at 10:04:45AM -0400, Frank Li wrote:
> > From: Guanhua Gao <guanhua....@nxp.com>
> > 
> > Set DMA mask and coherent DMA mask to enable 64-bit addressing.
> > 
> > Signed-off-by: Guanhua Gao <guanhua....@nxp.com>
> > Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com>
> > Signed-off-by: Frank Li <frank...@nxp.com>
> 
> Acked-by: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org>

@Lorenzo 

Could you please consider pick this patch?
Manivannan already reviewed and only impact layerscape.

Frank
 

> 
> - Mani
> 
> > ---
> > 
> > Notes:
> >     change from v2 to v3
> >     - remove check return value of dma_set_mask_and_coherent. 64bit mask 
> > always
> >     return success.
> >     - remove redundate comments
> >     change from v1 to v2
> >     - Remove 32bit DMA mask set.
> > 
> >  drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c 
> > b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > index de4c1758a6c3..2c2c9aaa8700 100644
> > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > @@ -249,6 +249,8 @@ static int __init ls_pcie_ep_probe(struct 
> > platform_device *pdev)
> >  
> >     pcie->big_endian = of_property_read_bool(dev->of_node, "big-endian");
> >  
> > +   dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
> > +
> >     platform_set_drvdata(pdev, pcie);
> >  
> >     ret = dw_pcie_ep_init(&pci->ep);
> > -- 
> > 2.34.1
> > 
> 
> -- 
> மணிவண்ணன் சதாசிவம்

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