Re: [PATCH v4 43/52] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource

From: Rob Herring
Date: Fri Aug 21 2015 - 14:18:53 EST


On Fri, Aug 21, 2015 at 1:20 AM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> For device resource PREF bit setting under bridge 64-bit pref resource,
> we need to make sure only set PREF for 64bit resource, so set
> IORESOUCE_MEM_64 for 64bit resource during OF device resource flags
> parsing.
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=96261
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=96241
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> Cc: Grant Likely <grant.likely@xxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx

My comment from v1[1] is not addressed still.

Rob

[1] https://lkml.org/lkml/2015/7/10/736

> ---
> drivers/of/address.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/of/address.c b/drivers/of/address.c
> index 8bfda6a..073125f 100644
> --- a/drivers/of/address.c
> +++ b/drivers/of/address.c
> @@ -128,9 +128,11 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr)
> flags |= IORESOURCE_IO;
> break;
> case 0x02: /* 32 bits */
> - case 0x03: /* 64 bits */
> flags |= IORESOURCE_MEM;
> break;
> + case 0x03: /* 64 bits */
> + flags |= IORESOURCE_MEM | IORESOURCE_MEM_64;
> + break;
> }
> if (w & 0x40000000)
> flags |= IORESOURCE_PREFETCH;
> --
> 1.8.4.5
>
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