* [PATCH v14 12/17] OF/PCI: Add IORESOURCE_MEM_64 for 64-bit resource
[not found] ` <20160916200207.21439-1-yinghai-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
@ 2016-09-16 20:02 ` Yinghai Lu
0 siblings, 0 replies; only message in thread
From: Yinghai Lu @ 2016-09-16 20:02 UTC (permalink / raw)
To: Bjorn Helgaas, David Miller, Benjamin Herrenschmidt
Cc: Wei Yang, Khalid Aziz, linux-pci-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA, Yinghai Lu, Grant Likely,
Rob Herring, devicetree-u79uwXL29TY76Z2rM5mHXA
For device resource PREF bit setting under bridge 64-bit pref resource,
we need to make sure only set PREF for 64bit resource.
This patch 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-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Grant Likely <grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Tested-by: Khalid Aziz <khalid.aziz-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
---
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 02b2903..d1bb76c 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -131,9 +131,11 @@ 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;
--
2.8.3
--
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