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authorLeif Lindholm <leif.lindholm@linaro.org>2014-04-17 18:42:01 +0100
committerGrant Likely <grant.likely@linaro.org>2014-05-23 11:21:45 +0900
commitb44aa25d20e2ef6b824901cbc50a281791f3b421 (patch)
tree0e9bccb8e99978241b40045e7d7da1c5bbcd54cd /drivers/of/fdt.c
parentff5f762b44237deb83be7bf6db965eeafadfa3e1 (diff)
downloadlinux-b44aa25d20e2ef6b824901cbc50a281791f3b421.tar.bz2
of: Handle memory@0 node on PPC32 only
In order to deal with an firmware bug on a specific ppc32 platform (longtrail), early_init_dt_scan_memory() looks for a node called memory@0 on all platforms. Restrict this quirk to ppc32 kernels only. Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Cc: linuxppc-dev@lists.ozlabs.org Cc: Grant Likely <grant.likely@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'drivers/of/fdt.c')
-rw-r--r--drivers/of/fdt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index d429826b61a5..17be90f5445f 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -748,7 +748,7 @@ int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
* The longtrail doesn't have a device_type on the
* /memory node, so look for the node called /memory@0.
*/
- if (depth != 1 || strcmp(uname, "memory@0") != 0)
+ if (!IS_ENABLED(CONFIG_PPC32) || depth != 1 || strcmp(uname, "memory@0") != 0)
return 0;
} else if (strcmp(type, "memory") != 0)
return 0;