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dm: core: Scan "/firmware" node by default

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All Linux firmware drivers are put under "/firmware" node
and it has support to populate "/firmware" node by default.

u-boot and Linux can share same DTB. In this case, driver
probe for devices under "/firmware" will not be invoked
as "/firmware" does not have its own "compatible" property.

This patch scans "/firmware" node by default like "/clocks".

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Rajan Vaja 2018-08-10 01:45:34 -07:00 • committed by Simon Glass
parent 68d215d907
commit 1712ca2192
1 changed files with 7 additions and 1 deletions
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8
drivers/core/root.c
View file

@ -357,8 +357,14 @@ int dm_extended_scan_fdt(const void *blob, bool pre_reloc_only)
}
ret = dm_scan_fdt_ofnode_path("/clocks", pre_reloc_only);
if (ret)
if (ret) {
debug("scan for /clocks failed: %d\n", ret);
return ret;
}
ret = dm_scan_fdt_ofnode_path("/firmware", pre_reloc_only);
if (ret)
debug("scan for /firmware failed: %d\n", ret);
return ret;
}