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3058e283b8
Add macro fdt_for_each_node_by_compatible() to allow iterating over
fdt nodes by compatible string.
Convert various usages of
off = fdt_node_offset_by_compatible(fdt, start, compat);
while (off > 0) {
code();
off = fdt_node_offset_by_compatible(fdt, off, compat);
}
and similar, to
fdt_for_each_node_by_compatible(off, fdt, start, compat)
code();
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
28 lines
772 B
C
28 lines
772 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Common code for Allwinner SimpleFB with pipeline.
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*
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* (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
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* (C) Copyright 2014-2015 Hans de Goede <hdegoede@redhat.com>
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* (C) Copyright 2017 Icenowy Zheng <icenowy@aosc.io>
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*/
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#include <fdt_support.h>
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int sunxi_simplefb_fdt_match(void *blob, const char *pipeline)
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{
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int offset, ret;
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/* Find a prefilled simpefb node, matching out pipeline config */
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offset = fdt_node_offset_by_compatible(blob, -1,
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"allwinner,simple-framebuffer");
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fdt_for_each_node_by_compatible(offset, blob, -1,
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"allwinner,simple-framebuffer") {
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ret = fdt_stringlist_search(blob, offset, "allwinner,pipeline",
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pipeline);
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if (ret == 0)
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break;
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}
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return offset;
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}
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