mirror of https://github.com/hak5/openwrt.git
39 lines
973 B
Diff
39 lines
973 B
Diff
--- a/arch/arm/mach-ixp4xx/wg302v1-setup.c
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+++ b/arch/arm/mach-ixp4xx/wg302v1-setup.c
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@@ -117,6 +117,35 @@ static struct platform_device *wg302v1_d
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&wg302v1_eth[0],
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};
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+static char wg302v1_mem_fixup[] __initdata = " mem=32M";
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+
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+static void __init wg302v1_fixup(struct tag *tags, char **cmdline,
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+ struct meminfo *mi)
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+{
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+ struct tag *t = tags;
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+ char *p = *cmdline;
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+ size_t fixlen, cmdlen;
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+
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+ /* Find the end of the tags table, taking note of any cmdline tag. */
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+ for (; t->hdr.size; t = tag_next(t)) {
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+ if (t->hdr.tag == ATAG_CMDLINE) {
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+ p = t->u.cmdline.cmdline;
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+ }
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+ }
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+
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+ fixlen = strlen(wg302v1_mem_fixup);
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+ cmdlen = strlen(p);
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+ if (fixlen + cmdlen >= COMMAND_LINE_SIZE)
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+ return;
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+
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+ /* append the fixup to the cmdline */
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+ memmove(p + cmdlen, wg302v1_mem_fixup, fixlen + 1);
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+
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+ /* Adjust the size of the atag if there was one */
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+ if (t->hdr.size)
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+ t->hdr.size += fixlen;
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+}
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+
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static void __init wg302v1_init(void)
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{
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ixp4xx_sys_init();
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