39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
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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+
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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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+ /* Overwrite the end of the table with a new cmdline tag. */
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+ t->hdr.tag = ATAG_CMDLINE;
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+ t->hdr.size = (sizeof (struct tag_header) +
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+ strlen(wg302v1_mem_fixup) + strlen(p) + 1 + 4) >> 2;
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+ strlcpy(t->u.cmdline.cmdline, wg302v1_mem_fixup, COMMAND_LINE_SIZE);
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+ strlcpy(t->u.cmdline.cmdline + strlen(wg302v1_mem_fixup), p,
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+ COMMAND_LINE_SIZE - strlen(wg302v1_mem_fixup));
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+
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+ /* Terminate the table. */
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+ t = tag_next(t);
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+ t->hdr.tag = ATAG_NONE;
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+ t->hdr.size = 0;
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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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