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318e19ba67
adds v4.14 patches for testing but leaves v4.9 as default for now. Signed-off-by: John Crispin <john@phrozen.org>
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From: Gabor Juhos <juhosg@freemail.hu>
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Date: Sat, 2 Dec 2017 19:15:29 +0100
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Subject: [PATCH] MIPS: ath79: fix board detection with newer RouterBOOT versions
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Recent RouterBOOT version (at least version 3.41 on RB911G-5HPacD)
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use "Board=" kernel parameter instead of "board=" to pass the board
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name to the kernel. Due to this change the board detection code is
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not working on the devices shipped with the new RouterBOOT version.
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Because the kernel is unable to identify these boards they become
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unusable despite that they are supported by the current code.
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Update the prom_init code to convert the 'Board' kernel parameter to
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'board'. After this change, the board detection works also with the
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new RouterBOOT versions.
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Signed-off-by: Gabor Juhos <juhosg@freemail.hu>
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---
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--- a/arch/mips/ath79/prom.c
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+++ b/arch/mips/ath79/prom.c
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@@ -104,6 +104,7 @@ static int __init ath79_prom_init_myload
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void __init prom_init(void)
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{
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const char *env;
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+ char *c;
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if (ath79_prom_init_myloader())
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return;
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@@ -137,6 +138,15 @@ void __init prom_init(void)
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}
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#endif
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+ /*
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+ * RouterBOOT uses "Board" kernel parameter instead of "board" since
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+ * version 3.41 (or so). Replace the first character of the parameter
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+ * to keep board detection working.
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+ */
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+ c = strstr(arcs_cmdline, "Board=");
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+ if (c)
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+ c[0] = 'b';
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+
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if (strstr(arcs_cmdline, "board=750Gr3") ||
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strstr(arcs_cmdline, "board=750i") ||
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strstr(arcs_cmdline, "board=750-hb") ||
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