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MIPS: bcm47xx: read baordrev without prefix from sprom
author
Hauke Mehrtens
<hauke@hauke-m.de>
Sun, 29 Apr 2012 00:04:09 +0000
(
02:04
+0200)
committer
John W. Linville
<linville@tuxdriver.com>
Wed, 16 May 2012 16:45:21 +0000
(12:45 -0400)
When the boardrev with a prefix is not available, try to read it
without a prefix. This is based on code from the Broadcom SDK.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
arch/mips/bcm47xx/sprom.c
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diff --git
a/arch/mips/bcm47xx/sprom.c
b/arch/mips/bcm47xx/sprom.c
index a29d20743039e6270cb7ea1a847b47312fa07415..17282e0d7835f3208049f219d37f66de1de28b6a 100644
(file)
--- a/
arch/mips/bcm47xx/sprom.c
+++ b/
arch/mips/bcm47xx/sprom.c
@@
-165,6
+165,8
@@
static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
const char *prefix)
{
nvram_read_u16(prefix, NULL, "boardrev", &sprom->board_rev, 0);
+ if (!sprom->board_rev)
+ nvram_read_u16(NULL, NULL, "boardrev", &sprom->board_rev, 0);
nvram_read_u16(prefix, NULL, "boardnum", &sprom->board_num, 0);
nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff);
nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff);
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