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brcmutil: add helper function to format board revision

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The board revision that is available in hardware can be translated
so it matches the labelling on the board. This is accomplished by
this helper function.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Arend van Spriel 2014-11-25 20:55:53 +01:00 committed by John W. Linville
parent 87dd2d76a9
commit 56f0b750fc
2 changed files with 18 additions and 0 deletions
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16
drivers/net/wireless/brcm80211/brcmutil/utils.c
View File

@ -261,6 +261,21 @@ struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp,
}
EXPORT_SYMBOL(brcmu_pktq_mdeq);
/* Produce a human-readable string for boardrev */
char *brcmu_boardrev_str(u32 brev, char *buf)
{
char c;
if (brev < 0x100) {
snprintf(buf, 8, "%d.%d", (brev & 0xf0) >> 4, brev & 0xf);
} else {
c = (brev & 0xf000) == 0x1000 ? 'P' : 'A';
snprintf(buf, 8, "%c%03x", c, brev & 0xfff);
}
return buf;
}
EXPORT_SYMBOL(brcmu_boardrev_str);
#if defined(DEBUG)
/* pretty hex print a pkt buffer chain */
void brcmu_prpkt(const char *msg, struct sk_buff *p0)
@ -292,4 +307,5 @@ void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...)
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, data, size);
}
EXPORT_SYMBOL(brcmu_dbg_hex_dump);
#endif /* defined(DEBUG) */

2
drivers/net/wireless/brcm80211/include/brcmu_utils.h
View File

@ -218,4 +218,6 @@ void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...)
}
#endif
char *brcmu_boardrev_str(u32 brev, char *buf);
#endif /* _BRCMU_UTILS_H_ */