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brcmutil: add helper function to format board revision 

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_ */