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 <[email protected]>
Reviewed-by: Pieter-Paul Giesberts <[email protected]>
Signed-off-by: Arend van Spriel <[email protected]>
---
 drivers/net/wireless/brcm80211/brcmutil/utils.c      | 16 ++++++++++++++++
 drivers/net/wireless/brcm80211/include/brcmu_utils.h |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/drivers/net/wireless/brcm80211/brcmutil/utils.c 
b/drivers/net/wireless/brcm80211/brcmutil/utils.c
index 0f7e1c7..af97f8b 100644
--- a/drivers/net/wireless/brcm80211/brcmutil/utils.c
+++ b/drivers/net/wireless/brcm80211/brcmutil/utils.c
@@ -292,4 +292,20 @@ 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);
+
+/* 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);
+
 #endif                         /* defined(DEBUG) */
diff --git a/drivers/net/wireless/brcm80211/include/brcmu_utils.h 
b/drivers/net/wireless/brcm80211/include/brcmu_utils.h
index 8ba445b..a043e29 100644
--- a/drivers/net/wireless/brcm80211/include/brcmu_utils.h
+++ b/drivers/net/wireless/brcm80211/include/brcmu_utils.h
@@ -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_ */
-- 
1.9.1

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