mmc: Fix Dual Data Rate capability recognition
authorAndrew Gabbasov <andrew_gabbasov@mentor.com>
Mon, 1 Dec 2014 12:59:10 +0000 (06:59 -0600)
committerPantelis Antoniou <pantelis.antoniou@konsulko.com>
Fri, 12 Dec 2014 19:08:21 +0000 (21:08 +0200)
commit201d5ac4388d66bf7a78e71c32939b3fc5779207
tree318a38c2348c4f2c4998e109f215e1e8de25d788
parent786e8f818c25265d12d5d06e257fe2b1ba516134
mmc: Fix Dual Data Rate capability recognition

Since the driver doesn't work in 1.2V or 1.8V signaling level modes,
Dual Data Rate mode can be supported by the driver only if it is supported
by the card in regular 3.3V mode. So, check for a particular single
bit in card type field.

Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
drivers/mmc/mmc.c