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mt7601u: don't warn about devices without per-rate power table

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We expect EEPROM per-rate power table to be filled with
s6 values and warn user if values are invalid.  However,
there appear to be devices which don't have this section
of EEPROM initialized.  In such case we should ignore
the values and leave the driver power tables set to zero.

Note that vendor driver doesn't care about this case but
mt76x2 skips 0xff per value.  We take mt76x2's approach.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jakub Kicinski 2015-06-10 20:10:09 +02:00 committed by Kalle Valo
parent 3bdb4a4e61
commit 8d0123748a
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/mediatek/mt7601u/eeprom.c
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@ -277,6 +277,10 @@ mt7601u_extra_power_over_mac(struct mt7601u_dev *dev)
static void
mt7601u_set_power_rate(struct power_per_rate *rate, s8 delta, u8 value)
{
/* Invalid? Note: vendor driver does not handle this */
if (value == 0xff)
return;
rate->raw = s6_validate(value);
rate->bw20 = s6_to_int(value);
/* Note: vendor driver does cap the value to s6 right away */