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mt76: mt7915: fix return condition in mt7915_tm_reg_backup_restore()

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Fix the issue that some registers not configured properly after
restarting testmode.
(e.g. change state from idle to off, and off to idle)

Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Shayne Chen
2021-11-12 13:13:18 +01:00
committed by Felix Fietkau
parent 29a8a08827
commit f44685f2fa
1 changed files with 8 additions and 9 deletions
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mt7915/testmode.c
+8 -9
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@@ -361,16 +361,15 @@ mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
return;
}
if (b)
return;
if (!b) {
b = devm_kzalloc(dev->mt76.dev, 4 * n_regs, GFP_KERNEL);
if (!b)
return;
b = devm_kzalloc(dev->mt76.dev, 4 * n_regs, GFP_KERNEL);
if (!b)
return;
phy->test.reg_backup = b;
for (i = 0; i < n_regs; i++)
b[i] = mt76_rr(dev, reg_backup_list[i].band[ext_phy]);
phy->test.reg_backup = b;
for (i = 0; i < n_regs; i++)
b[i] = mt76_rr(dev, reg_backup_list[i].band[ext_phy]);
}
mt76_clear(dev, MT_AGG_PCR0(ext_phy, 0), MT_AGG_PCR0_MM_PROT |
MT_AGG_PCR0_GF_PROT | MT_AGG_PCR0_ERP_PROT |