forked from Minki/linux
[B43]: Don't lock irq_lock in debugfs txpower adjust
It's not required and the txpower adjustment must not be in atomic. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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commit
b85b3b7af5
@ -223,15 +223,10 @@ out:
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static int txpower_g_write_file(struct b43_wldev *dev,
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const char *buf, size_t count)
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{
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unsigned long flags;
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unsigned long phy_flags;
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int err = 0;
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spin_lock_irqsave(&dev->wl->irq_lock, flags);
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if (dev->phy.type != B43_PHYTYPE_G) {
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err = -ENODEV;
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goto out_unlock;
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}
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if (dev->phy.type != B43_PHYTYPE_G)
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return -ENODEV;
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if ((count >= 4) && (memcmp(buf, "auto", 4) == 0)) {
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/* Automatic control */
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dev->phy.manual_txpower_control = 0;
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@ -240,10 +235,8 @@ static int txpower_g_write_file(struct b43_wldev *dev,
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int bbatt = 0, rfatt = 0, txmix = 0, pa2db = 0, pa3db = 0;
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/* Manual control */
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if (sscanf(buf, "%d %d %d %d %d", &bbatt, &rfatt,
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&txmix, &pa2db, &pa3db) != 5) {
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err = -EINVAL;
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goto out_unlock;
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}
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&txmix, &pa2db, &pa3db) != 5)
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return -EINVAL;
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b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
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dev->phy.manual_txpower_control = 1;
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dev->phy.bbatt.att = bbatt;
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@ -262,10 +255,8 @@ static int txpower_g_write_file(struct b43_wldev *dev,
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b43_radio_unlock(dev);
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b43_phy_unlock(dev, phy_flags);
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}
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out_unlock:
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spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
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return err;
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return 0;
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}
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/* wl->irq_lock is locked */
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