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rt2x00: Cleanup RX index counting

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Add the rt2x00_dmastart function to rt2x00lib which
marks the queue_entry as "owned by device", and increased
the Q_INDEX number.

This cleanups up the index handling by rt2x00lib which
at until so far used hackish approaches to keep the
RX queue index numbering sane.

The rt2x00pci.c changes are from Helmut Schaa

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn
2010-12-13 12:36:00 +01:00
committed by John W. Linville
parent 5be65609fe
commit 64e7d72384
5 changed files with 19 additions and 7 deletions
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11
drivers/net/wireless/rt2x00/rt2x00dev.c
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@ -226,6 +226,13 @@ void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev)
}
EXPORT_SYMBOL_GPL(rt2x00lib_pretbtt);
void rt2x00lib_dmastart(struct queue_entry *entry)
{
set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
rt2x00queue_index_inc(entry->queue, Q_INDEX);
}
EXPORT_SYMBOL_GPL(rt2x00lib_dmastart);
void rt2x00lib_dmadone(struct queue_entry *entry)
{
clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
@ -555,10 +562,8 @@ submit_entry:
entry->flags = 0;
rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE);
if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) {
test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
rt2x00dev->ops->lib->clear_entry(entry);
rt2x00queue_index_inc(entry->queue, Q_INDEX);
}
}
EXPORT_SYMBOL_GPL(rt2x00lib_rxdone);