diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-03-14 09:48:16 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-14 09:48:16 +0100 |
| commit | c96a9876696d30783ad54399351a0bf3660db53f (patch) | |
| tree | 74daba0ed1fd2838e8eb527c4f7fe5262ee979bd /drivers/rapidio/devices/tsi721.c | |
| parent | d1f42e314c9c50541c79a6edf2b4cab63fe02ee3 (diff) | |
| parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
Merge tag 'v3.3-rc7' into x86/platform
Merge reason: Update to the almost-final v3.3 kernel.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/rapidio/devices/tsi721.c')
| -rw-r--r-- | drivers/rapidio/devices/tsi721.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 691b1ab1a3d0..30d2072f480b 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -410,13 +410,14 @@ static void tsi721_db_dpc(struct work_struct *work) */ mport = priv->mport; - wr_ptr = ioread32(priv->regs + TSI721_IDQ_WP(IDB_QUEUE)); - rd_ptr = ioread32(priv->regs + TSI721_IDQ_RP(IDB_QUEUE)); + wr_ptr = ioread32(priv->regs + TSI721_IDQ_WP(IDB_QUEUE)) % IDB_QSIZE; + rd_ptr = ioread32(priv->regs + TSI721_IDQ_RP(IDB_QUEUE)) % IDB_QSIZE; while (wr_ptr != rd_ptr) { idb_entry = (u64 *)(priv->idb_base + (TSI721_IDB_ENTRY_SIZE * rd_ptr)); rd_ptr++; + rd_ptr %= IDB_QSIZE; idb.msg = *idb_entry; *idb_entry = 0; |