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path: root/drivers/net/wimax/i2400m/i2400m-sdio.h
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Diffstat (limited to 'drivers/net/wimax/i2400m/i2400m-sdio.h')
-rw-r--r--drivers/net/wimax/i2400m/i2400m-sdio.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wimax/i2400m/i2400m-sdio.h b/drivers/net/wimax/i2400m/i2400m-sdio.h
index b9c4bed3b457..360d4fb195f4 100644
--- a/drivers/net/wimax/i2400m/i2400m-sdio.h
+++ b/drivers/net/wimax/i2400m/i2400m-sdio.h
@@ -99,7 +99,10 @@ enum {
*
* @tx_workqueue: workqeueue used for data TX; we don't use the
* system's workqueue as that might cause deadlocks with code in
- * the bus-generic driver.
+ * the bus-generic driver. The read/write operation to the queue
+ * is protected with spinlock (tx_lock in struct i2400m) to avoid
+ * the queue being destroyed in the middle of a the queue read/write
+ * operation.
*
* @debugfs_dentry: dentry for the SDIO specific debugfs files
*