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-rw-r--r--Documentation/serial/driver11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/serial/driver b/Documentation/serial/driver
index 88ad615dd338..77ba0afbe4db 100644
--- a/Documentation/serial/driver
+++ b/Documentation/serial/driver
@@ -186,6 +186,17 @@ hardware.
186 Locking: port_sem taken. 186 Locking: port_sem taken.
187 Interrupts: caller dependent. 187 Interrupts: caller dependent.
188 188
189 flush_buffer(port)
190 Flush any write buffers, reset any DMA state and stop any
191 ongoing DMA transfers.
192
193 This will be called whenever the port->info->xmit circular
194 buffer is cleared.
195
196 Locking: port->lock taken.
197 Interrupts: locally disabled.
198 This call must not sleep
199
189 set_termios(port,termios,oldtermios) 200 set_termios(port,termios,oldtermios)
190 Change the port parameters, including word length, parity, stop 201 Change the port parameters, including word length, parity, stop
191 bits. Update read_status_mask and ignore_status_mask to indicate 202 bits. Update read_status_mask and ignore_status_mask to indicate