[PATCH net-next] net: wan: z85230: drop unused async state

Johan Hovold
2021-04-07T10:50:50Z

According to the changelog, asynchronous mode was dropped sometime
before v2.2. Let's get rid of the unused driver-specific async state as
well so that it doesn't show up when doing tree-wide tty work.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/net/wan/z85230.h | 39 ---------------------------------------
1 file changed, 39 deletions(-)

diff --git a/drivers/net/wan/z85230.h b/drivers/net/wan/z85230.h
index 1081d171e477..462cb620bc5d 100644
--- a/drivers/net/wan/z85230.h
+++ b/drivers/net/wan/z85230.h
@@ -327,45 +327,6 @@ struct z8530_channel
void *private; /* For our owner */
struct net_device *netdevice; /* Network layer device */

- /*
- * Async features
- */
-
- struct tty_struct *tty; /* Attached terminal */
- int line; /* Minor number */
- wait_queue_head_t open_wait; /* Tasks waiting to open */
- wait_queue_head_t close_wait; /* and for close to end */
- unsigned long event; /* Pending events */
- int fdcount; /* # of fd on device */
- int blocked_open; /* # of blocked opens */
- int x_char; /* XON/XOF char */
- unsigned char *xmit_buf; /* Transmit pointer */
- int xmit_head; /* Transmit ring */
- int xmit_tail;
- int xmit_cnt;
- int flags;
- int timeout;
- int xmit_fifo_size; /* Transmit FIFO info */
-
- int close_delay; /* Do we wait for drain on close ? */
- unsigned short closing_wait;
-
- /* We need to know the current clock divisor
- * to read the bps rate the chip has currently
- * loaded.
- */
-
- unsigned char clk_divisor; /* May be 1, 16, 32, or 64 */
- int zs_baud;
-
- int magic;
- int baud_base; /* Baud parameters */
- int custom_divisor;
-
-
- unsigned char tx_active; /* character is being xmitted */
- unsigned char tx_stopped; /* output is suspended */
-
spinlock_t *lock; /* Device lock */
};

--
2.26.3