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| author |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2017-02-21 13:03:57 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-14 10:59:04 +0800 |
| commit | 488ae82d973c421229c9f02363e94545086313da (patch) | |
| tree | 5eec127974fbbb645602ac56edc79a86f1b7bf54 /drivers/tty/serial/atmel_serial.c | |
| parent | tty/serial: atmel: increase ATMEL_MAX_UART (diff) | |
| download | wireguard-linux-488ae82d973c421229c9f02363e94545086313da.tar.xz wireguard-linux-488ae82d973c421229c9f02363e94545086313da.zip | |
tty/serial: atmel: remove cache when unnecessary
struct cache is only used in suspend/resume. Exclude it when PM is not
selected.
Suggested-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/atmel_serial.c')
| -rw-r--r-- | drivers/tty/serial/atmel_serial.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 87a921217f8b..8cc152e67bfb 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -176,6 +176,7 @@ struct atmel_uart_port { unsigned int pending_status; spinlock_t lock_suspended; +#ifdef CONFIG_PM struct { u32 cr; u32 mr; @@ -186,6 +187,7 @@ struct atmel_uart_port { u32 fmr; u32 fimr; } cache; +#endif int (*prepare_rx)(struct uart_port *port); int (*prepare_tx)(struct uart_port *port); |