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authorAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-02-21 13:03:57 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-14 10:59:04 +0800
commit488ae82d973c421229c9f02363e94545086313da (patch)
tree5eec127974fbbb645602ac56edc79a86f1b7bf54
parent432f974801e2f3590c95a666ab4546346d1c60a9 (diff)
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>
-rw-r--r--drivers/tty/serial/atmel_serial.c2
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);