serial: altera_uart: use BIT macro

Replace numerical bit shift with BIT macro
in altera_uart

:%s/(1 << nr)/BIT(nr)/g
where nr = 0, 1, 2 .... 31

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Jagan Teki <jteki@openedev.com>

diff --git a/drivers/serial/altera_uart.c b/drivers/serial/altera_uart.c
index 4ff9fe2..7d5197a 100644 (file)
--- a/drivers/serial/altera_uart.c
+++ b/drivers/serial/altera_uart.c
@@ -27,9 +27,9 @@ struct altera_uart_platdata {
 };
 
 /* status register */
-#define ALTERA_UART_TMT                (1 << 5)        /* tx empty */
-#define ALTERA_UART_TRDY       (1 << 6)        /* tx ready */
-#define ALTERA_UART_RRDY       (1 << 7)        /* rx ready */
+#define ALTERA_UART_TMT                BIT(5)  /* tx empty */
+#define ALTERA_UART_TRDY       BIT(6)  /* tx ready */
+#define ALTERA_UART_RRDY       BIT(7)  /* rx ready */
 
 DECLARE_GLOBAL_DATA_PTR;