serial: stm32x7: cleanup code

Use BIT() macro and GENMASK() macro

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
This commit is contained in:
Patrice Chotard 2017-09-27 15:44:48 +02:00 committed by Tom Rini
parent 34f9a92583
commit 2a52a9527a

View File

@ -28,18 +28,18 @@ struct stm32x7_serial_platdata {
unsigned long int clock_rate;
};
#define USART_CR1_OVER8 (1 << 15)
#define USART_CR1_TE (1 << 3)
#define USART_CR1_RE (1 << 2)
#define USART_CR1_UE (1 << 0)
#define USART_CR1_OVER8 BIT(15)
#define USART_CR1_TE BIT(3)
#define USART_CR1_RE BIT(2)
#define USART_CR1_UE BIT(0)
#define USART_CR3_OVRDIS (1 << 12)
#define USART_CR3_OVRDIS BIT(12)
#define USART_SR_FLAG_RXNE (1 << 5)
#define USART_SR_FLAG_TXE (1 << 7)
#define USART_SR_FLAG_RXNE BIT(5)
#define USART_SR_FLAG_TXE BIT(7)
#define USART_BRR_F_MASK 0xFF
#define USART_BRR_F_MASK GENMASK(7, 0)
#define USART_BRR_M_SHIFT 4
#define USART_BRR_M_MASK 0xFFF0
#define USART_BRR_M_MASK GENMASK(15, 4)
#endif