diff options
Diffstat (limited to 'drivers/serial/serial_zynq.c')
| -rw-r--r-- | drivers/serial/serial_zynq.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c index 7a6f822c26..4ae24939ab 100644 --- a/drivers/serial/serial_zynq.c +++ b/drivers/serial/serial_zynq.c @@ -15,8 +15,8 @@ #include <linux/compiler.h> #include <serial.h> -#define ZYNQ_UART_SR_TXEMPTY BIT(3) /* TX FIFO empty */ #define ZYNQ_UART_SR_TXACTIVE BIT(11) /* TX active */ +#define ZYNQ_UART_SR_TXFULL BIT(4) /* TX FIFO full */ #define ZYNQ_UART_SR_RXEMPTY BIT(1) /* RX FIFO empty */ #define ZYNQ_UART_CR_TX_EN BIT(4) /* TX enabled */ @@ -93,7 +93,7 @@ static void _uart_zynq_serial_init(struct uart_zynq *regs) static int _uart_zynq_serial_putc(struct uart_zynq *regs, const char c) { - if (!(readl(®s->channel_sts) & ZYNQ_UART_SR_TXEMPTY)) + if (readl(®s->channel_sts) & ZYNQ_UART_SR_TXFULL) return -EAGAIN; writel(c, ®s->tx_rx_fifo); |