diff options
Diffstat (limited to 'kernel/arch/mips/ath79')
| -rw-r--r-- | kernel/arch/mips/ath79/early_printk.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/arch/mips/ath79/early_printk.c b/kernel/arch/mips/ath79/early_printk.c index b955fafc5..d1adc59af 100644 --- a/kernel/arch/mips/ath79/early_printk.c +++ b/kernel/arch/mips/ath79/early_printk.c @@ -31,13 +31,15 @@ static inline void prom_putchar_wait(void __iomem *reg, u32 mask, u32 val) } while (1); } +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) + static void prom_putchar_ar71xx(unsigned char ch) { void __iomem *base = (void __iomem *)(KSEG1ADDR(AR71XX_UART_BASE)); - prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE); + prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY); __raw_writel(ch, base + UART_TX * 4); - prom_putchar_wait(base + UART_LSR * 4, UART_LSR_THRE, UART_LSR_THRE); + prom_putchar_wait(base + UART_LSR * 4, BOTH_EMPTY, BOTH_EMPTY); } static void prom_putchar_ar933x(unsigned char ch) |