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Diffstat (limited to 'kernel/arch/mips/ath79/early_printk.c')
-rw-r--r--kernel/arch/mips/ath79/early_printk.c6
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)