Merge pull request #127 from sandrine-bailleux/sb/fix-pl011-fifo-polling

PL011: Fix a bug in the UART FIFO polling
2014-06-12 09:15:06 +01:00 · 2014-06-12 09:15:06 +01:00 · 2966dc2cf5
parent ca1e6b63c4 d831af90a3
commit 2966dc2cf5
1 changed files with 4 additions and 2 deletions
--- a/drivers/arm/pl011/pl011_console.c
+++ b/drivers/arm/pl011/pl011_console.c
@ -65,8 +65,10 @@ void console_init(unsigned long base_addr)

 }

-#define WAIT_UNTIL_UART_FREE(base) while ((pl011_read_fr(base)\
-					& PL011_UARTFR_TXFF) == 1)
+#define WAIT_UNTIL_UART_FREE(base)				\
+	while ((pl011_read_fr(base) & PL011_UARTFR_TXFF))	\
+		continue
+
 int console_putc(int c)
 {
 	assert(uart_base);