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-rw-r--r--arch/powerpc/boot/uartlite.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/boot/uartlite.c b/arch/powerpc/boot/uartlite.c
index 38a470b329e3..46bed69b4169 100644
--- a/arch/powerpc/boot/uartlite.c
+++ b/arch/powerpc/boot/uartlite.c
@@ -45,8 +45,8 @@ static void uartlite_putc(unsigned char c)
45 45
46static unsigned char uartlite_getc(void) 46static unsigned char uartlite_getc(void)
47{ 47{
48 u32 reg = ULITE_STATUS_RXVALID; 48 u32 reg = 0;
49 while (reg & ULITE_STATUS_RXVALID) /* spin on RXVALID bit */ 49 while (!(reg & ULITE_STATUS_RXVALID)) /* spin waiting for RXVALID bit */
50 reg = in_be32(reg_base + ULITE_STATUS); 50 reg = in_be32(reg_base + ULITE_STATUS);
51 return in_be32(reg_base + ULITE_RX); 51 return in_be32(reg_base + ULITE_RX);
52} 52}