[POWERPC] Uartlite: bootwrapper bug fix, getc loops forever
Fixes inverted logic in uartlite_getc
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/powerpc/boot/uartlite.c b/arch/powerpc/boot/uartlite.c
index 38a470b..46bed69 100644
--- a/arch/powerpc/boot/uartlite.c
+++ b/arch/powerpc/boot/uartlite.c
@@ -45,8 +45,8 @@
static unsigned char uartlite_getc(void)
{
- u32 reg = ULITE_STATUS_RXVALID;
- while (reg & ULITE_STATUS_RXVALID) /* spin on RXVALID bit */
+ u32 reg = 0;
+ while (!(reg & ULITE_STATUS_RXVALID)) /* spin waiting for RXVALID bit */
reg = in_be32(reg_base + ULITE_STATUS);
return in_be32(reg_base + ULITE_RX);
}