#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/rational.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
temp = readl(sport->port.membase + USR2);
if (temp & USR2_BRCD) {
- writel(temp | USR2_BRCD, sport->port.membase + USR2);
+ writel(USR2_BRCD, sport->port.membase + USR2);
if (uart_handle_break(&sport->port))
continue;
}