#include <linux/pwm.h>
#include <asm/div64.h>
-#include <asm/arch/pxa-regs.h>
+#include <mach/pxa-regs.h>
/* PWM registers and bits definitions */
#define PWMCR (0x00)
do_div(c, 1000000000);
period_cycles = c;
- if (period_cycles < 0)
+ if (period_cycles < 1)
period_cycles = 1;
prescale = (period_cycles - 1) / 1024;
pv = period_cycles / (prescale + 1) - 1;