diff --git a/arch/arm/boards/mioa701/board.c b/arch/arm/boards/mioa701/board.c
index 6f93900fd..cdb86fc36 100644
--- a/arch/arm/boards/mioa701/board.c
+++ b/arch/arm/boards/mioa701/board.c
@@ -68,7 +68,7 @@ static void mioa701_lcd_power(int on)
 
 static void mioa701_lcd_backlight(int on)
 {
-	struct pwm_device *pwm0 = pwm_request("pxa_pwm0");
+	struct pwm_device *pwm0 = pwm_request("pwm0");
 
 	/*
 	 * The backlight has a base frequency of 250kHz (<=> 4 ms).
diff --git a/drivers/pwm/pxa_pwm.c b/drivers/pwm/pxa_pwm.c
index 8e22d4988..8b2ebe4f6 100644
--- a/drivers/pwm/pxa_pwm.c
+++ b/drivers/pwm/pxa_pwm.c
@@ -133,7 +133,7 @@ static int pxa_pwm_probe(struct device_d *dev)
 	struct pxa_pwm_chip *chip;
 
 	chip = xzalloc(sizeof(*chip));
-	chip->chip.devname = asprintf("%s", dev_name(dev));
+	chip->chip.devname = asprintf("pwm%d", dev->id);
 	chip->chip.ops = &pxa_pwm_ops;
 	chip->iobase = dev_request_mem_region(dev, 0);
 	chip->id = dev->id;