1 files changed, 13 insertions, 9 deletions

diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c
index 92b683790ad8..386da1566fcc 100644
--- a/drivers/mfd/htc-pasic3.c
+++ b/drivers/mfd/htc-pasic3.c
@@ -167,15 +167,19 @@ static int __init pasic3_probe(struct platform_device *pdev)
         /* calculate bus shift from mem resource */
         asic->bus_shift = (resource_size(r) - 5) >> 3;
 
-        /* the first 5 PASIC3 registers control the DS1WM */
-        ds1wm_resources[0].end = (5 << asic->bus_shift) - 1;
-        ds1wm_cell.platform_data = &ds1wm_cell;
-        ds1wm_cell.data_size = sizeof(ds1wm_cell);
-        ret = mfd_add_devices(&pdev->dev, pdev->id, &ds1wm_cell, 1, r, irq);
-        if (ret < 0)
-                dev_warn(dev, "failed to register DS1WM\n");
-
-        if (pdata->led_pdata) {
+        if (pdata && pdata->clock_rate) {
+                ds1wm_pdata.clock_rate = pdata->clock_rate;
+                /* the first 5 PASIC3 registers control the DS1WM */
+                ds1wm_resources[0].end = (5 << asic->bus_shift) - 1;
+                ds1wm_cell.platform_data = &ds1wm_cell;
+                ds1wm_cell.data_size = sizeof(ds1wm_cell);
+                ret = mfd_add_devices(&pdev->dev, pdev->id,
+                                &ds1wm_cell, 1, r, irq);
+                if (ret < 0)
+                        dev_warn(dev, "failed to register DS1WM\n");
+        }
+
+        if (pdata && pdata->led_pdata) {
                 led_cell.driver_data = pdata->led_pdata;
                 led_cell.platform_data = &led_cell;
                 led_cell.data_size = sizeof(ds1wm_cell);