diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c
index 2e4d8a6..ae877b0 100644
--- a/drivers/clocksource/tegra20_timer.c
+++ b/drivers/clocksource/tegra20_timer.c
@@ -172,7 +172,7 @@
 		BUG();
 	}
 
-	clk = clk_get_sys("timer", NULL);
+	clk = of_clk_get(np, 0);
 	if (IS_ERR(clk)) {
 		pr_warn("Unable to get timer clock. Assuming 12Mhz input clock.\n");
 		rate = 12000000;
@@ -235,7 +235,7 @@
 	 * rtc registers are used by read_persistent_clock, keep the rtc clock
 	 * enabled
 	 */
-	clk = clk_get_sys("rtc-tegra", NULL);
+	clk = of_clk_get(np, 0);
 	if (IS_ERR(clk))
 		pr_warn("Unable to get rtc-tegra clock\n");
 	else