@@ -21,6 +21,7 @@
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>
+#include <linux/err.h>
#include <plat/cpu.h>
#include <plat/clock.h>
@@ -184,6 +185,7 @@ static int __init omap3xxx_clk_arch_init(void)
{
struct clk *osc_sys_ck, *dpll1_ck, *arm_fck, *core_ck;
unsigned long osc_sys_rate;
+ bool err = 0 ;
if (!cpu_is_omap34xx())
return 0;
@@ -193,9 +195,23 @@ static int __init omap3xxx_clk_arch_init(void)
/* XXX test these for success */
dpll1_ck = clk_get(NULL, "dpll1_ck");
+ if (WARN(IS_ERR(dpll1_ck), "Failed to get dpll1_ck.\n"))
+ err = 1;
+
arm_fck = clk_get(NULL, "arm_fck");
+ if (WARN(IS_ERR(arm_fck), "Failed to get arm_fck.\n"))
+ err = 1;
+
core_ck = clk_get(NULL, "core_ck");
+ if (WARN(IS_ERR(core_ck), "Failed to get core_ck.\n"))
+ err = 1;
+
osc_sys_ck = clk_get(NULL, "osc_sys_ck");
+ if (WARN(IS_ERR(osc_sys_ck), "Failed to get osc_sys_ck.\n"))
+ err = 1;
+
+ if (err)
+ return -ENOENT;
/* REVISIT: not yet ready for 343x */
if (clk_set_rate(dpll1_ck, mpurate))