OMAP3630: PM: don't warn the user with a trace in case of PM34XX_ERRATUM

In case in user has a OMAP3630 < ES1.2 the kernel should warn the user
about the ERRATUM, but using pr_warn instead of WARN_ON is already
enough, as there is nothing else the user can do besides changing the
board.

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 2f864e4..6ade4ea 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -928,8 +928,7 @@
 				pwrst->pwrdm == core_pwrdm &&
 				state == PWRDM_POWER_OFF) {
 			pwrst->next_state = PWRDM_POWER_RET;
-			WARN_ONCE(1,
-				"%s: Core OFF disabled due to errata i583\n",
+			pr_warn("%s: Core OFF disabled due to errata i583\n",
 				__func__);
 		} else {
 			pwrst->next_state = state;