Changeset 0f66886 in mainline for kernel/arch/arm32/src/mach/beaglebone/beaglebone.c

Timestamp:

2013-02-13T20:19:29Z (11 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

06c4609

Parents:

4c754f6

Message:

fix sysclock frequency reading and print an error message is the operation was unsuccessful

File:

• kernel/arch/arm32/src/mach/beaglebone/beaglebone.c (modified) (2 diffs)

kernel/arch/arm32/src/mach/beaglebone/beaglebone.c

@@ -117 +117 @@
 static void bbone_timer_irq_start(void)
 {
+        unsigned sysclk_freq;
+
         /* Initialize the IRQ */
         static irq_t timer_irq;
@@ -132 +134 @@
            CLK_SRC_M_OSC);
         /* Initialize the DMTIMER2 */
-        am335x_timer_init(&bbone.timer, DMTIMER2, HZ,
-            am335x_ctrl_module_clock_freq_get(bbone.ctrl_module));
+        if (am335x_ctrl_module_clock_freq_get(bbone.ctrl_module,
+            &sysclk_freq) != EOK) {
+                printf("Cannot get the system clock frequency!\n");
+                return;
+        }
+
+        am335x_timer_init(&bbone.timer, DMTIMER2, HZ, sysclk_freq);
         /* Enable the interrupt */
         am335x_irc_enable(bbone.irc_addr, AM335x_DMTIMER2_IRQ);