#include <linux/list.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/can.h>
#include <linux/can/dev.h>
priv->can.state = CAN_STATE_ERROR_ACTIVE;
+ /* activate pins */
+ pinctrl_pm_select_default_state(dev->dev.parent);
return 0;
}
struct c_can_priv *priv = netdev_priv(dev);
c_can_irq_control(priv, false);
+
+ /* deactivate pins */
+ pinctrl_pm_select_sleep_state(dev->dev.parent);
priv->can.state = CAN_STATE_STOPPED;
}
struct c_can_priv *priv = netdev_priv(dev);
int err;
+ /* Deactivate pins to prevent DRA7 DCAN IP from being
+ * stuck in transition when module is disabled.
+ * Pins are activated in c_can_start() and deactivated
+ * in c_can_stop()
+ */
+ pinctrl_pm_select_sleep_state(dev->dev.parent);
+
c_can_pm_runtime_enable(priv);
dev->flags |= IFF_ECHO; /* we support local echo */