+/**
+ * sja1000p_attach_to_chip: - attaches to the chip, setups registers and state
+ * @chip: pointer to chip state structure
+ *
+ * Return Value: negative value reports error.
+ * File: src/sja1000p.c
+ */
+int sja1000p_attach_to_chip(struct canchip_t *chip)
+{
+ return 0;
+}
+
+/**
+ * sja1000p_release_chip: - called before chip structure removal if %CHIP_ATTACHED is set
+ * @chip: pointer to chip state structure
+ *
+ * Return Value: negative value reports error.
+ * File: src/sja1000p.c
+ */
+int sja1000p_release_chip(struct canchip_t *chip)
+{
+ sja1000p_stop_chip(chip);
+ can_write_reg(chip, sjaDISABLE_INTERRUPTS, SJAIER);
+
+ return 0;
+}