The use of chip->chip_data is unnecessary, chip->hostdevice points to corresponding...

[lincan.git] / lincan / src / unican.c

diff --git a/lincan/src/unican.c b/lincan/src/unican.c
index f72bacc169eca68433c8f865ae82fa69df807abc..55cfbd5374a5f9525dedd8d4ebc7325408b688ae 100644 (file)
--- a/lincan/src/unican.c
+++ b/lincan/src/unican.c
@@ -29,18 +29,6 @@ static void unican_delay(long msdelay)
 
 }
 
-
-long unican_bus_latency(struct msgobj_t *obj)
-{
-       long latency;
-       latency=obj->hostchip->baudrate;
-       if(latency){
-               latency=(long)HZ*1000/latency;
-       }
-       return latency;
-}
-
-
 /* * * unican Chip Functionality * * */
 
 int unican_enable_configuration(struct canchip_t *chip)
@@ -359,6 +347,34 @@ int unican_stop_chip(struct canchip_t *chip)
        return 0;
 }
 
+/**
+ * unican_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 unican_attach_to_chip(struct canchip_t *chip)
+{
+       return 0;
+}
+
+/**
+ * unican_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 unican_release_chip(struct canchip_t *chip)
+{
+       sCAN_CARD *chipext = (sCAN_CARD *)chip->chip_data;
+
+       unican_stop_chip(chip);
+       cl2_clear_interrupt(chipext);
+
+       return 0;
+}
 
 /**
  * unican_remote_request: - configures message object and asks for RTR message
@@ -815,6 +831,8 @@ int unican_init_chip_data(struct candevice_t *candev, int chipnr)
        chip->chipspecops->enable_configuration=unican_enable_configuration;
        chip->chipspecops->disable_configuration=unican_disable_configuration;
        chip->chipspecops->set_btregs=unican_set_btregs;
+       chip->chipspecops->attach_to_chip=unican_attach_to_chip;
+       chip->chipspecops->release_chip=unican_release_chip;
        chip->chipspecops->start_chip=unican_start_chip;
        chip->chipspecops->stop_chip=unican_stop_chip;
        chip->chipspecops->irq_handler=unican_irq_handler;