Make modules compile as three .ko objects, fix license

src/drivers/elphel/Makefile

@@ -12,7 +12,9 @@ obj-$(CONFIG_ELPHEL393_INIT)      += elphel393-init.o
 #obj-$(CONFIG_ELPHEL393)           += quantization_tables.o
 #obj-$(CONFIG_ELPHEL393)           += circbuf.o jpeghead.o
 
+framepars-objs := sensor_common.o
+sensor_common-objs := quantization_tables.o
+circbuf-objs := jpeghead.o
 obj-$(CONFIG_ELPHEL393_EXTERNAL)  += framepars.o
 obj-$(CONFIG_ELPHEL393_EXTERNAL)  += sensor_common.o
-obj-$(CONFIG_ELPHEL393_EXTERNAL)  += quantization_tables.o
-obj-$(CONFIG_ELPHEL393_EXTERNAL)  += circbuf.o jpeghead.o
\ No newline at end of file
+obj-$(CONFIG_ELPHEL393_EXTERNAL)  += circbuf.o
\ No newline at end of file

src/drivers/elphel/circbuf.c

@@ -683,6 +683,7 @@ unsigned int circbuf_poll (struct file *file, poll_table *wait) {
 
 static int __init circbuf_all_init(void) {
    int res;
+   printk(KERN_DEBUG "Loading %s", __func__);
    MDF19(printk("\n"));
    res = register_chrdev(CIRCBUF_MAJOR, "circbuf_operations", &circbuf_fops);
    if(res < 0) {

src/drivers/elphel/jpeghead.c

@@ -766,3 +766,5 @@ int jpeg_prep_htable (struct huffman_encoded_t * htable, struct huffman_fpga_cod
   return 0;
 }
 
+
+MODULE_LICENSE("GPL");

src/drivers/elphel/quantization_tables.c

@@ -198,7 +198,6 @@ void reset_qtables(void) {
  qtable_cache_initialized=0;
  qtable_fpga_initialized=0;
 }
-EXPORT_SYMBOL_GPL(reset_qtables);
 
 
 /**
@@ -955,3 +954,5 @@ void set_coring_fpga(int coring_number, int fpga_number) {
 #endif /* TEST_DISABLE_CODE */
   MDF15(int i; for (i=0;i<32;i++) {if ((i & 7)==0) printk("\n");printk(" %08x",(int) coring_tables[coring_number*CORING_SIZE +i]);} printk("\n"));
 }
+
+MODULE_LICENSE("GPL");