/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */
/* #define _CPIA_DEBUG_ 1 */
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
struct pardevice *pdev;
struct parport *port;
struct work_struct cb_task;
+ void (*cb_func)(void *cbdata);
+ void *cb_data;
int open_count;
wait_queue_head_t wq_stream;
/* image state flags */
#define PARPORT_CHUNK_SIZE PAGE_SIZE
+static void cpia_pp_run_callback(struct work_struct *work)
+{
+ void (*cb_func)(void *cbdata);
+ void *cb_data;
+ struct pp_cam_entry *cam;
+
+ cam = container_of(work, struct pp_cam_entry, cb_task);
+ cb_func = cam->cb_func;
+ cb_data = cam->cb_data;
+ work_release(work);
+
+ cb_func(cb_data);
+}
+
/****************************************************************************
*
* CPiA-specific low-level parport functions for nibble uploads
int retval = 0;
if(cam->port->irq != PARPORT_IRQ_NONE) {
- INIT_WORK(&cam->cb_task, cb, cbdata);
+ cam->cb_func = cb;
+ cam->cb_data = cbdata;
+ INIT_WORK_NAR(&cam->cb_task, cpia_pp_run_callback);
} else {
retval = -1;
}
.detach = cpia_pp_detach,
};
-int cpia_pp_init(void)
+static int cpia_pp_init(void)
{
printk(KERN_INFO "%s v%d.%d.%d\n",ABOUT,
CPIA_PP_MAJ_VER,CPIA_PP_MIN_VER,CPIA_PP_PATCH_VER);
static int __init cpia_pp_setup(char *str)
{
+ int err;
+
if (!strncmp(str, "parport", 7)) {
int n = simple_strtoul(str + 7, NULL, 10);
if (parport_ptr < PARPORT_MAX) {
parport_nr[parport_ptr++] = PPCPIA_PARPORT_NONE;
}
+ err=cpia_pp_init();
+ if (err)
+ return err;
+
return 1;
}