/**
* @brief SD driver exit function.
* @return None.
*/
static void __exit gp_sdcard_exit(void)
{
int i;
/* ----- Free all alloc memory ----- */
for (i = 0; i < SD_NUM; i++)
{
gpSDInfo_t *sd = sd_info + i;
/* ----- Free gendisk structure ----- */
if (sd->gd)
{
del_gendisk(sd->gd);
/* ----- Free request ----- */
if (sd->queue)
{
blk_cleanup_queue(sd->queue);
}
/* ----- Then terminate our worker thread -----*/
kthread_stop(sd->thread);
if (sd->sg)
kfree(sd->sg);
sd->sg = NULL;
put_disk(sd->gd);
}
/* ----- free dma channel ----- */
if(sd->handle_dma)
gp_apbdma0_release(sd->handle_dma);
}
unregister_blkdev(sd_major, "sdcard");
gp_sdio_exit();
kfree(sd_info);
}
/**
* @brief SD driver exit function.
* @return None.
*/
static void __exit gp_sdcard_exit(void)
{
int i;
/* ----- Free all alloc memory ----- */
for (i = 0; i < SD_NUM; i++)
{
gpSDInfo_t *sd = sd_info + i;
del_timer_sync(&sd->timer);
gp_sdcard_cleanup(sd);
gp_sdcard_blk_put(sd);
}
unregister_blkdev(sd_major, "sdcard");
gp_sdio_exit();
for (i = 0; i < SD_NUM; i++)
{
gpSDInfo_t *sd = sd_info + i;
gp_sdcard_carduninit(sd);
if(sd->sd_func)
sd->sd_func->get_sn = 0;
}
kfree(sd_info);
platform_device_unregister(&gp_sd_device);
platform_driver_unregister(&gp_sd_driver);
}
