/*
* This function cleans up the SDIO driver.
*
* The following major steps are followed for cleanup -
* - Resume the device if its suspended
* - Disconnect the device if connected
* - Shutdown the firmware
* - Unregister the device from SDIO bus.
*/
static void
mwifiex_sdio_cleanup_module(void)
{
struct mwifiex_adapter *adapter = g_adapter;
int i;
if (down_interruptible(&add_remove_card_sem))
goto exit_sem_err;
if (!adapter || !adapter->priv_num)
goto exit;
if (adapter->is_suspended)
mwifiex_sdio_resume(adapter->dev);
for (i = 0; i < adapter->priv_num; i++)
if ((GET_BSS_ROLE(adapter->priv[i]) == MWIFIEX_BSS_ROLE_STA) &&
adapter->priv[i]->media_connected)
mwifiex_deauthenticate(adapter->priv[i], NULL);
if (!adapter->surprise_removed)
mwifiex_init_shutdown_fw(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY),
MWIFIEX_FUNC_SHUTDOWN);
exit:
up(&add_remove_card_sem);
exit_sem_err:
sdio_unregister_driver(&mwifiex_sdio);
}
/*
* SDIO remove.
*
* This function removes the interface and frees up the card structure.
*/
static void
mwifiex_sdio_remove(struct sdio_func *func)
{
struct sdio_mmc_card *card;
struct mwifiex_adapter *adapter;
struct mwifiex_private *priv;
int i;
pr_debug("info: SDIO func num=%d\n", func->num);
card = sdio_get_drvdata(func);
if (!card)
return;
adapter = card->adapter;
if (!adapter || !adapter->priv_num)
return;
/* In case driver is removed when asynchronous FW load is in progress */
wait_for_completion(&adapter->fw_load);
if (user_rmmod) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
if (adapter->is_suspended)
mwifiex_sdio_resume(adapter->dev);
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34)) */
for (i = 0; i < adapter->priv_num; i++)
if ((GET_BSS_ROLE(adapter->priv[i]) ==
MWIFIEX_BSS_ROLE_STA) &&
adapter->priv[i]->media_connected)
mwifiex_deauthenticate(adapter->priv[i], NULL);
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
mwifiex_disable_auto_ds(priv);
mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN);
}
mwifiex_remove_card(card->adapter, &add_remove_card_sem);
kfree(card);
}
static void
mwifiex_sdio_remove(struct sdio_func *func)
{
struct sdio_mmc_card *card;
struct mwifiex_adapter *adapter;
struct mwifiex_private *priv;
int i;
pr_debug("info: SDIO func num=%d\n", func->num);
card = sdio_get_drvdata(func);
if (!card)
return;
adapter = card->adapter;
if (!adapter || !adapter->priv_num)
return;
if (user_rmmod) {
if (adapter->is_suspended)
mwifiex_sdio_resume(adapter->dev);
for (i = 0; i < adapter->priv_num; i++)
if ((GET_BSS_ROLE(adapter->priv[i]) ==
MWIFIEX_BSS_ROLE_STA) &&
adapter->priv[i]->media_connected)
mwifiex_deauthenticate(adapter->priv[i], NULL);
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
mwifiex_disable_auto_ds(priv);
mwifiex_init_shutdown_fw(priv, MWIFIEX_FUNC_SHUTDOWN);
}
mwifiex_remove_card(card->adapter, &add_remove_card_sem);
kfree(card);
}