void mmc_host_deeper_disable(struct work_struct *work)
{
struct mmc_host *host =
container_of(work, struct mmc_host, disable.work);
/* If the host is claimed then we do not want to disable it anymore */
if (!mmc_try_claim_host(host))
return;
mmc_host_do_disable(host, 1);
mmc_do_release_host(host);
}
void mmc_host_deeper_disable(struct work_struct *work)
{
struct mmc_host *host =
container_of(work, struct mmc_host, disable.work);
/* If the host is claimed then we do not want to disable it anymore */
if (!mmc_try_claim_host(host))
goto out;
mmc_host_do_disable(host, 1);
mmc_do_release_host(host);
out:
wake_unlock(&mmc_delayed_work_wake_lock);
}
void mmc_host_deeper_disable(struct work_struct *work)
{
struct mmc_host *host =
container_of(work, struct mmc_host, disable.work);
/* If the host is claimed then we do not want to disable it anymore */
if (!mmc_try_claim_host(host))
goto out;
mmc_host_do_disable(host, 1);
mmc_do_release_host(host);
out:
#if 0 //Robert, 20101006, KB62_CR766 : Fix unexpectedly remove SD card issue
wake_unlock(&mmc_delayed_work_wake_lock);
#endif
printk(KERN_ERR "mmc_try_claim_host(host) = 0\n");
}
/**
* mmc_host_disable - disable a host.
* @host: mmc host to disable
*
* Hosts that support power saving can use the 'enable' and 'disable'
* methods to exit and enter power saving states. For more information
* see comments for struct mmc_host_ops.
*/
int mmc_host_disable(struct mmc_host *host)
{
int err;
if (!(host->caps & MMC_CAP_DISABLE))
return 0;
if (host->en_dis_recurs)
return 0;
if (--host->nesting_cnt)
return 0;
if (!host->enabled)
return 0;
err = mmc_host_do_disable(host, 0);
return err;
}
/**
* mmc_host_lazy_disable - lazily disable a host.
* @host: mmc host to disable
*
* Hosts that support power saving can use the 'enable' and 'disable'
* methods to exit and enter power saving states. For more information
* see comments for struct mmc_host_ops.
*/
int mmc_host_lazy_disable(struct mmc_host *host)
{
if (!(host->caps & MMC_CAP_DISABLE))
return 0;
if (host->en_dis_recurs)
return 0;
if (--host->nesting_cnt)
return 0;
if (!host->enabled)
return 0;
if (host->disable_delay) {
return queue_delayed_work(workqueue, &host->disable,
msecs_to_jiffies(host->disable_delay));
} else
return mmc_host_do_disable(host, 1);
}
/**
* mmc_host_disable - disable a host.
* @host: mmc host to disable
*
* Hosts that support power saving can use the 'enable' and 'disable'
* methods to exit and enter power saving states. For more information
* see comments for struct mmc_host_ops.
*/
int mmc_host_disable(struct mmc_host *host)
{
int err;
if (!(host->caps & MMC_CAP_DISABLE))
{
if(suspend_debug)
printk("Disable MMC_CAP_DISABLE\n");
return 0;
}
if (host->en_dis_recurs)
{
if(suspend_debug)
printk("Disable en_dis_recurs\n");
return 0;
}
if (--host->nesting_cnt)
{
if(suspend_debug)
printk("disable NC %d\n",host->nesting_cnt);
return 0;
}
if (!host->enabled)
{
if(suspend_debug)
printk("disables enabled\n");
return 0;
}
err = mmc_host_do_disable(host, 0);
return err;
}
