}
static struct class memstick_host_class = {
- .name = "memstick_host",
+ .name = "memstick_host",
.dev_release = memstick_free
};
*/
void memstick_new_req(struct memstick_host *host)
{
- host->retries = cmd_retries;
- host->request(host);
+ if (host->card) {
+ host->retries = cmd_retries;
+ INIT_COMPLETION(host->card->mrq_complete);
+ host->request(host);
+ }
}
EXPORT_SYMBOL(memstick_new_req);
* @sg - TPC argument
*/
void memstick_init_req_sg(struct memstick_request *mrq, unsigned char tpc,
- struct scatterlist *sg)
+ const struct scatterlist *sg)
{
mrq->tpc = tpc;
if (tpc & 8)
* user supplied buffer.
*/
void memstick_init_req(struct memstick_request *mrq, unsigned char tpc,
- void *buf, size_t length)
+ const void *buf, size_t length)
{
mrq->tpc = tpc;
if (tpc & 8)
return NULL;
}
-static void memstick_power_on(struct memstick_host *host)
+static int memstick_power_on(struct memstick_host *host)
{
- host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON);
- host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL);
+ int rc = host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON);
+
+ if (!rc)
+ rc = host->set_param(host, MEMSTICK_INTERFACE, MEMSTICK_SERIAL);
+
+ return rc;
}
static void memstick_check(struct work_struct *work)
dev_dbg(&host->dev, "memstick_check started\n");
mutex_lock(&host->lock);
- if (!host->card)
- memstick_power_on(host);
+ if (!host->card) {
+ if (memstick_power_on(host))
+ goto out_power_off;
+ } else if (host->card->stop)
+ host->card->stop(host->card);
card = memstick_alloc_card(host);
|| !(host->card->check(host->card))) {
device_unregister(&host->card->dev);
host->card = NULL;
- }
+ } else if (host->card->start)
+ host->card->start(host->card);
}
if (!host->card) {
kfree(card);
}
+out_power_off:
if (!host->card)
host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF);
*/
void memstick_resume_host(struct memstick_host *host)
{
+ int rc = 0;
+
mutex_lock(&host->lock);
if (host->card)
- memstick_power_on(host);
+ rc = memstick_power_on(host);
mutex_unlock(&host->lock);
- memstick_detect_change(host);
+
+ if (!rc)
+ memstick_detect_change(host);
}
EXPORT_SYMBOL(memstick_resume_host);