static int modem_detect_host(const char *host_id)
{
/* HACK!!!
* Rely on mmc->class_dev.class set in mmc_alloc_host
* Tricky part: a new mmc hook is being (temporary) created
* to discover mmc_host class.
* Do you know more elegant way how to enumerate mmc_hosts?
*/
struct mmc_host *mmc = NULL;
struct class_dev_iter iter;
struct device *dev;
int ret = -1;
#if 1
printk("[C2K] before alloc host\n");
mmc = mmc_alloc_host(0, NULL);
if (!mmc){
printk("[C2K] mmc_aloc_host error\n");
ret = -ENOMEM;
goto out;
}
printk("[C2K] mmc_aloc_host success\n");
BUG_ON(!mmc->class_dev.class);
class_dev_iter_init(&iter, mmc->class_dev.class, NULL, NULL);
for (;;) {
dev = class_dev_iter_next(&iter);
if (!dev) {
printk("[C2K] class dev iter next failed\n");
LOGPRT(LOG_ERR, "%s: %d\n", __func__, __LINE__);
break;
} else {
struct mmc_host *host = container_of(dev,
struct mmc_host, class_dev);
if (dev_name(&host->class_dev) &&
strcmp(dev_name(&host->class_dev),
host_id))
continue;
ret = 0;
break;
}
}
mmc_free_host(mmc);
#endif
//ret = 0;
out:
return ret;
}
static int modem_detect_card(struct cbp_reset *cbp_rst_ind)
{
/* HACK!!!
* Rely on mmc->class_dev.class set in mmc_alloc_host
* Tricky part: a new mmc hook is being (temporary) created
* to discover mmc_host class.
* Do you know more elegant way how to enumerate mmc_hosts?
*/
struct mmc_host *mmc = NULL;
struct class_dev_iter iter;
struct device *dev;
int ret = -1;
mmc = mmc_alloc_host(0, NULL);
if (!mmc){
ret = -ENOMEM;
goto out;
}
BUG_ON(!mmc->class_dev.class);
class_dev_iter_init(&iter, mmc->class_dev.class, NULL, NULL);
for (;;) {
dev = class_dev_iter_next(&iter);
if (!dev) {
break;
} else {
struct mmc_host *host = container_of(dev,
struct mmc_host, class_dev);
if (dev_name(&host->class_dev) &&
strcmp(dev_name(&host->class_dev),
MDM_MMC_ID)){
printk("[MODEM SDIO] detect card not match\n");
continue;
}
printk("[MODEM SDIO] detect card matched\n");
cbp_rst_ind->host = host;
mmc_detect_change(host, 0);
ret = 0;
break;
}
}
mmc_free_host(mmc);
out:
return ret;
}
static int cw1200_detect_card(const struct cw1200_platform_data *pdata)
{
/* HACK!!!
* Rely on mmc->class_dev.class set in mmc_alloc_host
* Tricky part: a new mmc hook is being (temporary) created
* to discover mmc_host class.
* Do you know more elegant way how to enumerate mmc_hosts?
*/
struct mmc_host *mmc = NULL;
struct class_dev_iter iter;
struct device *dev;
mmc = mmc_alloc_host(0, NULL);
if (!mmc)
return -ENOMEM;
BUG_ON(!mmc->class_dev.class);
class_dev_iter_init(&iter, mmc->class_dev.class, NULL, NULL);
for (;;) {
dev = class_dev_iter_next(&iter);
if (!dev) {
printk(KERN_ERR "cw1200: %s is not found.\n",
pdata->mmc_id);
break;
} else {
struct mmc_host *host = container_of(dev,
struct mmc_host, class_dev);
if (dev_name(&host->class_dev) &&
strcmp(dev_name(&host->class_dev),
pdata->mmc_id))
continue;
mmc_detect_change(host, 10);
break;
}
}
mmc_free_host(mmc);
return 0;
}
