if (bit) {
bit -= 1;
- ocr = 3 << bit;
+ ocr &= 3 << bit;
host->ios.vdd = bit;
mmc_set_ios(host);
mmc_set_data_timeout(&data, card, 0);
- data.blksz_bits = 3;
data.blksz = 1 << 3;
data.blocks = 1;
data.flags = MMC_DATA_READ;
*/
void mmc_detect_change(struct mmc_host *host, unsigned long delay)
{
- if (delay)
- schedule_delayed_work(&host->detect, delay);
- else
- schedule_work(&host->detect);
+ mmc_schedule_delayed_work(&host->detect, delay);
}
EXPORT_SYMBOL(mmc_detect_change);
-static void mmc_rescan(void *data)
+static void mmc_rescan(struct work_struct *work)
{
- struct mmc_host *host = data;
+ struct mmc_host *host =
+ container_of(work, struct mmc_host, detect.work);
struct list_head *l, *n;
+ unsigned char power_mode;
mmc_claim_host(host);
- if (host->ios.power_mode == MMC_POWER_ON)
+ /*
+ * Check for removed cards and newly inserted ones. We check for
+ * removed cards first so we can intelligently re-select the VDD.
+ */
+ power_mode = host->ios.power_mode;
+ if (power_mode == MMC_POWER_ON)
mmc_check_cards(host);
mmc_setup(host);
+ /*
+ * Some broken cards process CMD1 even in stand-by state. There is
+ * no reply, but an ILLEGAL_COMMAND error is cached and returned
+ * after next command. We poll for card status here to clear any
+ * possibly pending error.
+ */
+ if (power_mode == MMC_POWER_ON)
+ mmc_check_cards(host);
+
if (!list_empty(&host->cards)) {
/*
* (Re-)calculate the fastest clock rate which the
spin_lock_init(&host->lock);
init_waitqueue_head(&host->wq);
INIT_LIST_HEAD(&host->cards);
- INIT_WORK(&host->detect, mmc_rescan, host);
+ INIT_DELAYED_WORK(&host->detect, mmc_rescan);
/*
* By default, hosts do not support SGIO or large requests.
*/
void mmc_free_host(struct mmc_host *host)
{
- flush_scheduled_work();
+ mmc_flush_scheduled_work();
mmc_free_host_sysfs(host);
}
*/
int mmc_resume_host(struct mmc_host *host)
{
- mmc_rescan(host);
+ mmc_rescan(&host->detect.work);
return 0;
}