Esempio n. 1
0
/*
 * Process the next step in the request
 */
static void at91_mci_process_next(struct at91mci_host *host)
{
	if (!(host->flags & FL_SENT_COMMAND)) {
		host->flags |= FL_SENT_COMMAND;
		at91_mci_send_command(host, host->request->cmd);
	}
	else if ((!(host->flags & FL_SENT_STOP)) && host->request->stop) {
		host->flags |= FL_SENT_STOP;
		at91_mci_send_command(host, host->request->stop);
	}
	else
		mmc_request_done(host->mmc, host->request);
}
static void at91_mci_process_next(struct at91mci_host *host)
{
	if (!(host->flags & FL_SENT_COMMAND)) {
		host->flags |= FL_SENT_COMMAND;
		at91_mci_send_command(host, host->request->cmd);
	}
	else if ((!(host->flags & FL_SENT_STOP)) && host->request->stop) {
		host->flags |= FL_SENT_STOP;
		at91_mci_send_command(host, host->request->stop);
	} else {
		del_timer(&host->timer);
		if (cpu_is_at91rm9200())
			at91_reset_host(host);
		mmc_request_done(host->mmc, host->request);
	}
}
Esempio n. 3
0
/*
 * Process the next step in the request
 */
static void at91_mci_process_next(struct at91mci_host *host)
{
	if (!(host->flags & FL_SENT_COMMAND)) {
		host->flags |= FL_SENT_COMMAND;
		at91_mci_send_command(host, host->request->cmd);
	}
	else if ((!(host->flags & FL_SENT_STOP)) && host->request->stop) {
		host->flags |= FL_SENT_STOP;
		at91_mci_send_command(host, host->request->stop);
	} else {
		del_timer(&host->timer);
		/* the mci controller hangs after some transfers,
		 * and the workaround is to reset it after each transfer.
		 */
		at91_reset_host(host);
		mmc_request_done(host->mmc, host->request);
	}
}
Esempio n. 4
0
/*
 * Wait for a command to complete
 */
static void at91mci_process_command(struct at91mci_host *host, struct mmc_command *cmd)
{
	unsigned int ier;

	ier = at91_mci_send_command(host, cmd);

	pr_debug("setting ier to %08X\n", ier);

	/* Stop on errors or the required value */
	at91_mci_write(host, AT91_MCI_IER, AT91_MCI_ERRORS | ier);
}