#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
#include <linux/mmc/mmc.h>
+#include <linux/mmc/sd.h>
#include "core.h"
#include "sysfs.h"
int err;
u8 *status;
+ if (card->scr.sda_vsn < SCR_SPEC_VER_1)
+ return MMC_ERR_NONE;
+
+ if (!(card->csd.cmdclass & CCC_SWITCH)) {
+ printk(KERN_WARNING "%s: card lacks mandatory switch "
+ "function, performance might suffer.\n",
+ mmc_hostname(card->host));
+ return MMC_ERR_NONE;
+ }
+
err = MMC_ERR_FAILED;
status = kmalloc(64, GFP_KERNEL);
err = mmc_sd_switch(card, 0, 0, 1, status);
if (err != MMC_ERR_NONE) {
- /*
- * Card not supporting high-speed will ignore the
- * command.
- */
+ printk(KERN_WARNING "%s: problem reading switch "
+ "capabilities, performance might suffer.\n",
+ mmc_hostname(card->host));
err = MMC_ERR_NONE;
goto out;
}
int err;
u8 *status;
+ if (card->scr.sda_vsn < SCR_SPEC_VER_1)
+ return MMC_ERR_NONE;
+
+ if (!(card->csd.cmdclass & CCC_SWITCH))
+ return MMC_ERR_NONE;
+
if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED))
return MMC_ERR_NONE;
/*
* Switch to wider bus (if supported).
*/
- if ((host->caps && MMC_CAP_4_BIT_DATA) &&
+ if ((host->caps & MMC_CAP_4_BIT_DATA) &&
(card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {
err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4);
if (err != MMC_ERR_NONE)
blocks = 0;
}
- if (cmd->opcode == MMC_STOP_TRANSMISSION)
+ if (host->flags & FL_SENT_STOP)
cmdr |= AT91_MCI_TRCMD_STOP;
if (host->bus_mode == MMC_BUSMODE_OPENDRAIN)
if (status & (AT91_MCI_RINDE | AT91_MCI_RDIRE | AT91_MCI_RCRCE |
AT91_MCI_RENDE | AT91_MCI_RTOE | AT91_MCI_DCRCE |
AT91_MCI_DTOE | AT91_MCI_OVRE | AT91_MCI_UNRE)) {
- if ((status & AT91_MCI_RCRCE) &&
- ((cmd->opcode == MMC_SEND_OP_COND) || (cmd->opcode == SD_APP_OP_COND))) {
+ if ((status & AT91_MCI_RCRCE) && !(mmc_resp_type(cmd) & MMC_RSP_CRC)) {
cmd->error = MMC_ERR_NONE;
}
else {
#endif
};
-#define AU1XMMC_CONTROLLER_COUNT \
- (sizeof(au1xmmc_card_table) / sizeof(au1xmmc_card_table[0]))
+#define AU1XMMC_CONTROLLER_COUNT (ARRAY_SIZE(au1xmmc_card_table))
/* This array stores pointers for the hosts (used by the IRQ handler) */
struct au1xmmc_host *au1xmmc_hosts[AU1XMMC_CONTROLLER_COUNT];