This host_ops member is used to test if the card is signaling busy by
pulling dat[0:3] low.
Signed-off-by: Johan Rudholm <johan.rudh...@stericsson.com>
---
include/linux/mmc/host.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 61a10c1..3b56ef2 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -131,6 +131,9 @@ struct mmc_host_ops {
int (*start_signal_voltage_switch)(struct mmc_host *host, struct
mmc_ios *ios);
+ /* Check if the card is pulling dat[0:3] low */
+ int (*card_busy)(struct mmc_host *host);
+
/* The tuning command opcode value is different for SD and eMMC cards */
int (*execute_tuning)(struct mmc_host *host, u32 opcode);
void (*enable_preset_value)(struct mmc_host *host, bool enable);
--
1.7.10
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
