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Diffstat (limited to 'include/linux/mmc/host.h')
-rw-r--r--include/linux/mmc/host.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index c5b6e97cb21a..c079b932330f 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -163,6 +163,7 @@ struct mmc_host_ops {
int (*select_drive_strength)(struct mmc_card *card,
unsigned int max_dtr, int host_drv,
int card_drv, int *drv_type);
+ /* Reset the eMMC card via RST_n */
void (*hw_reset)(struct mmc_host *host);
void (*card_event)(struct mmc_host *host);
@@ -346,7 +347,7 @@ struct mmc_host {
#define MMC_CAP_CD_WAKE (1 << 28) /* Enable card detect wake */
#define MMC_CAP_CMD_DURING_TFR (1 << 29) /* Commands during data transfer */
#define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */
-#define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */
+#define MMC_CAP_HW_RESET (1 << 31) /* Reset the eMMC card via RST_n */
u32 caps2; /* More host capabilities */
@@ -399,6 +400,7 @@ struct mmc_host {
unsigned int use_spi_crc:1;
unsigned int claimed:1; /* host exclusively claimed */
unsigned int bus_dead:1; /* bus has been released */
+ unsigned int doing_init_tune:1; /* initial tuning in progress */
unsigned int can_retune:1; /* re-tuning can be used */
unsigned int doing_retune:1; /* re-tuning in progress */
unsigned int retune_now:1; /* do re-tuning at next req */
@@ -594,6 +596,11 @@ static inline bool mmc_doing_retune(struct mmc_host *host)
return host->doing_retune == 1;
}
+static inline bool mmc_doing_tune(struct mmc_host *host)
+{
+ return host->doing_retune == 1 || host->doing_init_tune == 1;
+}
+
static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data)
{
return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;