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-rw-r--r--include/linux/mmc/host.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index ff861fd2517b..fca8e4a04c3b 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -318,6 +318,8 @@ struct mmc_host {
#define MMC_CAP2_CLK_SCALE (1 << 20) /* Allow dynamic clk scaling */
/* Allows Asynchronous SDIO irq while card is in 4-bit mode */
#define MMC_CAP2_ASYNC_SDIO_IRQ_4BIT_MODE (1 << 21)
+/* Some hosts need additional tuning */
+#define MMC_CAP2_HS400_POST_TUNING (1 << 22)
#define MMC_CAP2_NONHOTPLUG (1 << 25) /*Don't support hotplug*/
mmc_pm_flag_t pm_caps; /* supported pm features */