HS200/HS400 mode is not supported during boot operation.

Signed-off-by: Jaehoon Chung <[email protected]>
---
 include/linux/mmc/host.h |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 7960424..ce5db96 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -445,6 +445,10 @@ static inline int mmc_host_cmd23(struct mmc_host *host)
 
 static inline int mmc_boot_partition_access(struct mmc_host *host)
 {
+       /* HS200 & HS400 mode is not supported during boot operation */
+       if (host->caps2 & (MMC_CAP2_HS200 | MMC_CAP2_HS400))
+               return 0;
+
        return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
 }
 
-- 
1.7.9.5

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