Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/uapi/linux/mmc/ioctl.h b/include/uapi/linux/mmc/ioctl.h
index 45f369d..00c0812 100644
--- a/include/uapi/linux/mmc/ioctl.h
+++ b/include/uapi/linux/mmc/ioctl.h
@@ -5,7 +5,10 @@
#include <linux/types.h>
struct mmc_ioc_cmd {
- /* Implies direction of data. true = write, false = read */
+ /*
+ * Direction of data: nonzero = write, zero = read.
+ * Bit 31 selects 'Reliable Write' for RPMB.
+ */
int write_flag;
/* Application-specific command. true = precede with CMD55 */