Give a proper name to BIT 31 which is used as reliable write
for RPMB.
Signed-off-by: Christian Loehle <cloehle@xxxxxxxxxxxxxx>
---
drivers/mmc/core/block.c | 5 ++++-
include/uapi/linux/mmc/ioctl.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 672ab90c4b2d..16e262ddc954 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -49,6 +49,8 @@
#include <linux/uaccess.h>
+#include <uapi/linux/mmc/ioctl.h>
+
#include "queue.h"
#include "block.h"
#include "core.h"
@@ -538,7 +540,8 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
* may be increased by a future standard. We just copy the
* 'Reliable Write' bit here.
*/
- sbc.arg = data.blocks | (idata->ic.write_flag & BIT(31));
+ sbc.arg = data.blocks |
+ (idata->ic.write_flag & MMC_RPMB_RELIABLE_WRITE);
sbc.flags = MMC_RSP_R1 | MMC_CMD_AC;
mrq.sbc = &sbc;
}
diff --git a/include/uapi/linux/mmc/ioctl.h b/include/uapi/linux/mmc/ioctl.h
index e7401ade6822..b2ff7f5be87b 100644
--- a/include/uapi/linux/mmc/ioctl.h
+++ b/include/uapi/linux/mmc/ioctl.h
@@ -11,6 +11,7 @@ struct mmc_ioc_cmd {
* Bit 31 selects 'Reliable Write' for RPMB.
*/
int write_flag;
+#define MMC_RPMB_RELIABLE_WRITE (1 << 31)
/* Application-specific command. true = precede with CMD55 */
int is_acmd;
--
2.37.3
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