diff mbox series

[3/7] mmc-utils: interpret DEVICE_VERSION when printing extcsd

Message ID f3e073c1088ac17d0d749cb095e1adda8edda00b.1539103468.git.jamesnuss@nanometrics.ca (mailing list archive)
State New, archived
Headers show
Series fix bugs in write_reliability and enh_area set commands + more extcsd parsing | expand

Commit Message

James Nuss Oct. 9, 2018, 5:31 p.m. UTC 
The DEVICE_VERSION is a 2-byte field

Print the individual byte values in hex

Signed-off-by: James Nuss <jamesnuss@nanometrics.ca>
---
 mmc.h      | 2 ++
 mmc_cmds.c | 3 +++
 2 files changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/mmc.h b/mmc.h
index 86e209a..f25869e 100644
--- a/mmc.h
+++ b/mmc.h
@@ -59,6 +59,8 @@ 
 #define EXT_CSD_OPTIMAL_READ_SIZE	266	/* RO */
 #define EXT_CSD_OPTIMAL_WRITE_SIZE	265	/* RO */
 #define EXT_CSD_OPTIMAL_TRIM_UNIT_SIZE	264	/* RO */
+#define EXT_CSD_DEVICE_VERSION_1	263	/* RO */
+#define EXT_CSD_DEVICE_VERSION_0	262	/* RO */
 #define EXT_CSD_FIRMWARE_VERSION_7	261	/* RO */
 #define EXT_CSD_FIRMWARE_VERSION_6	260	/* RO */
 #define EXT_CSD_FIRMWARE_VERSION_5	259	/* RO */
diff --git a/mmc_cmds.c b/mmc_cmds.c
index 45aa4c0..756aa2f 100644
--- a/mmc_cmds.c
+++ b/mmc_cmds.c
@@ -1758,6 +1758,9 @@  int do_read_extcsd(int nargs, char **argv)
 	}
 
 	if (ext_csd_rev >= 7) {
+		printf("Device Version: 0x%02x%02x\n",
+			ext_csd[EXT_CSD_DEVICE_VERSION_1],
+			ext_csd[EXT_CSD_DEVICE_VERSION_0]);
 		printf("Firmware Version: 0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
 			ext_csd[EXT_CSD_FIRMWARE_VERSION_7],
 			ext_csd[EXT_CSD_FIRMWARE_VERSION_6],