diff mbox series

[U-Boot,v2,01/19] tpm: add Revision ID field in the chip structure

Message ID 20180329074401.8691-2-miquel.raynal@bootlin.com
State Changes Requested
Delegated to: Tom Rini
Headers show
Series Introduce SPI TPM v2.0 support | expand

Commit Message

Miquel Raynal March 29, 2018, 7:43 a.m. UTC 
TPM are shipped with a few read-only register from which we can retrieve
for instance:
- vendor ID
- product ID
- revision ID

Product and vendor ID share the same register and are already referenced
in the tpm_chip structure. Add the revision ID entry which is missing.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
 drivers/tpm/tpm_tis.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Simon Glass March 29, 2018, 10:41 p.m. UTC | #1 
On 29 March 2018 at 15:43, Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> TPM are shipped with a few read-only register from which we can retrieve
> for instance:
> - vendor ID
> - product ID
> - revision ID
>
> Product and vendor ID share the same register and are already referenced
> in the tpm_chip structure. Add the revision ID entry which is missing.
>
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> ---
>  drivers/tpm/tpm_tis.h | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Simon Glass <sjg@chromium.org>
diff mbox series

Patch

diff --git a/drivers/tpm/tpm_tis.h b/drivers/tpm/tpm_tis.h
index 25b152b321..2b81f3be50 100644
--- a/drivers/tpm/tpm_tis.h
+++ b/drivers/tpm/tpm_tis.h
@@ -41,6 +41,7 @@  struct tpm_chip {
 	int is_open;
 	int locality;
 	u32 vend_dev;
+	u8 rid;
 	unsigned long timeout_a, timeout_b, timeout_c, timeout_d;  /* msec */
 	ulong chip_type;
 };