[PATCH] tpm_crb: remove a cruft constant

[Jarkko Sakkinen]

Remove a useless constant that slipped through me when I did the code
review. This commit fixes the issue.

Cc: Jiandi An <anjiandi@xxxxxxxxxxxxxx>
Fixes: 69c558de63c7 ("tpm/tpm_crb: Enable TPM CRB interface for ARM64")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
---
 drivers/char/tpm/tpm_crb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 72b03c3..b917b9d 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -572,8 +572,7 @@ static int crb_acpi_add(struct acpi_device *device)
 				ACPI_TPM2_COMMAND_BUFFER_WITH_SMC);
 			return -EINVAL;
 		}
-		crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf,
-				       ACPI_TPM2_START_METHOD_PARAMETER_OFFSET);
+		crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf, sizeof(*buf));
 		priv->smc_func_id = crb_smc->smc_func_id;
 		priv->flags |= CRB_FL_CRB_SMC_START;
 	}
-- 
2.9.3