tpm_crb: remove a cruft constant

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

Cc: Jiandi An <anjiandi@codeaurora.org>
Fixes: 69c558de63c7 ("tpm/tpm_crb: Enable TPM CRB interface for ARM64")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 72b03c32819865f8e43f251185a8996aceffe812..b917b9d5f71021fcc433e6ca4e1552974750f237 100644 (file)
--- 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;
        }

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 2b4af0769a289a67ce51d0bd66c7d03887c55330..0ff3c64ce92452c4b89c6344f30b7737e4a6534b 100644 (file)
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -1296,8 +1296,6 @@ struct acpi_table_tpm2 {
 #define ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD  8
 #define ACPI_TPM2_COMMAND_BUFFER_WITH_SMC          11
 
-#define ACPI_TPM2_START_METHOD_PARAMETER_OFFSET    52
-
 /*******************************************************************************
  *
  * UEFI - UEFI Boot optimization Table