[PATCH v2 2/5] tpm: ppi: rename TPM_PPI_REVISION_ID to TPM_PPI_REVISION_ID_1

From: Stefan Berger
Date: Thu Jan 17 2019 - 12:41:52 EST


TPM PPI 1.3 introduces a function revision 2 for some functions. So,
rename the existing TPM_PPI_REVISION_ID to TPM_PPI_REVISION_ID_1.

Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
Tested-by: David Safford <david.safford@xxxxxx>
---
drivers/char/tpm/tpm_ppi.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/char/tpm/tpm_ppi.c b/drivers/char/tpm/tpm_ppi.c
index 90b69aeadc99..88ecdae1df03 100644
--- a/drivers/char/tpm/tpm_ppi.c
+++ b/drivers/char/tpm/tpm_ppi.c
@@ -20,7 +20,7 @@
#include <linux/acpi.h>
#include "tpm.h"

-#define TPM_PPI_REVISION_ID 1
+#define TPM_PPI_REVISION_ID_1 1
#define TPM_PPI_FN_VERSION 1
#define TPM_PPI_FN_SUBREQ 2
#define TPM_PPI_FN_GETREQ 3
@@ -61,7 +61,7 @@ static ssize_t tpm_show_ppi_request(struct device *dev,
struct tpm_chip *chip = to_tpm_chip(dev);

obj = tpm_eval_dsm(chip->acpi_dev_handle, TPM_PPI_FN_GETREQ,
- ACPI_TYPE_PACKAGE, NULL, TPM_PPI_REVISION_ID);
+ ACPI_TYPE_PACKAGE, NULL, TPM_PPI_REVISION_ID_1);
if (!obj)
return -ENXIO;

@@ -103,7 +103,7 @@ static ssize_t tpm_store_ppi_request(struct device *dev,
* version 1.1
*/
if (acpi_check_dsm(chip->acpi_dev_handle, &tpm_ppi_guid,
- TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_SUBREQ2))
+ TPM_PPI_REVISION_ID_1, 1 << TPM_PPI_FN_SUBREQ2))
func = TPM_PPI_FN_SUBREQ2;

/*
@@ -125,7 +125,7 @@ static ssize_t tpm_store_ppi_request(struct device *dev,
}

obj = tpm_eval_dsm(chip->acpi_dev_handle, func, ACPI_TYPE_INTEGER,
- &argv4, TPM_PPI_REVISION_ID);
+ &argv4, TPM_PPI_REVISION_ID_1);
if (!obj) {
return -ENXIO;
} else {
@@ -169,7 +169,7 @@ static ssize_t tpm_show_ppi_transition_action(struct device *dev,
if (strcmp(chip->ppi_version, "1.2") < 0)
obj = &tmp;
obj = tpm_eval_dsm(chip->acpi_dev_handle, TPM_PPI_FN_GETACT,
- ACPI_TYPE_INTEGER, obj, TPM_PPI_REVISION_ID);
+ ACPI_TYPE_INTEGER, obj, TPM_PPI_REVISION_ID_1);
if (!obj) {
return -ENXIO;
} else {
@@ -195,7 +195,7 @@ static ssize_t tpm_show_ppi_response(struct device *dev,
struct tpm_chip *chip = to_tpm_chip(dev);

obj = tpm_eval_dsm(chip->acpi_dev_handle, TPM_PPI_FN_GETRSP,
- ACPI_TYPE_PACKAGE, NULL, TPM_PPI_REVISION_ID);
+ ACPI_TYPE_PACKAGE, NULL, TPM_PPI_REVISION_ID_1);
if (!obj)
return -ENXIO;

@@ -263,7 +263,7 @@ static ssize_t show_ppi_operations(acpi_handle dev_handle, char *buf, u32 start,
"User not required",
};

- if (!acpi_check_dsm(dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID,
+ if (!acpi_check_dsm(dev_handle, &tpm_ppi_guid, TPM_PPI_REVISION_ID_1,
1 << TPM_PPI_FN_GETOPR))
return -EPERM;

@@ -272,7 +272,7 @@ static ssize_t show_ppi_operations(acpi_handle dev_handle, char *buf, u32 start,
tmp.integer.value = i;
obj = tpm_eval_dsm(dev_handle, TPM_PPI_FN_GETOPR,
ACPI_TYPE_INTEGER, &argv,
- TPM_PPI_REVISION_ID);
+ TPM_PPI_REVISION_ID_1);
if (!obj) {
return -ENOMEM;
} else {
@@ -338,12 +338,13 @@ void tpm_add_ppi(struct tpm_chip *chip)
return;

if (!acpi_check_dsm(chip->acpi_dev_handle, &tpm_ppi_guid,
- TPM_PPI_REVISION_ID, 1 << TPM_PPI_FN_VERSION))
+ TPM_PPI_REVISION_ID_1, 1 << TPM_PPI_FN_VERSION))
return;

/* Cache PPI version string. */
obj = acpi_evaluate_dsm_typed(chip->acpi_dev_handle, &tpm_ppi_guid,
- TPM_PPI_REVISION_ID, TPM_PPI_FN_VERSION,
+ TPM_PPI_REVISION_ID_1,
+ TPM_PPI_FN_VERSION,
NULL, ACPI_TYPE_STRING);
if (obj) {
strlcpy(chip->ppi_version, obj->string.pointer,
--
2.13.6