linux-kernel - [PATCH 3/4] tpm_crb: refine the naming of constants

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Message-Id: <1472844861-24599-4-git-send-email-jarkko.sakkinen@linux.intel.com>
Date:   Fri,  2 Sep 2016 22:34:19 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Peter Huewe <peterhuewe@....de>
Cc:     linux-security-module@...r.kernel.org,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Marcel Selhorst <tpmdd@...horst.net>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        tpmdd-devel@...ts.sourceforge.net (moderated list:TPM DEVICE DRIVER),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 3/4] tpm_crb: refine the naming of constants

Renamed CRB protocol specific constants to match the TCG PC Client
Platform TPM Profile (PTP) Specification and driver status constants
to be explicit that they are driver specific.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
 drivers/char/tpm/tpm_crb.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 358c475..c8b0d91 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -34,14 +34,14 @@ enum crb_defaults {
 	CRB_ACPI_START_INDEX = 1,
 };
 
-enum crb_ca_request {
-	CRB_CA_REQ_GO_IDLE	= BIT(0),
-	CRB_CA_REQ_CMD_READY	= BIT(1),
+enum crb_ctrl_req {
+	CRB_CTRL_REQ_GO_IDLE	= BIT(0),
+	CRB_CTRL_REQ_CMD_READY	= BIT(1),
 };
 
-enum crb_ca_status {
-	CRB_CA_STS_ERROR	= BIT(0),
-	CRB_CA_STS_TPM_IDLE	= BIT(1),
+enum crb_ctrl_sts {
+	CRB_CTRL_STS_ERROR	= BIT(0),
+	CRB_CTRL_STS_TPM_IDLE	= BIT(1),
 };
 
 enum crb_start {
@@ -67,7 +67,7 @@ struct crb_control_area {
 } __packed;
 
 enum crb_status {
-	CRB_STS_COMPLETE	= BIT(0),
+	CRB_DRV_STS_COMPLETE	= BIT(0),
 };
 
 enum crb_flags {
@@ -92,7 +92,7 @@ static u8 crb_status(struct tpm_chip *chip)
 
 	if ((ioread32(&priv->cca->start) & CRB_START_INVOKE) !=
 	    CRB_START_INVOKE)
-		sts |= CRB_STS_COMPLETE;
+		sts |= CRB_DRV_STS_COMPLETE;
 
 	return sts;
 }
@@ -106,7 +106,7 @@ static int crb_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 	if (count < 6)
 		return -EIO;
 
-	if (ioread32(&priv->cca->sts) & CRB_CA_STS_ERROR)
+	if (ioread32(&priv->cca->sts) & CRB_CTRL_STS_ERROR)
 		return -EIO;
 
 	memcpy_fromio(buf, priv->rsp, 6);
@@ -194,8 +194,8 @@ static const struct tpm_class_ops tpm_crb = {
 	.send = crb_send,
 	.cancel = crb_cancel,
 	.req_canceled = crb_req_canceled,
-	.req_complete_mask = CRB_STS_COMPLETE,
-	.req_complete_val = CRB_STS_COMPLETE,
+	.req_complete_mask = CRB_DRV_STS_COMPLETE,
+	.req_complete_val = CRB_DRV_STS_COMPLETE,
 };
 
 static int crb_init(struct acpi_device *device, struct crb_priv *priv)
-- 
2.7.4