From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Wed, 23 Mar 2016 07:55:34 +0000 (+0100)
Subject: tpm/st33zp24: Remove unneeded tpm_reg in get_burstcount
X-Git-Tag: v4.8-rc1~95^2~75
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ddab0e34288a233ffd8763aa7c938d61ab128c0b;p=linux.git

tpm/st33zp24: Remove unneeded tpm_reg in get_burstcount

We can get rid of tpm_reg variable in get_burstcount.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---

diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c
index 944d279f2402..9e91ca74e1dd 100644
--- a/drivers/char/tpm/st33zp24/st33zp24.c
+++ b/drivers/char/tpm/st33zp24/st33zp24.c
@@ -208,21 +208,21 @@ static int get_burstcount(struct tpm_chip *chip)
 {
 	unsigned long stop;
 	int burstcnt, status;
-	u8 tpm_reg, temp;
+	u8 temp;
 	struct st33zp24_dev *tpm_dev;
 
 	tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip);
 
 	stop = jiffies + chip->vendor.timeout_d;
 	do {
-		tpm_reg = TPM_STS + 1;
-		status = tpm_dev->ops->recv(tpm_dev->phy_id, tpm_reg, &temp, 1);
+		status = tpm_dev->ops->recv(tpm_dev->phy_id, TPM_STS + 1,
+					    &temp, 1);
 		if (status < 0)
 			return -EBUSY;
 
-		tpm_reg = TPM_STS + 2;
 		burstcnt = temp;
-		status = tpm_dev->ops->recv(tpm_dev->phy_id, tpm_reg, &temp, 1);
+		status = tpm_dev->ops->recv(tpm_dev->phy_id, TPM_STS + 2,
+					    &temp, 1);
 		if (status < 0)
 			return -EBUSY;