From: Daniel Kurtz <djkurtz@chromium.org>
Date: Tue, 24 Jul 2012 12:13:58 +0000 (+0200)
Subject: i2c-i801: Rename some SMBHSTCNT bit constants
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=edbeea63839cf0ea169c3e0737d49a96b2ca8388;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

i2c-i801: Rename some SMBHSTCNT bit constants

Rename the SMBHSTCNT register bit access constants to match the style of
other register bits.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
---

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 40a50f780972..016fa22f1351 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -102,9 +102,6 @@
 #define SMBAUXCTL_CRC		1
 #define SMBAUXCTL_E32B		2
 
-/* kill bit for SMBHSTCNT */
-#define SMBHSTCNT_KILL		2
-
 /* Other settings */
 #define MAX_RETRIES		400
 #define ENABLE_INT9		0	/* set to 0x01 to enable - untested */
@@ -117,9 +114,13 @@
 #define I801_PROC_CALL		0x10	/* unimplemented */
 #define I801_BLOCK_DATA		0x14
 #define I801_I2C_BLOCK_DATA	0x18	/* ICH5 and later */
-#define I801_LAST_BYTE		0x20
-#define I801_START		0x40
-#define I801_PEC_EN		0x80	/* ICH3 and later */
+
+/* I801 Host Control register bits */
+#define SMBHSTCNT_INTREN	0x01
+#define SMBHSTCNT_KILL		0x02
+#define SMBHSTCNT_LAST_BYTE	0x20
+#define SMBHSTCNT_START		0x40
+#define SMBHSTCNT_PEC_EN	0x80	/* ICH3 and later */
 
 /* I801 Hosts Status register bits */
 #define SMBHSTSTS_BYTE_DONE	0x80
@@ -271,7 +272,7 @@ static int i801_transaction(struct i801_priv *priv, int xact)
 
 	/* the current contents of SMBHSTCNT can be overwritten, since PEC,
 	 * INTREN, SMBSCMD are passed in xact */
-	outb_p(xact | I801_START, SMBHSTCNT(priv));
+	outb_p(xact | SMBHSTCNT_START, SMBHSTCNT(priv));
 
 	/* We will always wait for a fraction of a second! */
 	do {
@@ -323,7 +324,7 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
 	}
 
 	status = i801_transaction(priv, I801_BLOCK_DATA | ENABLE_INT9 |
-				  I801_PEC_EN * hwpec);
+				  (hwpec ? SMBHSTCNT_PEC_EN : 0));
 	if (status)
 		return status;
 
@@ -374,11 +375,11 @@ static int i801_block_transaction_byte_by_byte(struct i801_priv *priv,
 
 	for (i = 1; i <= len; i++) {
 		if (i == len && read_write == I2C_SMBUS_READ)
-			smbcmd |= I801_LAST_BYTE;
+			smbcmd |= SMBHSTCNT_LAST_BYTE;
 		outb_p(smbcmd | ENABLE_INT9, SMBHSTCNT(priv));
 
 		if (i == 1)
-			outb_p(inb(SMBHSTCNT(priv)) | I801_START,
+			outb_p(inb(SMBHSTCNT(priv)) | SMBHSTCNT_START,
 			       SMBHSTCNT(priv));
 
 		/* We will always wait for a fraction of a second! */