i2c-i801: Rename some SMBHSTCNT bit constants
authorDaniel Kurtz <djkurtz@chromium.org>
Tue, 24 Jul 2012 12:13:58 +0000 (14:13 +0200)
committerJean Delvare <khali@endymion.delvare>
Tue, 24 Jul 2012 12:13:58 +0000 (14:13 +0200)
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>
drivers/i2c/busses/i2c-i801.c

index 40a50f780972fe66c88c383e263e22cb02084765..016fa22f1351d0c3f24ac49c42b95d6457b0fec8 100644 (file)
 #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 */
 #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! */
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