dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

i2c-i801: Drop ENABLE_INT9 

Later patches enable interrupts.  This preliminary patch removes the older
unsupported ENABLE_INT9 flag.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Daniel Kurtz 2012-07-24 14:13:58 +02:00 committed by Jean Delvare
parent edbeea6383
commit 37af871112
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/i2c/busses/i2c-i801.c
View File

@ -104,7 +104,6 @@
/* Other settings */
#define MAX_RETRIES 400
#define ENABLE_INT9 0 /* set to 0x01 to enable - untested */
/* I801 command constants */
#define I801_QUICK 0x00
@ -271,7 +270,7 @@ static int i801_transaction(struct i801_priv *priv, int xact)
return result;
/* the current contents of SMBHSTCNT can be overwritten, since PEC,
* INTREN, SMBSCMD are passed in xact */
* SMBSCMD are passed in xact */
outb_p(xact | SMBHSTCNT_START, SMBHSTCNT(priv));
/* We will always wait for a fraction of a second! */
@ -323,7 +322,7 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
outb_p(data->block[i+1], SMBBLKDAT(priv));
}
status = i801_transaction(priv, I801_BLOCK_DATA | ENABLE_INT9 |
status = i801_transaction(priv, I801_BLOCK_DATA |
(hwpec ? SMBHSTCNT_PEC_EN : 0));
if (status)
return status;
@ -376,7 +375,7 @@ 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 |= SMBHSTCNT_LAST_BYTE;
outb_p(smbcmd | ENABLE_INT9, SMBHSTCNT(priv));
outb_p(smbcmd, SMBHSTCNT(priv));
if (i == 1)
outb_p(inb(SMBHSTCNT(priv)) | SMBHSTCNT_START,
@ -567,7 +566,7 @@ static s32 i801_access(struct i2c_adapter *adap, u16 addr,
ret = i801_block_transaction(priv, data, read_write, size,
hwpec);
else
ret = i801_transaction(priv, xact | ENABLE_INT9);
ret = i801_transaction(priv, xact);
/* Some BIOSes don't like it when PEC is enabled at reboot or resume
time, so we forcibly disable it after every transaction. Turn off