From khali@linux-fr.org Sun Nov 6 14:05:23 2005 Date: Sun, 6 Nov 2005 23:04:51 +0100 From: Jean Delvare To: Greg KH Cc: "Mark M. Hoffman" Subject: [PATCH] i2c: i2c-i801 explicitly enables/disables PEC Message-Id: <20051106230451.0e41fdc6.khali@linux-fr.org> Content-Disposition: inline; filename=i2c-i801-explicitly-set-smbauxctl.patch From: "Mark M. Hoffman" This patch tweaks i2c-i801.c so that the driver always sets the SMBAUXCTL register (which enables/disables PEC) explicitly before each transaction. Signed-off-by: Mark M. Hoffman Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/busses/i2c-i801.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) --- gregkh-2.6.orig/drivers/i2c/busses/i2c-i801.c +++ gregkh-2.6/drivers/i2c/busses/i2c-i801.c @@ -468,8 +468,7 @@ static s32 i801_access(struct i2c_adapte return -1; } - if (hwpec) - outb_p(1, SMBAUXCTL); /* enable hardware PEC */ + outb_p(hwpec, SMBAUXCTL); /* enable/disable hardware PEC */ if(block) ret = i801_block_transaction(data, read_write, size, hwpec); @@ -478,9 +477,6 @@ static s32 i801_access(struct i2c_adapte ret = i801_transaction(); } - if (hwpec) - outb_p(0, SMBAUXCTL); /* disable hardware PEC */ - if(block) return ret; if(ret)