From: Mark M. Hoffman Date: Sun, 6 Nov 2005 22:04:51 +0000 (+0100) Subject: [PATCH] i2c: i2c-i801 explicitly enables/disables PEC X-Git-Tag: v2.6.16-rc1~935^2~1^2~44 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e3e13f8e9d9b2111404cdccaa4e1b988b70acce;p=linux-2.6 [PATCH] i2c: i2c-i801 explicitly enables/disables PEC 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 --- diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index ac3eafa8aa..1c752ddc10 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -468,8 +468,7 @@ static s32 i801_access(struct i2c_adapter * adap, u16 addr, 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_adapter * adap, u16 addr, ret = i801_transaction(); } - if (hwpec) - outb_p(0, SMBAUXCTL); /* disable hardware PEC */ - if(block) return ret; if(ret)