[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 <mhoffman at lightlink.com> Signed-off-by: Jean Delvare <khali at linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de> --- commit 2e3e13f8e9d9b2111404cdccaa4e1b988b70acce tree de95ee215c2189cbfb98829e32e7fb117c94a160 parent 46f25dffbaba48c571d75f5f574f31978287b8d2 author Mark M. Hoffman <mhoffman at lightlink.com> Sun, 06 Nov 2005 23:04:51 +0100 committer Greg Kroah-Hartman <gregkh at suse.de> Thu, 05 Jan 2006 22:16:20 -0800 drivers/i2c/busses/i2c-i801.c | 6 +----- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index ac3eafa..1c752dd 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_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)
