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authorMark M. Hoffman <mhoffman@lightlink.com>2005-11-06 23:04:51 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-01-05 22:16:20 -0800
commit2e3e13f8e9d9b2111404cdccaa4e1b988b70acce (patch)
treede95ee215c2189cbfb98829e32e7fb117c94a160 /drivers/i2c
parent46f25dffbaba48c571d75f5f574f31978287b8d2 (diff)
[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@lightlink.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-i801.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index ac3eafa8aac..1c752ddc10e 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)