diff options
author | Ricardo Ribalda <ricardo.ribalda@gmail.com> | 2017-05-23 21:53:45 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-17 06:39:36 +0200 |
commit | ee0cd47799dd63c38e3ae842be6693b53b315735 (patch) | |
tree | fe1a3fb00b28b7243e717a4c28d98de660ecba13 /drivers | |
parent | 68cac074124615e24cd3ff6ca94ed7ef2e1cc0a2 (diff) |
i2c: piix4: Fix request_region size
[ Upstream commit f43128c75202f29ee71aa83e6c320a911137c189 ]
Since '701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")' we
are using the SMBSLVCNT register at offset 0x8. We need to request it.
Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/i2c/busses/i2c-piix4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index 630bce68bf38..b61db9db3ca5 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/drivers/i2c/busses/i2c-piix4.c @@ -54,7 +54,7 @@ #define SMBSLVDAT (0xC + piix4_smba) /* count for request_region */ -#define SMBIOSIZE 8 +#define SMBIOSIZE 9 /* PCI Address Constants */ #define SMBBA 0x090 |