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i2c: piix4: Fix request_region size

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[ Upstream commit f43128c752 ]

Since '701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC")' we
are using the SMBSLVCNT register at offset 0x8. We need to request it.

Fixes: 701dc207bf ("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>
This commit is contained in:
Ricardo Ribalda 2017-05-23 21:53:45 -04:00 committed by Greg Kroah-Hartman
parent 68cac07412
commit ee0cd47799
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-piix4.c
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@ -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