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authorRicardo Ribalda <ricardo.ribalda@gmail.com>2017-01-27 17:59:30 +0300
committerWolfram Sang <wsa@the-dreams.de>2017-02-09 19:10:38 +0300
commitf43128c75202f29ee71aa83e6c320a911137c189 (patch)
tree85280695db72c8ae27f6c0c312a8573a4d756c80 /drivers/i2c
parentd5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c (diff)
downloadlinux-f43128c75202f29ee71aa83e6c320a911137c189.tar.xz
i2c: piix4: Fix request_region size
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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-piix4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index e34d82e79b98..73cc6799cc59 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -58,7 +58,7 @@
#define SMBSLVDAT (0xC + piix4_smba)
/* count for request_region */
-#define SMBIOSIZE 8
+#define SMBIOSIZE 9
/* PCI Address Constants */
#define SMBBA 0x090