Hi Ricardo, Wolfram,
On Fri, 27 Jan 2017 15:59:30 +0100, Ricardo Ribalda Delgado wrote:
> 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@xxxxxxxxx>
> ---
> Please note, not tested on hardware.
> drivers/i2c/busses/i2c-piix4.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> 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
I checked all the datasheets I have access to, and it should be good.
Signed-off-by: Jean Delvare <jdelvare@xxxxxxx>
--
Jean Delvare
SUSE L3 Support
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