On Tue, Sep 16, 2014 at 05:21:03PM +0800, Fan Du wrote:
> Software is allowed to allocate number of descriptor size from 2 to 256,
> this i2c controller could process more descriptor, but for i2c core soft
> ware layer, only one i2c transaction is allowed each time.
>
> So here switch to minimum 2 descriptor when initialization.
>
> Signed-off-by: Fan Du <[email protected]>
> ---
> drivers/i2c/busses/i2c-ismt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
> index 9844925..8a0275c 100644
> --- a/drivers/i2c/busses/i2c-ismt.c
> +++ b/drivers/i2c/busses/i2c-ismt.c
> @@ -81,7 +81,7 @@
> #define PCI_DEVICE_ID_INTEL_S1200_SMT1 0x0c5a
> #define PCI_DEVICE_ID_INTEL_AVOTON_SMT 0x1f15
>
> -#define ISMT_DESC_ENTRIES 32 /* number of descriptor entries */
> +#define ISMT_DESC_ENTRIES 2 /* number of descriptor entries */
> #define ISMT_MAX_RETRIES 3 /* number of SMBus retries to attempt */
>
> /* Hardware Descriptor Constants - Control Field */
> --
> 1.7.9.5
>
>
Acked-by: Neil Horman <[email protected]>
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