Re: [PATCH 2/3] ACPI: EC: use BURST mode only for MSI notebooks

[Len Brown <lenb@kernel.org>]

applied to ec branch in acpi-test for 2.6.32

The patch needs a check-in comment before it goes upstream, however.

thanks,
Len Brown, Intel Open Source Technology Center

On Fri, 28 Aug 2009, Alexey Starikovskiy wrote:

> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
> ---
> 
>  drivers/acpi/ec.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> 
> diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
> index 78f8380..829e62e 100644
> --- a/drivers/acpi/ec.c
> +++ b/drivers/acpi/ec.c
> @@ -627,7 +627,8 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
>  	if (bits != 8 && acpi_strict)
>  		return AE_BAD_PARAMETER;
>  
> -	acpi_ec_burst_enable(ec);
> +	if (EC_FLAGS_MSI)
> +		acpi_ec_burst_enable(ec);
>  
>  	if (function == ACPI_READ) {
>  		result = acpi_ec_read(ec, address, &temp);
> @@ -648,7 +649,8 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
>  		}
>  	}
>  
> -	acpi_ec_burst_disable(ec);
> +	if (EC_FLAGS_MSI)
> +		acpi_ec_burst_disable(ec);
>  
>  	switch (result) {
>  	case -EINVAL:
> 
> --
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