Re: [PATCH 2/2] ACPI: EC: Some hardware requires burst mode to operate properly

[Len Brown <lenb@kernel.org>]

applied to acpi test

thanks,
-Len

On Thursday 10 January 2008 18:42, Alexey Starikovskiy wrote:
> Burst mode temporary (50 ms) locks EC to do only transactions with
> driver, without it some hardware returns abstract garbage.
> 
> Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9341
> Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
> ---
> 
>  drivers/acpi/ec.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
> index 1de0905..98a5388 100644
> --- a/drivers/acpi/ec.c
> +++ b/drivers/acpi/ec.c
> @@ -575,6 +575,8 @@ 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 (function == ACPI_READ) {
>  		result = acpi_ec_read(ec, address, &temp);
>  		*value = temp;
> @@ -594,6 +596,8 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
>  		}
>  	}
>  
> +	acpi_ec_burst_disable(ec);
> +
>  	switch (result) {
>  	case -EINVAL:
>  		return AE_BAD_PARAMETER;
> 
> -
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