Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1283777

Re: [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter description

Show all headers | View raw

On Fri, Dec 04, 2015 at 11:24:25AM +0800, Wang Hongcheng wrote:
> From: Wan Zongshun <Vincent.Wan@amd.com>
> 
> Add ivrs_acpihid kernel parameter description,
> like ivrs_acpihid[00:14.5]=AMD0020:0.
> 
> Signed-off-by: Wan Zongshun <Vincent.Wan@amd.com>
> ---
>  Documentation/kernel-parameters.txt | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 742f69d..5c364c6 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -1680,6 +1680,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
>  			PCI device 00:14.0 write the parameter as:
>  				ivrs_hpet[0]=00:14.0
>  
> +	ivrs_acpihid	[HW,X86_64]
> +			Provide an override to the ACPI-HID:UID<->DEVICE-ID
> +			mapping provided in the IVRS ACPI table. For
> +			example, to map UART-HID:UID AMD0020:0 to
> +			PCI device 00:14.5 write the parameter as:
> +				ivrs_acpihid[00:14.5]=AMD0020:0

What is that parameter needed for? Can't you deduce the mapping from the
hardware?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

Re: [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter  description Borislav Petkov <bp@alien8.de> - 2015-12-04 13:30 +0100
  RE: [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter  description "Wan, Vincent" <Vincent.Wan@amd.com> - 2015-12-04 15:00 +0100
    Re: [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter  description Borislav Petkov <bp@alien8.de> - 2015-12-04 15:40 +0100

csiph-web