From: Borislav Petkov <bp@alien8.de>
To: Wang Hongcheng <annie.wang@amd.com>
Cc: Vinod Koul <vinod.koul@intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-serial@vger.kernel.org, dmaengine@vger.kernel.org,
iommu@lists.linux-foundation.org, Huang Rui <ray.huang@amd.com>,
Wan Zongshun <vincent.wan@amd.com>, Ken Xue <ken.xue@amd.com>,
Tony Li <tony.li@amd.com>
Subject: Re: [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter description
Date: Fri, 4 Dec 2015 13:21:50 +0100 [thread overview]
Message-ID: <20151204122149.GD21177@pd.tnic> (raw)
In-Reply-To: <1449199466-6081-9-git-send-email-annie.wang@amd.com>
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.
next prev parent reply other threads:[~2015-12-04 12:22 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-04 3:24 [PATCH 0/9] 8250: AMD Carrizo UART PL300 DMA enablement Wang Hongcheng
2015-12-04 3:24 ` [PATCH 1/9] ACPI: Add support for AMBA bus type Wang Hongcheng
2015-12-04 8:50 ` Mika Westerberg
2015-12-04 9:17 ` Huang Rui
2015-12-04 9:42 ` Hanjun Guo
2015-12-04 9:59 ` G Gregory
2015-12-04 10:20 ` Huang Rui
2015-12-04 10:23 ` G Gregory
2015-12-04 3:24 ` [PATCH 2/9] 8250/Kconfig: add config option CONFIG_SERIAL_8250_AMD Wang Hongcheng
2015-12-04 11:11 ` Borislav Petkov
2015-12-04 3:24 ` [PATCH 3/9] ACPI: add struct acpi_amba_quirk for AMD pl330 specific device config Wang Hongcheng
2015-12-04 12:56 ` kbuild test robot
2015-12-04 13:16 ` Graeme Gregory
2015-12-11 6:57 ` Wang, Annie
2015-12-11 9:31 ` Vinod Koul
2015-12-04 3:24 ` [PATCH 4/9] dmaengine: pl330: add new items for pl330 private data Wang Hongcheng
2015-12-10 4:09 ` Vinod Koul
2015-12-10 6:38 ` Wang, Annie
2015-12-11 9:29 ` Vinod Koul
2015-12-11 13:56 ` Andy Shevchenko
2015-12-04 3:24 ` [PATCH 5/9] dmaengine: pl330: provide ACPI dmaengine interface Wang Hongcheng
2015-12-13 2:21 ` Andy Shevchenko
2015-12-04 3:24 ` [PATCH 6/9] dmaengine:pl330: set segment_boundary_mask = 0cffffffff Wang Hongcheng
2015-12-04 14:59 ` Robin Murphy
2015-12-04 3:24 ` [PATCH 7/9] Serial:8250: New Port Type PORT_AMD_8250 Wang Hongcheng
2015-12-13 2:30 ` Andy Shevchenko
2015-12-04 3:24 ` [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter description Wang Hongcheng
2015-12-04 12:21 ` Borislav Petkov [this message]
2015-12-04 13:19 ` Wan, Vincent
2015-12-04 14:38 ` Borislav Petkov
2015-12-04 3:24 ` [PATCH 9/9] iommu/amd: Add ACPI HID named devices IOMMU driver support Wang Hongcheng
2015-12-13 2:32 ` [PATCH 0/9] 8250: AMD Carrizo UART PL300 DMA enablement Andy Shevchenko
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