[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Fri, 2 Feb 2018 19:54:24 +0800
From: Hanjun Guo <guohanjun@...wei.com>
To: Yang Shunyong <shunyong.yang@...-semitech.com>, <rjw@...ysocki.net>
CC: <lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Joey Zheng <yu.zheng@...-semitech.com>,
"Wang Dongsheng" <dongsheng.wang@...-semitech.com>,
Jiang Yutang <yutang2.jiang@...-semitech.com>
Subject: Re: [PATCH v3] ACPI / tables: Add IORT to injectable table list
On 2018/2/2 18:25, Yang Shunyong wrote:
> Loading IORT table from initrd is used to fix firmware IORT defects.
I don't think this fix "firmware defects", it just for debug purpose,
we will not use that for production purpose, right? I think above line
can be removed.
> Moreover, it is very useful to debug SMMU node/device probe, MSI
> allocation, stream id translation and IORT table from firmware. It
> is also very useful to enable SMMU and devices behind SMMU before
> firmware is ready.
>
> This patch adds ACPI_SIG_IORT to the table, which enables IORT
> from initrd to override which from firmware.
>
> Signed-off-by: Yang Shunyong <shunyong.yang@...-semitech.com>
> Cc: Joey Zheng <yu.zheng@...-semitech.com>
> Cc: Wang Dongsheng <dongsheng.wang@...-semitech.com>
> Cc: Jiang Yutang <yutang2.jiang@...-semitech.com>
> Cc: Hanjun Guo <guohanjun@...wei.com>
With that updated,
Acked-by: Hanjun Guo <hanjun.guo@...aro.org>
Thanks
Hanjun
Powered by blists - more mailing lists