linux-kernel - Re: [PATCH v2] MIPS: Scan the DMI system information

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Date:   Mon, 18 Nov 2019 19:18:44 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Jean Delvare <jdelvare@...e.com>
Cc:     "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Yinglu Yang <yangyinglu@...ngson.cn>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Paul Burton <paulburton@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>
Subject: Re: [PATCH v2] MIPS: Scan the DMI system information



18.11.2019, 19:13, "Jiaxun Yang" <jiaxun.yang@...goat.com>:
> 11.11.2019, 21:30, "Tiezhu Yang" <yangtiezhu@...ngson.cn>:
>>  Enable DMI scanning on the MIPS architecture, this setups DMI identifiers
>>  (dmi_system_id) for printing it out on task dumps and prepares DIMM entry
>>  information (dmi_memdev_info) from the SMBIOS table. With this patch, the
>>  driver can easily match various of mainboards.
>>
>>  In the SMBIOS reference specification, the table anchor string "_SM_" is
>>  present in the address range 0xF0000 to 0xFFFFF on a 16-byte boundary,
>>  but there exists a special case for Loongson platform, when call function
>>  dmi_early_remap, it should specify the start address to 0xFFFE000 due to
>>  it is reserved for SMBIOS and can be normally access in the BIOS.
>>
>>  This patch works fine on the Loongson 3A3000 platform which belongs to
>>  MIPS architecture and has no influence on the other architectures such
>>  as x86 and ARM.
>>
>>  Co-developed-by: Yinglu Yang <yangyinglu@...ngson.cn>
>>  Signed-off-by: Yinglu Yang <yangyinglu@...ngson.cn>
>>  [jiaxun.yang@...goat.com: Refine definitions and Kconfig]
>>  Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
>>  Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
>>  ---
>
> Hi Jane,

Sorry Jean, apologize for my typo.

>
> Is it fine for you?
> If so please give a Ack.
>
> Thanks.
> --
> Jiaxun Yang