linux-kernel - [PATCH] ACPI / tables: Add IORT to injectable table list

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Message-ID: <1516694778-14784-1-git-send-email-shunyong.yang@hxt-semitech.com>
Date:   Tue, 23 Jan 2018 16:06:18 +0800
From:   Yang Shunyong <shunyong.yang@...-semitech.com>
To:     <rjw@...ysocki.net>
CC:     <lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Yang Shunyong <shunyong.yang@...-semitech.com>,
        <yutang2.jiang@...-semitech.com>, <yu.zheng@...-semitech.com>
Subject: [PATCH] ACPI / tables: Add IORT to injectable table list

This patch adds ACPI_SIG_PPTT to the table, which enables IORT from
initrd to override which from firmware.

Signed-off-by: Yang Shunyong <shunyong.yang@...-semitech.com>
Cc: yutang2.jiang@...-semitech.com
Cc: yu.zheng@...-semitech.com
---
 drivers/acpi/tables.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 80ce2a7d224b..7bcb66ccccf3 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -456,7 +456,8 @@ static u8 __init acpi_table_checksum(u8 *buffer, u32 length)
 	ACPI_SIG_SLIC, ACPI_SIG_SPCR, ACPI_SIG_SPMI, ACPI_SIG_TCPA,
 	ACPI_SIG_UEFI, ACPI_SIG_WAET, ACPI_SIG_WDAT, ACPI_SIG_WDDT,
 	ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, ACPI_SIG_PSDT,
-	ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, NULL };
+	ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, ACPI_SIG_IORT,
+	NULL };
 
 #define ACPI_HEADER_SIZE sizeof(struct acpi_table_header)
 
-- 
1.8.3.1