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Date: Sat, 6 Feb 2016 11:54:24 +0800 From: Lv Zheng <lv.zheng@...el.com> To: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Len Brown <len.brown@...el.com> Cc: Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>, <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org Subject: [PATCH 13/14] ACPI 2.0 / AML: Enable correct ACPI subsystem initialization order for new table loading mode This patch enables the following initialization order for the new table loading mode (which is enabled by setting acpi_gbl_parse_table_as_term_list to TRUE): 1. Install default region handlers (SystemMemory, SystemIo, PciConfig, EmbeddedControl via ECDT) without evaluating _REG; 2. Load the table and execute the module level AML opcodes instantly. Signed-off-by: Lv Zheng <lv.zheng@...el.com> --- drivers/acpi/bus.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 8752860..0d6bb22 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -911,7 +911,8 @@ void __init acpi_early_init(void) goto error0; } - if (acpi_gbl_group_module_level_code) { + if (!acpi_gbl_parse_table_as_term_list && + acpi_gbl_group_module_level_code) { status = acpi_load_tables(); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX @@ -994,7 +995,8 @@ static int __init acpi_bus_init(void) status = acpi_ec_ecdt_probe(); /* Ignore result. Not having an ECDT is not fatal. */ - if (!acpi_gbl_group_module_level_code) { + if (acpi_gbl_parse_table_as_term_list || + !acpi_gbl_group_module_level_code) { status = acpi_load_tables(); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX -- 1.7.10
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