From 208c70a45624400fafd7511b96bc426bf01f8f5e Mon Sep 17 00:00:00 2001 From: Alexey Starikovskiy Date: Thu, 14 Feb 2008 15:58:47 -0500 Subject: [PATCH] ACPI: EC: Use proper handle for boot EC Fall back to ACPI_ROOT_HANDLE only in case of error. ACPI: EC: EC description table is found, configuring boot EC ACPI Error (evregion-0316): No handler for Region [ECOR] (ffff81007a651620) [EmbeddedControl] [20070126] ACPI Error (exfldio-0289): Region EmbeddedControl(3) has no handler [20070126] http://bugzilla.kernel.org/show_bug.cgi?id=9916 Signed-off-by: Alexey Starikovskiy Signed-off-by: Len Brown --- drivers/acpi/ec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 7222a18a0319..caf873c14bfb 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -943,7 +943,11 @@ int __init acpi_ec_ecdt_probe(void) boot_ec->command_addr = ecdt_ptr->control.address; boot_ec->data_addr = ecdt_ptr->data.address; boot_ec->gpe = ecdt_ptr->gpe; - boot_ec->handle = ACPI_ROOT_OBJECT; + if (ACPI_FAILURE(acpi_get_handle(NULL, ecdt_ptr->id, + &boot_ec->handle))) { + pr_info("Failed to locate handle for boot EC\n"); + boot_ec->handle = ACPI_ROOT_OBJECT; + } } else { /* This workaround is needed only on some broken machines, * which require early EC, but fail to provide ECDT */ -- 2.20.1