From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3947C433FF for ; Fri, 2 Aug 2019 13:24:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 98D85217D4 for ; Fri, 2 Aug 2019 13:24:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564752283; bh=U1T719pxBFavE47aqfrtOyDKu+wqDEOi91URDw+I9Xc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hgJow3U4J4H0OchQ6DihGtVGzhDXIrDxi59OhhrgEP/qUkW4+cOrmF417b/mJy0SL T9FSbBEg1UY0JJbsYsvw4uiCVWvOG1yy1DdsRrCaCrMptbi2LYKgOCtDi41nuOWl2N zTE5QK9CK1NYTsbTe8LREdK7uuVc+r34PcutVmKY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391174AbfHBNYl (ORCPT ); Fri, 2 Aug 2019 09:24:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:35388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387722AbfHBNYj (ORCPT ); Fri, 2 Aug 2019 09:24:39 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 316FD20644; Fri, 2 Aug 2019 13:24:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564752278; bh=U1T719pxBFavE47aqfrtOyDKu+wqDEOi91URDw+I9Xc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cf1CebWWkdtMKmUkaW1MdogevWCQOZ5zkCBAgFEwRfL81Xb9AeNZZF+QANhOods+J hWAk1EOu68jqo53tzfYE2iSPeJ7uA19egnzbGqwFaphxZc41PDg2BDgTLp1rf3Vh06 NbYJk+e7xfAXAhmtusYKc3DDws4NrF/r7k5LX2hw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Thomas Tai , Konrad Rzeszutek Wilk , Sasha Levin Subject: [PATCH AUTOSEL 4.14 06/30] iscsi_ibft: make ISCSI_IBFT dependson ACPI instead of ISCSI_IBFT_FIND Date: Fri, 2 Aug 2019 09:23:58 -0400 Message-Id: <20190802132422.13963-6-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190802132422.13963-1-sashal@kernel.org> References: <20190802132422.13963-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Tai [ Upstream commit 94bccc34071094c165c79b515d21b63c78f7e968 ] iscsi_ibft can use ACPI to find the iBFT entry during bootup, currently, ISCSI_IBFT depends on ISCSI_IBFT_FIND which is a X86 legacy way to find the iBFT by searching through the low memory. This patch changes the dependency so that other arch like ARM64 can use ISCSI_IBFT as long as the arch supports ACPI. ibft_init() needs to use the global variable ibft_addr declared in iscsi_ibft_find.c. A #ifndef CONFIG_ISCSI_IBFT_FIND is needed to declare the variable if CONFIG_ISCSI_IBFT_FIND is not selected. Moving ibft_addr into the iscsi_ibft.c does not work because if ISCSI_IBFT is selected as a module, the arch/x86/kernel/setup.c won't be able to find the variable at compile time. Signed-off-by: Thomas Tai Signed-off-by: Konrad Rzeszutek Wilk Signed-off-by: Sasha Levin --- drivers/firmware/Kconfig | 5 +++-- drivers/firmware/iscsi_ibft.c | 4 ++++ 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index 6e4ed5a9c6fdc..42c4ff75281be 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -156,7 +156,7 @@ config DMI_SCAN_MACHINE_NON_EFI_FALLBACK config ISCSI_IBFT_FIND bool "iSCSI Boot Firmware Table Attributes" - depends on X86 && ACPI + depends on X86 && ISCSI_IBFT default n help This option enables the kernel to find the region of memory @@ -167,7 +167,8 @@ config ISCSI_IBFT_FIND config ISCSI_IBFT tristate "iSCSI Boot Firmware Table Attributes module" select ISCSI_BOOT_SYSFS - depends on ISCSI_IBFT_FIND && SCSI && SCSI_LOWLEVEL + select ISCSI_IBFT_FIND if X86 + depends on ACPI && SCSI && SCSI_LOWLEVEL default n help This option enables support for detection and exposing of iSCSI diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index 132b9bae4b6aa..220bbc91cebdb 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -93,6 +93,10 @@ MODULE_DESCRIPTION("sysfs interface to BIOS iBFT information"); MODULE_LICENSE("GPL"); MODULE_VERSION(IBFT_ISCSI_VERSION); +#ifndef CONFIG_ISCSI_IBFT_FIND +struct acpi_table_ibft *ibft_addr; +#endif + struct ibft_hdr { u8 id; u8 version; -- 2.20.1