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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 DEC11C2BBFD for ; Sat, 11 Apr 2020 23:16:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8D0E2084D for ; Sat, 11 Apr 2020 23:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646960; bh=f0D8Z+oY5ZaJcH142sE8tndQi1zjD0s6/4uhzoQGVbo=; h=From:To:Cc:Subject:Date:List-ID:From; b=Uxv1qxP5YSdULjGz7XT5iMtQMlgTz0egwPgxafgAVeQM/qILOwOuYBg3w7COW45c4 uxM8gpHaKhLVhzh41rW8+HmFVok85LhwW7O2Q6fKAeLL1T0TI/YpizxnFFe62OaUWB m2R0QFF56bhBFkEV4BHyH+J6FjvH4Xt9bcDjbZks= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730892AbgDKXOy (ORCPT ); Sat, 11 Apr 2020 19:14:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:56798 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730878AbgDKXOt (ORCPT ); Sat, 11 Apr 2020 19:14:49 -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 1942120787; Sat, 11 Apr 2020 23:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646888; bh=f0D8Z+oY5ZaJcH142sE8tndQi1zjD0s6/4uhzoQGVbo=; h=From:To:Cc:Subject:Date:From; b=zY0O8vIOCqiaI7lJC4PI5l2J9ki79s6Xo8/9DR3Hv0ef6/lnN5o+1VR07FKRJ1iwX LpVgE2EOfyJg4N634J/HznU1TZcyl7u0WSxFpYV0o0M8dJrPw+NPaTn5Rw12rZ15le D1L5UAekgUAm91IQs7AkuGfNNYR24yK+9e2iOz0w= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Masahiro Yamada , Geert Uytterhoeven , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 01/16] net: wan: wanxl: use allow to pass CROSS_COMPILE_M68k for rebuilding firmware Date: Sat, 11 Apr 2020 19:14:31 -0400 Message-Id: <20200411231447.27182-1-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Masahiro Yamada [ Upstream commit 63b903dfebdea92aa92ad337d8451a6fbfeabf9d ] As far as I understood from the Kconfig help text, this build rule is used to rebuild the driver firmware, which runs on an old m68k-based chip. So, you need m68k tools for the firmware rebuild. wanxl.c is a PCI driver, but CONFIG_M68K does not select CONFIG_HAVE_PCI. So, you cannot enable CONFIG_WANXL_BUILD_FIRMWARE for ARCH=m68k. In other words, ifeq ($(ARCH),m68k) is false here. I am keeping the dead code for now, but rebuilding the firmware requires 'as68k' and 'ld68k', which I do not have in hand. Instead, the kernel.org m68k GCC [1] successfully built it. Allowing a user to pass in CROSS_COMPILE_M68K= is handier. [1] https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/9.2.0/x86_64-gcc-9.2.0-nolibc-m68k-linux.tar.xz Suggested-by: Geert Uytterhoeven Signed-off-by: Masahiro Yamada Signed-off-by: Sasha Levin --- drivers/net/wan/Kconfig | 2 +- drivers/net/wan/Makefile | 12 ++++++------ 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig index a2fdd15f285a2..10e53d52b3ed0 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -199,7 +199,7 @@ config WANXL_BUILD_FIRMWARE depends on WANXL && !PREVENT_FIRMWARE_BUILD help Allows you to rebuild firmware run by the QUICC processor. - It requires as68k, ld68k and hexdump programs. + It requires m68k toolchains and hexdump programs. You should never need this option, say N. diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile index c135ef47cbcae..77b8855f26c92 100644 --- a/drivers/net/wan/Makefile +++ b/drivers/net/wan/Makefile @@ -38,17 +38,17 @@ $(obj)/wanxl.o: $(obj)/wanxlfw.inc ifeq ($(CONFIG_WANXL_BUILD_FIRMWARE),y) ifeq ($(ARCH),m68k) - AS68K = $(AS) - LD68K = $(LD) + M68KAS = $(AS) + M68KLD = $(LD) else - AS68K = as68k - LD68K = ld68k + M68KAS = $(CROSS_COMPILE_M68K)as + M68KLD = $(CROSS_COMPILE_M68K)ld endif quiet_cmd_build_wanxlfw = BLD FW $@ cmd_build_wanxlfw = \ - $(CPP) -D__ASSEMBLY__ -Wp,-MD,$(depfile) -I$(srctree)/include/uapi $< | $(AS68K) -m68360 -o $(obj)/wanxlfw.o; \ - $(LD68K) --oformat binary -Ttext 0x1000 $(obj)/wanxlfw.o -o $(obj)/wanxlfw.bin; \ + $(CPP) -D__ASSEMBLY__ -Wp,-MD,$(depfile) -I$(srctree)/include/uapi $< | $(M68KAS) -m68360 -o $(obj)/wanxlfw.o; \ + $(M68KLD) --oformat binary -Ttext 0x1000 $(obj)/wanxlfw.o -o $(obj)/wanxlfw.bin; \ hexdump -ve '"\n" 16/1 "0x%02X,"' $(obj)/wanxlfw.bin | sed 's/0x ,//g;1s/^/static const u8 firmware[]={/;$$s/,$$/\n};\n/' >$(obj)/wanxlfw.inc; \ rm -f $(obj)/wanxlfw.bin $(obj)/wanxlfw.o -- 2.20.1