From patchwork Thu Mar 26 05:57:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 1261786 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.a=rsa-sha256 header.s=dec2015msa header.b=F+31nJQ4; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48nvRp23y9z9sSM for ; Thu, 26 Mar 2020 16:58:30 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727722AbgCZF62 (ORCPT ); Thu, 26 Mar 2020 01:58:28 -0400 Received: from conuserg-10.nifty.com ([210.131.2.77]:47768 "EHLO conuserg-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727575AbgCZF61 (ORCPT ); Thu, 26 Mar 2020 01:58:27 -0400 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-10.nifty.com with ESMTP id 02Q5ve94008573; Thu, 26 Mar 2020 14:57:40 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com 02Q5ve94008573 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1585202260; bh=dX+mdRt8kcID48UqORTUMY5bdsGeWZDwRFh1lk4J+OY=; h=From:To:Cc:Subject:Date:From; b=F+31nJQ4Cgf4gt9L3lAD0yTyZM6taU0HcwCkPUB81lu7qxiTtqk/tHtzkh/wAtjZ4 CF28DzVLBwEyskREvoR6rtnBx8mXTZBWq+C9GQPOET0lsVnrdIJzYYc7Mwy+J3+vPo sAe7ySOYigImr3dYkXpLC7r2oa/fL48HjVwRCcUpTzCz38C5MBUGNEXpnrPl3LwCC/ wL+xhmfmA5VZEaIah5/GJP6AKqawr2QSCcnmWc7MOcELsG4uxWzU6MWRniddWyukwu X8J5qiPn7XDM2rl5fMOAHkZSs1ow+LvVLFtQl7+EVuosUu0MJqcGIPwcOFq9Xax6en epHo20x8scgLw== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: clang-built-linux@googlegroups.com, Geert Uytterhoeven , Masahiro Yamada , "David S. Miller" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 1/4] net: wan: wanxl: use allow to pass CROSS_COMPILE_M68k for rebuilding firmware Date: Thu, 26 Mar 2020 14:57:15 +0900 Message-Id: <20200326055719.16755-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.17.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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 --- Changes in v2: - New patch 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 4530840e15ef..dbc0e3f7a3e2 100644 --- a/drivers/net/wan/Kconfig +++ b/drivers/net/wan/Kconfig @@ -200,7 +200,7 @@ 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 701f5d2fe3b6..995277c657a1 100644 --- a/drivers/net/wan/Makefile +++ b/drivers/net/wan/Makefile @@ -40,17 +40,17 @@ $(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