Re: [PATCH 2/2] linux-omap4: fix break caused by the new binutils

[Khem Raj <raj.khem@gmail.com>]

2011/1/24 Víctor Manuel Jáquez Leal <vjaquez@igalia.com>:
> According to this discussion [1], a couple patches where required by the
> kernel using the latest binutils (2.21).
>
> This patch add those patches, which were posted in the Ubuntu's kernel
> repository.
>
> 1. http://comments.gmane.org/gmane.comp.handhelds.openembedded/40650
>
> Signed-off-by: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>

Acked-by: Khem Raj <raj.khem@gmail.com>

> ---
>  ...TU-Config-Fix-FTBS-caused-by-new-binutils.patch |   38 ++++++++++++++++++++
>  ...0002-Add-AFLAGS-for-sleep44xx-to-fix-FTBS.patch |   26 +++++++++++++
>  recipes/linux/linux-omap4_2.6.35.3.bb              |    2 +
>  3 files changed, 66 insertions(+), 0 deletions(-)
>  create mode 100644 recipes/linux/linux-omap4/0001-UBUNTU-Config-Fix-FTBS-caused-by-new-binutils.patch
>  create mode 100644 recipes/linux/linux-omap4/0002-Add-AFLAGS-for-sleep44xx-to-fix-FTBS.patch
>
> diff --git a/recipes/linux/linux-omap4/0001-UBUNTU-Config-Fix-FTBS-caused-by-new-binutils.patch b/recipes/linux/linux-omap4/0001-UBUNTU-Config-Fix-FTBS-caused-by-new-binutils.patch
> new file mode 100644
> index 0000000..e83a3e2
> --- /dev/null
> +++ b/recipes/linux/linux-omap4/0001-UBUNTU-Config-Fix-FTBS-caused-by-new-binutils.patch
> @@ -0,0 +1,38 @@
> +From 7699704e011db864c56f333bce9936a36522fb79 Mon Sep 17 00:00:00 2001
> +From: Tim Gardner <tim.gardner@canonical.com>
> +Date: Thu, 9 Dec 2010 08:16:52 -0700
> +Subject: [PATCH 1/2] UBUNTU: [Config] Fix FTBS caused by new binutils
> +
> +New assemblers need -march=armv7-a+sec on command line or
> +.arch_extension sec inline to enable use of the smc instruction.
> +
> +This patch uses as-instr to check the latter to conditionally
> +enable the former in AFLAGS for files that use smc.
> +
> +Checked on both old and new binutils to verify that it does
> +not break old versions.
> +
> +Signed-off-by: John Rigby <john.rigby@linaro.org>
> +Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
> +---
> + arch/arm/mach-omap2/Makefile |    4 +++-
> + 1 files changed, 3 insertions(+), 1 deletions(-)
> +
> +diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
> +index 75251b4..0241b4d 100644
> +--- a/arch/arm/mach-omap2/Makefile
> ++++ b/arch/arm/mach-omap2/Makefile
> +@@ -29,7 +29,9 @@ obj-$(CONFIG_HOTPLUG_CPU)            += omap-hotplug.o
> + obj-$(CONFIG_ARCH_OMAP4)              += omap44xx-smc.o omap4-common.o \
> +                                          omap4-wakeupgen.o
> +
> +-AFLAGS_omap44xx-smc.o                 :=-Wa,-march=armv7-a
> ++plus_sec := $(call as-instr,.arch_extension sec,+sec)
> ++AFLAGS_omap-headsmp.o                  :=-Wa,-march=armv7-a$(plus_sec)
> ++AFLAGS_omap44xx-smc.o                  :=-Wa,-march=armv7-a$(plus_sec)
> +
> + # Functions loaded to SRAM
> + obj-$(CONFIG_ARCH_OMAP2420)           += sram242x.o
> +--
> +1.7.0.2
> +
> diff --git a/recipes/linux/linux-omap4/0002-Add-AFLAGS-for-sleep44xx-to-fix-FTBS.patch b/recipes/linux/linux-omap4/0002-Add-AFLAGS-for-sleep44xx-to-fix-FTBS.patch
> new file mode 100644
> index 0000000..ea16ab1
> --- /dev/null
> +++ b/recipes/linux/linux-omap4/0002-Add-AFLAGS-for-sleep44xx-to-fix-FTBS.patch
> @@ -0,0 +1,26 @@
> +From da58d36fb6b13899249bf1efbf25f7385d048bb3 Mon Sep 17 00:00:00 2001
> +From: Tim Gardner <tim.gardner@canonical.com>
> +Date: Tue, 14 Dec 2010 06:56:34 -0700
> +Subject: [PATCH 2/2] Add AFLAGS for sleep44xx to fix FTBS
> +
> +Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
> +---
> + arch/arm/mach-omap2/Makefile |    2 ++
> + 1 files changed, 2 insertions(+), 0 deletions(-)
> +
> +diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
> +index 0241b4d..865a3e2 100644
> +--- a/arch/arm/mach-omap2/Makefile
> ++++ b/arch/arm/mach-omap2/Makefile
> +@@ -59,6 +59,8 @@ obj-$(CONFIG_ARCH_OMAP4)             += pm44xx.o pm_bus.o cpuidle44xx.o \
> +                                          omap4-mpuss-lowpower.o sleep44xx.o \
> +                                          voltage.o opp44xx_data.o
> +
> ++AFLAGS_sleep44xx.o                  :=-Wa,-march=armv7-a$(plus_sec)
> ++
> + obj-$(CONFIG_PM_DEBUG)                        += pm-debug.o
> + obj-$(CONFIG_OMAP_SMARTREFLEX)          += sr_device.o smartreflex.o
> + obj-$(CONFIG_OMAP_SMARTREFLEX_CLASS3) += smartreflex-class3.o
> +--
> +1.7.0.2
> +
> diff --git a/recipes/linux/linux-omap4_2.6.35.3.bb b/recipes/linux/linux-omap4_2.6.35.3.bb
> index 4db0b28..f5a11f4 100644
> --- a/recipes/linux/linux-omap4_2.6.35.3.bb
> +++ b/recipes/linux/linux-omap4_2.6.35.3.bb
> @@ -15,6 +15,8 @@ SRC_URI = "git://dev.omapzoom.org/pub/scm/integration/kernel-ubuntu.git;protocol
>            file://0006-ARM-Add-option-to-allow-userspace-access-to-performa.patch \
>            file://0007-OMAP4-do-not-force-select-options-which-are-not-requ.patch \
>            file://0008-omap4-pandaboard-add-support-for-DVI-output.patch \
> +          file://0001-UBUNTU-Config-Fix-FTBS-caused-by-new-binutils.patch \
> +          file://0002-Add-AFLAGS-for-sleep44xx-to-fix-FTBS.patch \
>            file://defconfig"
>
>  S = "${WORKDIR}/git"
> --
> 1.7.0.2
>
>
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