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Subject: Re: [PATCH 4/5] ARM: Add basic support for EcoNet EN7523 SoC
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     DTML <devicetree@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Russell King <linux@armlinux.org.uk>,
        Linus Walleij <linus.walleij@linaro.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
        John Crispin <john@phrozen.org>,
        Ard Biesheuvel <ardb@kernel.org>,
        YiFei Zhu <yifeifz2@illinois.edu>,
        Mike Rapoport <rppt@kernel.org>,
        =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= <u.kleine-koenig@pengutronix.de>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Kees Cook <keescook@chromium.org>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Felix Fietkau <nbd@nbd.name>
References: <20210730134552.853350-1-bert@biot.com>
 <20210730134552.853350-5-bert@biot.com>
 <CAK8P3a3OuJ3pMSdEA4Rt3aWvvuX2+_Bg5x7-kZ1++fvvJvgGxA@mail.gmail.com>
From:   Bert Vermeulen <bert@biot.com>
Message-ID: <1e3070fe-b5da-0acc-f50b-b0986a1045cd@biot.com>
Date:   Wed, 4 Aug 2021 18:43:32 +0200
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On 7/30/21 4:48 PM, Arnd Bergmann wrote:
> On Fri, Jul 30, 2021 at 3:45 PM Bert Vermeulen <bert@biot.com> wrote:
>> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
>> index 173da685a52e..1bff0aa29c07 100644
>> --- a/arch/arm/Makefile
>> +++ b/arch/arm/Makefile
>> @@ -152,6 +152,7 @@ textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
>>  textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
>>  textofs-$(CONFIG_ARCH_MESON) := 0x00208000
>>  textofs-$(CONFIG_ARCH_AXXIA) := 0x00308000
>> +textofs-$(CONFIG_ARCH_ECONET) := 0x00088000
> 
> Why is this needed?
> 
> Note also the comment directly above it exlaining
> # Text offset. This list is sorted numerically by address in order to
> # provide a means to avoid/resolve conflicts in multi-arch kernels.

I didn't make that patch, but it turns out it's needed to get PSCI working; 
detection hangs without it. That makes no sense to me, but I'll examine further.


-- 
Bert Vermeulen
bert@biot.com