linux-kernel - Re: [PATCH 4/5] ARM: Add basic support for EcoNet EN7523 SoC

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Message-ID: <1e3070fe-b5da-0acc-f50b-b0986a1045cd@biot.com>
Date:   Wed, 4 Aug 2021 18:43:32 +0200
From:   Bert Vermeulen <bert@...t.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Russell King <linux@...linux.org.uk>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        John Crispin <john@...ozen.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        YiFei Zhu <yifeifz2@...inois.edu>,
        Mike Rapoport <rppt@...nel.org>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Felix Fietkau <nbd@....name>
Subject: Re: [PATCH 4/5] ARM: Add basic support for EcoNet EN7523 SoC

On 7/30/21 4:48 PM, Arnd Bergmann wrote:
> On Fri, Jul 30, 2021 at 3:45 PM Bert Vermeulen <bert@...t.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@...t.com