linux-kernel - Re: [PATCH] ARM: bcm: Fix support for BCM2711 SoC which breaks other ARM platforms

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Date:   Sat, 14 Dec 2019 22:09:48 +0100
From:   Stefan Wahren <wahrenst@....net>
To:     "H. Nikolaus Schaller" <hns@...delico.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     letux-kernel@...nphoenux.org, Tony Lindgren <tony@...mide.com>,
        linux@...linux.org.uk,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-rpi-kernel@...ts.infradead.org, kernel@...a-handheld.com,
        Linux-OMAP <linux-omap@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: bcm: Fix support for BCM2711 SoC which breaks other
 ARM platforms

Hi Nikolaus,

Am 14.12.19 um 21:03 schrieb H. Nikolaus Schaller:
> commit 781fa0a95424 ("ARM: bcm: Add support for BCM2711 SoC")
>
> breaks boot of many other platforms (e.g. OMAP or i.MX6) if
> CONFIG_ARCH_BCM2835 is enabled in addition to some multiplatform
> config (e.g. omap2plus_defconfig). The symptom is that the OMAP
> based board does not show any activity beyond "Starting Kernel ..."
> even with earlycon.
>
> Reverting the mentioned commit makes it work again.
>
> The real fix is to add the missing NULL sentinel to the
> bcm2711_compat[] variable-length array.
>
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>

could you please add a Fixes tag. Apart from that

Acked-by: Stefan Wahren <wahrenst@....net>

Thank you
Stefan

> ---
>  arch/arm/mach-bcm/bcm2711.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-bcm/bcm2711.c b/arch/arm/mach-bcm/bcm2711.c
> index dbe296798647..fa0300d8c79d 100644
> --- a/arch/arm/mach-bcm/bcm2711.c
> +++ b/arch/arm/mach-bcm/bcm2711.c
> @@ -13,6 +13,7 @@ static const char * const bcm2711_compat[] = {
>  #ifdef CONFIG_ARCH_MULTI_V7
>  	"brcm,bcm2711",
>  #endif
> +	NULL
>  };
>
>  DT_MACHINE_START(BCM2711, "BCM2711")