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Message-ID: <e3aa72af-c824-4b71-a99d-c0b9294bfd8a@kernel.org>
Date: Tue, 28 May 2024 08:53:26 +0200
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Subject: Re: [PATCH] memory: fsl_ifc: Make FSL_IFC config visible and
 selectable
To: Esben Haabendal <esben@geanix.com>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,
 Pratyush Yadav <pratyush@kernel.org>, Michael Walle <mwalle@kernel.org>,
 linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org
References: <20240523-fsl-ifc-config-v1-1-6eff73bdc7e6@geanix.com>
 <979fd913-050b-445d-9ca8-0ec6906ce3ea@kernel.org> <87cypc38gu.fsf@geanix.com>
 <9a7f73f4-f5dc-4342-855b-08df6a839bb5@kernel.org> <87le3zoatn.fsf@geanix.com>
 <6c166ad5-8004-4bc4-9107-a47ba9a72161@kernel.org> <87ttijaglp.fsf@geanix.com>
 <c045f1a4-9ddf-4c53-a69b-22ceb68a1ce8@kernel.org> <87msobaes6.fsf@geanix.com>
 <87ikyzae7v.fsf@geanix.com>
From: Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <87ikyzae7v.fsf@geanix.com>
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On 27/05/2024 09:47, Esben Haabendal wrote:
> 
> Ok, I seem to still be confused as to what you want from me. If you are
> saying that the kernel is not supposed to care about out-of-tree DTS
> (and thereby any bootloader provided DTB), I would like to bring your
> attention to arch/arm/boot/dts/nxp/ls/ls1021a-twr.dts in upstream:
> 
> &ifc {
>         #address-cells = <2>;
>         #size-cells = <1>;
>         /* NOR Flash on board */
>         ranges = <0x0 0x0 0x0 0x60000000 0x08000000>;
>         status = "okay";
> 
>         nor@0,0 {
>                 #address-cells = <1>;
>                 #size-cells = <1>;
>                 compatible = "cfi-flash";
>                 reg = <0x0 0x0 0x8000000>;
>                 big-endian;
>                 bank-width = <2>;
>                 device-width = <1>;
>         };
> };
> 

I don't understand why it took so many emails to answer that (my first)
question... Sounds good, however you did not update the existing select.
Drivers are not supposed to select user-visible symbols (leads to
issues), so you need to change it to depends and update defconfigs.


Best regards,
Krzysztof