linux-kernel - Re: [PATCH v2 2/2] ARM: dts: exynos: add mmc aliases

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Date:   Thu, 9 Feb 2023 19:07:01 +0100
From:   Henrik Grimler <henrik@...mler.se>
To:     David Virag <virag.david003@...il.com>, robh+dt@...nel.org
Cc:     krzysztof.kozlowski+dt@...aro.org, alim.akhtar@...sung.com,
        m.szyprowski@...sung.com, jenneron@...tonmail.com,
        markuss.broks@...il.com, martin.juecker@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Valentine Iourine <iourine@...rine.msk.su>
Subject: Re: [PATCH v2 2/2] ARM: dts: exynos: add mmc aliases

Hi,

On Thu, Feb 09, 2023 at 04:22:48PM +0100, David Virag wrote:
> On Thu, 2023-02-09 at 09:06 -0600, Rob Herring wrote:
> > On Sat, Jan 28, 2023 at 7:32 AM Henrik Grimler <henrik@...mler.se>
> > wrote:
> > > 
> > > Add aliases for eMMC, SD card and WiFi where applicable, so that
> > > assigned mmcblk numbers are always the same.
> > 
> > What does WiFi have to do with mmcblk?
> 
> Some devices use SDIO WiFi, which is usually on mmc_1.
> An example of this that I could find is in exynos5250-spring.dts.

Maybe message can be written more clearly: WiFi will not have an
assigned _mmcblk_ number, but its number in for example
/sys/class/mmc_host/ will depend on the alias.

I will re-write for next version, thanks.

Best regards,
Henrik Grimler