linux-kernel - Re: [PATCH 3/3] nvmem: mtk-efuse: Drop NVMEM device name

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Message-ID: <CAGXv+5Ej1cEiNegMEf9GOMYTiabiBU1DpfC7QkQAsHEjuNPCxA@mail.gmail.com>
Date: Tue, 13 Feb 2024 22:13:17 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
	William-tw Lin <william-tw.lin@...iatek.com>
Subject: Re: [PATCH 3/3] nvmem: mtk-efuse: Drop NVMEM device name

On Tue, Feb 13, 2024 at 9:07 PM Srinivas Kandagatla
<srinivas.kandagatla@...aro.org> wrote:
>
>
>
> On 30/01/2024 09:56, Chen-Yu Tsai wrote:
> > The MT8183 has not one but two efuse devices. The static name and ID
> > causes the second efuse device to fail to probe, due to duplicate sysfs
> > entries.
>
> have you considered using NVMEM_DEVID_AUTO?

Yes, that was considered and what is actually implemented downstream.

However, since the reason for using a custom name no longer exists, it
seems simpler to just revert to the previous behavior, which is to let
the nvmem core deal with naming.


ChenYu

> --srini
> >
> > With the rework of the mtk-socinfo driver, lookup by name is no longer
> > necessary. The custom name can simply be dropped.
> >
> > Fixes: 4e6102d60d88 ("nvmem: mtk-efuse: Register MediaTek socinfo driver from efuse")
> > Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
> > ---
> >   drivers/nvmem/mtk-efuse.c | 1 -
> >   1 file changed, 1 deletion(-)
> >
> > diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
> > index f5bebcecf9bd..9caf04667341 100644
> > --- a/drivers/nvmem/mtk-efuse.c
> > +++ b/drivers/nvmem/mtk-efuse.c
> > @@ -86,7 +86,6 @@ static int mtk_efuse_probe(struct platform_device *pdev)
> >       econfig.size = resource_size(res);
> >       econfig.priv = priv;
> >       econfig.dev = dev;
> > -     econfig.name = "mtk-efuse";
> >       if (pdata->uses_post_processing)
> >               econfig.fixup_dt_cell_info = &mtk_efuse_fixup_dt_cell_info;
> >       nvmem = devm_nvmem_register(dev, &econfig);