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From: Daniel Thompson <>
To: Mark Brown <>
Cc: Lee Jones <>,
	Jingoo Han <>,,
Subject: Re: [PATCH] backlight: hx8357: Add SPI device ID table
Date: Mon, 27 Sep 2021 14:24:17 +0100	[thread overview]
Message-ID: <20210927132417.lixg3ojhnwlleht3@maple.lan> (raw)
In-Reply-To: <>

On Mon, Sep 27, 2021 at 12:47:27PM +0100, Mark Brown wrote:
> On Mon, Sep 27, 2021 at 10:42:00AM +0100, Daniel Thompson wrote:
> > Based on this I had expected to find spi_get_device_id() and a ->driver_data
> > somewhere in this patch.
> > Where will this .driver_data be consumed? 
> It will never be consumed unless someone writes a board file - the
> runtime match will still happen based on the DT compatible, this is only
> there for the modalias.

Ok... so I'm not going mad.

In that case what is the point of including unconsumed driver data? Most
DT centric drivers that included this for modalias reasons leave it

I reviewed quite a few drivers this morning and I haven't seen a single
one that includes unreachable driver data in this manner. Unless there's
a good reason I'd prefer backlight to follow the prior art!


  reply	other threads:[~2021-09-27 13:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-22 15:10 [PATCH] backlight: hx8357: Add SPI device ID table Mark Brown
2021-09-27  9:42 ` Daniel Thompson
2021-09-27 11:47   ` Mark Brown
2021-09-27 13:24     ` Daniel Thompson [this message]
2021-09-27 13:30       ` Mark Brown
2021-10-01 14:20         ` Daniel Thompson

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