linux-kernel - Re: [PATCH] spi: make spi_bus

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Message-ID: <50ecc7bb-50ac-4846-8a6e-fad9148c948f@sirena.org.uk>
Date: Fri, 5 Jan 2024 15:45:37 +0000
From: Mark Brown <broonie@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH] spi: make spi_bus_type const

On Fri, Jan 05, 2024 at 04:05:18PM +0100, Greg Kroah-Hartman wrote:
> On Fri, Jan 05, 2024 at 02:55:01PM +0000, Mark Brown wrote:

> > Whatever makes the driver core able to handle this doesn't seem to be in
> > mainline yet - what's the story there?

> Odd, what errors are you seeing when you build?  I have had to fix up a
> few subsys_* calls for this type of thing, but I don't see spi_bus_type
> being used in those that I saw in my local tree.  Did I miss something
> else?

> Maybe just wait for after 6.8-rc1, it builds properly here locally :)

It's this on an x86 allmodconfig:

/build/stage/linux/sound/soc/rockchip/rk3399_gru_sound.c:471:29: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
  471 |                 .bus_type = &spi_bus_type,
      |                             ^
cc1: all warnings being treated as errors

so not actually a core thing, I have to confess I didn't notice where
the assignment was when I glanced at the errors.

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