Re: [GIT PULL] SPI updates for v6.8

From: Klaus Kudielka <klaus.kudielka@gmail.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [GIT PULL] SPI updates for v6.8
Date: Mon, 22 Jan 2024 19:57:01 +0100	[thread overview]
Message-ID: <65a86432e076d98ca5dfbc24ba8a08bcbd48071c.camel@gmail.com> (raw)
In-Reply-To: <a3b7790b-ce5b-407f-8089-a18c52aa7a1e@sirena.org.uk>

On Mon, 2024-01-22 at 18:38 +0000, Mark Brown wrote:
> On Mon, Jan 22, 2024 at 07:30:09PM +0100, Klaus Kudielka wrote:
> > On Sun, 2024-01-07 at 22:38 +0000, Mark Brown wrote:
> 
> > I just booted 6.8.0-rc1 on Turris Omnia (CONFIG_SPI_ORION=y,
> > device tree: arch/arm/boot/dts/marvell/armada-385-turris-omnia.dts)
> 
> > and got the following error:
> > 
> > [    0.090231] spi_master spi0: No. of CS is more than max. no. of supported CS
> > [    0.097358] spi_master spi0: Failed to create SPI device for /soc/spi@10600/flash@0
> > 
> > End result: the three MTD partitions I used to have on the SPI-NOR are gone.
> 
> Actualy looking at the DT it's not immediately obvious why this is
> triggering - there's only one chip select in use, numbered 0 AFAICT.
> Anyway, if you could test the patch I linked hopefully it does fix the
> issue.

I wouldn't have an explanation either. But said patch, applied on top of 6.8.0-rc1,
seems to be a possible cure. Everything nominal again, AFAICT.

[    0.191427] 3 fixed-partitions partitions found on MTD device spi0.0
[    0.191440] Creating 3 MTD partitions on "spi0.0":
[    0.191446] 0x000000000000-0x0000000f0000 : "U-Boot"
[    0.191656] 0x000000100000-0x000000800000 : "Rescue system"
[    0.191796] 0x0000000f0000-0x000000100000 : "u-boot-env"

Thanks, Klaus