linux-kernel - Re: [BUG] Rockchip SPI: Runtime PM usage count underflow!

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Message-ID: <d35a5c5216ee3d0321c725aea61e0326@manjaro.org>
Date: Sun, 18 Aug 2024 20:26:38 +0200
From: Dragan Simic <dsimic@...jaro.org>
To: Vicente Bergas <vicencb@...il.com>
Cc: "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
 linux-spi@...r.kernel.org, Mark Brown <broonie@...nel.org>, Heiko Stuebner
 <heiko@...ech.de>, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] Rockchip SPI: Runtime PM usage count underflow!

Hello Vincente,

On 2024-08-18 20:13, Vicente Bergas wrote:
> i am a user of the CONFIG_SPI_SPIDEV device.
> It stopped working between 6.8 and 6.10.5.
> The SPI bus itself reports no errors to userspace, but no devices
> appear connected to the bus.
> The platform used is RK3328.
> The only spi-related message in dmesg is:
> rockchip-spi ff190000.spi: Runtime PM usage count underflow!

I'm working on a related patch.  Could you, please, describe your
use case for the spidev driver, i.e. what board are you using it on,
and for what purpose?