> -Original Message-
> From: Mark Brown
> Sent: Monday, July 27, 2020 19:11
> To: Clark Wang
> Cc: linux-...@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: [EXT] Re: [PATCH V2 1/4] spi: lpspi: Fix kernel warning dump when
> probe fail after calling spi
On Mon, Jul 27, 2020 at 11:14:46AM +0800, Clark Wang wrote:
> Calling devm_spi_register_controller() too early will cause problem.
> When probe failed occurs after calling devm_spi_register_controller(),
> the call of spi_controller_put() will trigger the following warning dump.
>
> [
Calling devm_spi_register_controller() too early will cause problem.
When probe failed occurs after calling devm_spi_register_controller(),
the call of spi_controller_put() will trigger the following warning dump.
[2.092138] [ cut here ]
[2.096876] kernfs: can not
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