RE: [EXT] Re: [PATCH V2 1/4] spi: lpspi: Fix kernel warning dump when probe fail after calling spi_register

2020-07-30 Thread Clark Wang
> -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

Re: [PATCH V2 1/4] spi: lpspi: Fix kernel warning dump when probe fail after calling spi_register

2020-07-27 Thread Mark Brown
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. > > [

[PATCH V2 1/4] spi: lpspi: Fix kernel warning dump when probe fail after calling spi_register

2020-07-26 Thread Clark Wang
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