Messages in this thread | | | Date | Wed, 19 Jan 2022 16:29:50 +0100 | From | Lukas Wunner <> | Subject | Re: [PATCH v3] spi: stm32-qspi: Update spi registering |
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On Mon, Jan 17, 2022 at 01:17:44PM +0100, patrice.chotard@foss.st.com wrote: > Some device driver need to communicate to qspi device during the remove > process, qspi controller must be functional when spi_unregister_master() > is called. > > To ensure this, replace devm_spi_register_master() by spi_register_master() > and spi_unregister_master() is called directly in .remove callback before > stopping the qspi controller. > > This issue was put in evidence using kernel v5.11 and later > with a spi-nor which supports the software reset feature introduced > by commit d73ee7534cc5 ("mtd: spi-nor: core: perform a Soft Reset on > shutdown") > > Fixes: c530cd1d9d5e ("spi: spi-mem: add stm32 qspi controller") > > Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> > Cc: <stable@vger.kernel.org> # 5.8.x
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Thanks!
Lukas
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