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[ Upstream commit78e4d34218] hisi_spi_nor_probe() invokes clk_disable_unprepare() on all paths after successful call of clk_prepare_enable(). Besides, the clock is enabled by hispi_spi_nor_prep() and disabled by hispi_spi_nor_unprep(). So at remove time it is not possible to have the clock enabled. The patch removes excessive clk_disable_unprepare() from hisi_spi_nor_remove(). Found by Linux Driver Verification project (linuxtesting.org). Fixes:e523f11141("mtd: spi-nor: add hisilicon spi-nor flash controller driver") Signed-off-by: Evgeny Novikov <novikov@ispras.ru> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Pratyush Yadav <p.yadav@ti.com> Link: https://lore.kernel.org/r/20210709144529.31379-1-novikov@ispras.ru Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.