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e6ad623359
IRQ handler netup_spi_interrupt() takes spinlock spi->lock. The lock is initialized in netup_spi_init(). However, irq handler is registered before initializing the lock. Spinlock dma->lock and i2c->lock suffer from the same problem. Fix this by registering the irq at the end of probe. Link: https://lore.kernel.org/linux-media/20230315134518.1074497-1-harperchen1110@gmail.com Signed-off-by: Wei Chen <harperchen1110@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@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.