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The IRQ setup code is overly complex. All we really need to do is initialize the related fields in struct tidss_device, and request the IRQ. We can drop all the HW accesses, as they are pointless: the driver will set the IRQs correctly when it needs any of the IRQs, and at probe time we have done a reset, so we know that all the IRQs are masked by default in the hardware. Thus we can combine the tidss_irq_preinstall() and tidss_irq_postinstall() into the tidss_irq_install() function, drop the HW accesses, and drop the use of spinlock, as this is done at init time and there can be no races. We can also drop the HW access from the tidss_irq_uninstall(), as the driver will anyway disable and suspend the hardware at remove time. Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com> Link: https://lore.kernel.org/r/20231109-tidss-probe-v2-9-ac91b5ea35c0@ideasonboard.com Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
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.