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| Filename | Latest commit message | Latest commit date |
|---|---|---|
395373c721
The edge interrupt handling was effectively: isr = ISR_reg & enabled; if (bank->level_mask) level_mask = bank->level_mask & enabled; else level_mask = 0; edge = isr & ~level_mask; When bank->level_mask is zero, level_mask will be computed as zero anyway, so the if() statement is redundant. We are then left with: isr = ISR_reg & enabled; level_mask = bank->level_mask & enabled; edge = isr & ~level_mask; This can be simplified further to: isr = ISR_reg & enabled; edge = isr & ~bank->level_mask; since the second mask with 'enabled' is redundant. Improve the associated comment as well. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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| README | ||
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.