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Andrey Gusakov
540cffbab8
gpio: pca953x: do not ignore i2c errors
Per gpio_chip interface, error shall be proparated to the caller. Attempt to silent diagnostics by returning zero (as written in the comment) is plain wrong, because the zero return can be interpreted by the caller as the gpio value. Cc: stable@vger.kernel.org Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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.
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