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After reset assertion, we only have to wait for the reset signals to propagate through the GPU before deasserting the reset again. A few hundred clock cycles should be more than enough. Replace the msleep(1), which can actually take about 30 ms on i.MX6Q in some configurations, with an usleep_range of a few microseconds. If the delay was too short, the FE would not be idle afterwards, and the reset would be retried. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.