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[ Upstream commit6dfdf6e4e7] In case of error, the function devm_ioremap_wc() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Fixes:6edbe024ba("remoteproc: k3-dsp: Add a remoteproc driver of K3 C66x DSPs") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Suman Anna <s-anna@ti.com> Link: https://lore.kernel.org/r/20200905122503.17352-1-yuehaibing@huawei.com Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Sasha Levin <sashal@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.