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9713c36a41
If the parent of one clock is cpll and we set it as dummy clock, the
clock will be a orphan clock and the clk provider will register abortively,
as follows.
[ 0.000000] rockchip_clk_of_add_provider: could not register clk provider
The cause of the error:
struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id,
const char *con_id, bool with_orphans)
{
/* This is to allow this function to be chained to others */
if (!hw || IS_ERR(hw))
return (struct clk *) hw;
if (hw->core->orphan && !with_orphans)
return ERR_PTR(-EPROBE_DEFER);
return clk_hw_create_clk(hw, dev_id, con_id);
}
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: I7053cd4e0a028a1556c774601d5c01578ee5b1ac
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.
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.