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| Filename | Latest commit message | Latest commit date |
|---|---|---|
f925a054f0
The first part of ongoing work to convert the sunxi-ng clk driver from
using global clock name strings to describe clk parenting, to having
direct struct clk_hw pointers, or local names based on clock-names from
the device tree binding.
This is based on Stephen Boyd's recent work allowing clk drivers to
specify clk parents using struct clk_hw * or parsing DT phandles in the
clk node.
This series can be split into a few major parts:
1) The first patch is a small fix for clk debugfs representation.
2) A bunch of CLK_HW_INIT_* helper macros are added. These cover the
situations I encountered, or assume I will encounter, such as single
internal (struct clk_hw *) parent, single DT (struct clk_parent_data
.fw_name), multiple internal parents, and multiple mixed (internal +
DT) parents. A special variant for just an internal single parent is
added, CLK_HW_INIT_HWS, which lets the driver share the singular
list, instead of having the compiler create a compound literal every
time. It might even make sense to only keep this variant.
3) A bunch of CLK_FIXED_FACTOR_* helper macros are added. The rationale
is the same as the single parent CLK_HW_INIT_* helpers.
4) Bulk conversion of CLK_FIXED_FACTOR to use local parent references,
either struct clk_hw * or DT .fw_name types, whichever the hardware
requires.
5) The beginning of SUNXI_CCU_GATE conversion to local parent
references. This part is not done. They are included as justification
and examples for the shared list of clk parents case.
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Merge tag 'sunxi-ng-parent-rewrite-part-1-take-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner
Pull Allwinner sunxi-ng clk driver parent relation rewrite part 1 - take 2
from Chen-Yu Tsai:
"The first part of ongoing work to convert the sunxi-ng clk driver from
using global clock name strings to describe clk parenting, to having
direct struct clk_hw pointers, or local names based on clock-names from
the device tree binding.
This is based on Stephen Boyd's recent work allowing clk drivers to
specify clk parents using struct clk_hw * or parsing DT phandles in the
clk node.
This series can be split into a few major parts:
1) The first patch is a small fix for clk debugfs representation.
2) A bunch of CLK_HW_INIT_* helper macros are added. These cover the
situations I encountered, or assume I will encounter, such as single
internal (struct clk_hw *) parent, single DT (struct clk_parent_data
.fw_name), multiple internal parents, and multiple mixed (internal +
DT) parents. A special variant for just an internal single parent is
added, CLK_HW_INIT_HWS, which lets the driver share the singular
list, instead of having the compiler create a compound literal every
time. It might even make sense to only keep this variant.
3) A bunch of CLK_FIXED_FACTOR_* helper macros are added. The rationale
is the same as the single parent CLK_HW_INIT_* helpers.
4) Bulk conversion of CLK_FIXED_FACTOR to use local parent references,
either struct clk_hw * or DT .fw_name types, whichever the hardware
requires.
5) The beginning of SUNXI_CCU_GATE conversion to local parent
references. This part is not done. They are included as justification
and examples for the shared list of clk parents case."
* tag 'sunxi-ng-parent-rewrite-part-1-take-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: (25 commits)
clk: sunxi-ng: sun8i-r: Use local parent references for SUNXI_CCU_GATE
clk: sunxi-ng: a80-usb: Use local parent references for SUNXI_CCU_GATE
clk: sunxi-ng: gate: Add macros for referencing local clock parents
clk: sunxi-ng: h6-r: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: h6: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a64: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: f1c100s: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: sun8i-r: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: v3s: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: r40: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: h3: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a33: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a23: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a31: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: sun5i: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: a10: Use local parent references for CLK_FIXED_FACTOR
clk: sunxi-ng: sun8i-r: Use local parent references for CLK_HW_INIT_*
clk: sunxi-ng: switch to of_clk_hw_register() for registering clks
clk: fixed-factor: Add CLK_FIXED_FACTOR_FW_NAME for DT clock-names parent
clk: fixed-factor: Add CLK_FIXED_FACTOR_HWS which takes list of struct clk_hw *
...
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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.