From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V6 01/12] drivers: move clock common macros out from vendor directories
Date: Wed, 6 Dec 2017 22:47:23 -0800 [thread overview]
Message-ID: <20171207064723.GV4283@codeaurora.org> (raw)
In-Reply-To: <20171127100115.20655-2-chunyan.zhang@spreadtrum.com>
On 11/27, Chunyan Zhang wrote:
> These macros are used by more than one SoC vendor platforms, avoid to
> have many copies of these code, this patch moves them to the common
> clock directory which every clock drivers can access to.
>
> Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
> ---
> drivers/clk/clk_common.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 60 insertions(+)
> create mode 100644 drivers/clk/clk_common.h
>
> diff --git a/drivers/clk/clk_common.h b/drivers/clk/clk_common.h
> new file mode 100644
> index 0000000..21e93d2
> --- /dev/null
> +++ b/drivers/clk/clk_common.h
> @@ -0,0 +1,60 @@
> +/*
> + * drivers/clk/clk_common.h
We don't need this in the file too. Please remove this line.
> + *
> + * SPDX-License-Identifier: GPL-2.0
> + */
> +
> +#ifndef _CLK_COMMON_H_
> +#define _CLK_COMMON_H_
> +
> +#include <linux/clk-provider.h>
Maybe these macros should just go into clk-provider.h?
> +
> +#define CLK_HW_INIT(_name, _parent, _ops, _flags) \
> + (&(struct clk_init_data) { \
> + .flags = _flags, \
> + .name = _name, \
> + .parent_names = (const char *[]) { _parent }, \
> + .num_parents = 1, \
> + .ops = _ops, \
> + })
Hopefully we don't extend the init structure anymore to have
something else. I guess we'll do something if that happens.
> +
> +#define CLK_HW_INIT_PARENTS(_name, _parents, _ops, _flags) \
> + (&(struct clk_init_data) { \
> + .flags = _flags, \
> + .name = _name, \
> + .parent_names = _parents, \
> + .num_parents = ARRAY_SIZE(_parents), \
> + .ops = _ops, \
> + })
> +
> +#define CLK_HW_INIT_NO_PARENT(_name, _ops, _flags) \
> + (&(struct clk_init_data) { \
> + .flags = _flags, \
> + .name = _name, \
> + .parent_names = NULL, \
> + .num_parents = 0, \
> + .ops = _ops, \
> + })
> +
> +#define CLK_FIXED_FACTOR(_struct, _name, _parent, \
> + _div, _mult, _flags) \
> + struct clk_fixed_factor _struct = { \
> + .div = _div, \
> + .mult = _mult, \
> + .hw.init = CLK_HW_INIT(_name, \
> + _parent, \
> + &clk_fixed_factor_ops, \
> + _flags), \
> + }
> +
> +#define CLK_FIXED_RATE(_struct, _name, _flags, \
> + _fixed_rate, _fixed_accuracy) \
> + struct clk_fixed_rate _struct = { \
> + .fixed_rate = _fixed_rate, \
> + .fixed_accuracy = _fixed_accuracy, \
> + .hw.init = CLK_HW_INIT_NO_PARENT(_name, \
> + &clk_fixed_rate_ops, \
> + _flags), \
> + }
Maybe don't add this one? Usually fixed rate clks come from DT.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2017-12-07 6:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-27 10:01 [PATCH V6 00/12] add clock driver for Spreadtrum platforms Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 01/12] drivers: move clock common macros out from vendor directories Chunyan Zhang
2017-12-07 6:47 ` Stephen Boyd [this message]
2017-12-07 8:08 ` Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 02/12] clk: sprd: Add common infrastructure Chunyan Zhang
2017-12-07 6:50 ` Stephen Boyd
2017-11-27 10:01 ` [PATCH V6 03/12] clk: sprd: add gate clock support Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 04/12] clk: sprd: add mux " Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 05/12] clk: sprd: add divider " Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 06/12] clk: sprd: add composite " Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 07/12] clk: sprd: add adjustable pll support Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 08/12] dt-bindings: Add Spreadtrum clock binding documentation Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 09/12] clk: sprd: Add dt-bindings include file for SC9860 Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 10/12] clk: sprd: add clocks support " Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 11/12] arm64: dts: add syscon for whale2 platform Chunyan Zhang
2017-11-27 10:01 ` [PATCH V6 12/12] arm64: dts: add clocks for SC9860 Chunyan Zhang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20171207064723.GV4283@codeaurora.org \
--to=sboyd@codeaurora.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).