linux-kernel - [PATCH v3 05/31] clk: mediatek: gate: Clean up included headers

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Date:   Tue,  8 Feb 2022 20:40:08 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Chen-Yu Tsai <wenst@...omium.org>,
        Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Miles Chen <miles.chen@...iatek.com>,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 05/31] clk: mediatek: gate: Clean up included headers

Some included headers aren't actually used anywhere, while other headers
with the declaration of functions and structures aren't directly
included.

Get rid of the unused ones, and add the ones that should be included
directly.

On the header side, replace headers that are included purely for data
structure definitions with forward declarations. This decreases the
amount of preprocessing and compilation effort required for each
inclusion.

Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
Reviewed-by: Miles Chen <miles.chen@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 drivers/clk/mediatek/clk-gate.c | 11 +++--------
 drivers/clk/mediatek/clk-gate.h | 10 +++++++---
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c
index ed1ad5535d41..e8881ae1489a 100644
--- a/drivers/clk/mediatek/clk-gate.c
+++ b/drivers/clk/mediatek/clk-gate.c
@@ -4,18 +4,13 @@
  * Author: James Liao <jamesjj.liao@...iatek.com>
  */
 
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/clkdev.h>
 #include <linux/clk-provider.h>
-#include <linux/container_of.h>
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
+#include <linux/printk.h>
 #include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/types.h>
 
 #include "clk-gate.h"
 
diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h
index 344adffb6578..6b5738826a22 100644
--- a/drivers/clk/mediatek/clk-gate.h
+++ b/drivers/clk/mediatek/clk-gate.h
@@ -7,9 +7,13 @@
 #ifndef __DRV_CLK_GATE_H
 #define __DRV_CLK_GATE_H
 
-#include <linux/clk-provider.h>
-#include <linux/device.h>
-#include <linux/of.h>
+#include <linux/types.h>
+
+struct clk;
+struct clk_onecell_data;
+struct clk_ops;
+struct device;
+struct device_node;
 
 extern const struct clk_ops mtk_clk_gate_ops_setclr;
 extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
-- 
2.35.0.263.gb82422642f-goog