add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clk/clk-nomadik.c
..
..
@@ -1,7 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * Nomadik clock implementation
3
4
  * Copyright (C) 2013 ST-Ericsson AB
4
- * License terms: GNU General Public License (GPL) version 2
5
5
  * Author: Linus Walleij <linus.walleij@linaro.org>
6
6
  */
7
7
 
..
..
@@ -97,8 +97,8 @@
97
97
 	}
98
98
 	src_base = of_iomap(np, 0);
99
99
 	if (!src_base) {
100
-		pr_err("%s: must have src parent node with REGS (%s)\n",
101
-		       __func__, np->name);
100
+		pr_err("%s: must have src parent node with REGS (%pOFn)\n",
101
+		       __func__, np);
102
102
 		return;
103
103
 	}
104
104
 
..
..
@@ -259,7 +259,7 @@
259
259
 {
260
260
 	int ret;
261
261
 	struct clk_pll *pll;
262
-	struct clk_init_data init = {};
262
+	struct clk_init_data init;
263
263
 
264
264
 	if (id != 1 && id != 2) {
265
265
 		pr_err("%s: the Nomadik has only PLL 1 & 2\n", __func__);
..
..
@@ -351,7 +351,7 @@
351
351
 {
352
352
 	int ret;
353
353
 	struct clk_src *sclk;
354
-	struct clk_init_data init = {};
354
+	struct clk_init_data init;
355
355
 
356
356
 	sclk = kzalloc(sizeof(*sclk), GFP_KERNEL);
357
357
 	if (!sclk)
..
..
@@ -455,7 +455,7 @@
455
455
 	"RNGCCLK   ",
456
456
 };
457
457
 
458
-static int nomadik_src_clk_show(struct seq_file *s, void *what)
458
+static int nomadik_src_clk_debugfs_show(struct seq_file *s, void *what)
459
459
 {
460
460
 	int i;
461
461
 	u32 src_pcksr0 = readl(src_base + SRC_PCKSR0);
..
..
@@ -479,17 +479,7 @@
479
479
 	return 0;
480
480
 }
481
481
 
482
-static int nomadik_src_clk_open(struct inode *inode, struct file *file)
483
-{
484
-	return single_open(file, nomadik_src_clk_show, NULL);
485
-}
486
-
487
-static const struct file_operations nomadik_src_clk_debugfs_ops = {
488
-	.open           = nomadik_src_clk_open,
489
-	.read           = seq_read,
490
-        .llseek         = seq_lseek,
491
-	.release        = single_release,
492
-};
482
+DEFINE_SHOW_ATTRIBUTE(nomadik_src_clk_debugfs);
493
483
 
494
484
 static int __init nomadik_src_clk_init_debugfs(void)
495
485
 {
..
..
@@ -499,7 +489,7 @@
499
489
 	src_pcksr0_boot = readl(src_base + SRC_PCKSR0);
500
490
 	src_pcksr1_boot = readl(src_base + SRC_PCKSR1);
501
491
 	debugfs_create_file("nomadik-src-clk", S_IFREG | S_IRUGO,
502
-			    NULL, NULL, &nomadik_src_clk_debugfs_ops);
492
+			    NULL, NULL, &nomadik_src_clk_debugfs_fops);
503
493
 	return 0;
504
494
 }
505
495
 device_initcall(nomadik_src_clk_init_debugfs);