From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/arch/arm/mach-omap1/clock.c | 85 ++++++++----------------------------------
1 files changed, 16 insertions(+), 69 deletions(-)
diff --git a/kernel/arch/arm/mach-omap1/clock.c b/kernel/arch/arm/mach-omap1/clock.c
index fa51241..d89bda1 100644
--- a/kernel/arch/arm/mach-omap1/clock.c
+++ b/kernel/arch/arm/mach-omap1/clock.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-omap1/clock.c
*
@@ -6,10 +7,6 @@
*
* Modified to use omap shared clock framework by
* Tony Lindgren <tony@atomide.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/export.h>
@@ -44,7 +41,7 @@
unsigned long omap1_uart_recalc(struct clk *clk)
{
unsigned int val = __raw_readl(clk->enable_reg);
- return val & clk->enable_bit ? 48000000 : 12000000;
+ return val & 1 << clk->enable_bit ? 48000000 : 12000000;
}
unsigned long omap1_sossi_recalc(struct clk *clk)
@@ -968,7 +965,7 @@
static struct dentry *clk_debugfs_root;
-static int clk_dbg_show_summary(struct seq_file *s, void *unused)
+static int debug_clock_show(struct seq_file *s, void *unused)
{
struct clk *c;
struct clk *pa;
@@ -988,96 +985,46 @@
return 0;
}
-static int clk_dbg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, clk_dbg_show_summary, inode->i_private);
-}
+DEFINE_SHOW_ATTRIBUTE(debug_clock);
-static const struct file_operations debug_clock_fops = {
- .open = clk_dbg_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int clk_debugfs_register_one(struct clk *c)
+static void clk_debugfs_register_one(struct clk *c)
{
- int err;
struct dentry *d;
struct clk *pa = c->parent;
d = debugfs_create_dir(c->name, pa ? pa->dent : clk_debugfs_root);
- if (!d)
- return -ENOMEM;
c->dent = d;
- d = debugfs_create_u8("usecount", S_IRUGO, c->dent, &c->usecount);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- d = debugfs_create_ulong("rate", S_IRUGO, c->dent, &c->rate);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- d = debugfs_create_x8("flags", S_IRUGO, c->dent, &c->flags);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- return 0;
-
-err_out:
- debugfs_remove_recursive(c->dent);
- return err;
+ debugfs_create_u8("usecount", S_IRUGO, c->dent, &c->usecount);
+ debugfs_create_ulong("rate", S_IRUGO, c->dent, &c->rate);
+ debugfs_create_x8("flags", S_IRUGO, c->dent, &c->flags);
}
-static int clk_debugfs_register(struct clk *c)
+static void clk_debugfs_register(struct clk *c)
{
- int err;
struct clk *pa = c->parent;
- if (pa && !pa->dent) {
- err = clk_debugfs_register(pa);
- if (err)
- return err;
- }
+ if (pa && !pa->dent)
+ clk_debugfs_register(pa);
- if (!c->dent) {
- err = clk_debugfs_register_one(c);
- if (err)
- return err;
- }
- return 0;
+ if (!c->dent)
+ clk_debugfs_register_one(c);
}
static int __init clk_debugfs_init(void)
{
struct clk *c;
struct dentry *d;
- int err;
d = debugfs_create_dir("clock", NULL);
- if (!d)
- return -ENOMEM;
clk_debugfs_root = d;
- list_for_each_entry(c, &clocks, node) {
- err = clk_debugfs_register(c);
- if (err)
- goto err_out;
- }
+ list_for_each_entry(c, &clocks, node)
+ clk_debugfs_register(c);
- d = debugfs_create_file("summary", S_IRUGO,
- d, NULL, &debug_clock_fops);
- if (!d)
- return -ENOMEM;
+ debugfs_create_file("summary", S_IRUGO, d, NULL, &debug_clock_fops);
return 0;
-err_out:
- debugfs_remove_recursive(clk_debugfs_root);
- return err;
}
late_initcall(clk_debugfs_init);
--
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