[PATCH v3 5/5] ARM: davinci: remove clock debugfs
David Lechner
david at lechnology.com
Fri Dec 8 18:15:11 PST 2017
This removed the debugfs entry for mach-davinci clocks. The clocks now use
the common clock framework, which provides debugfs already, so this code is
redundant.
Signed-off-by: David Lechner <david at lechnology.com>
---
arch/arm/mach-davinci/clock.c | 79 -------------------------------------------
1 file changed, 79 deletions(-)
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 0e63d93..347902e 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -626,82 +626,3 @@ void __init davinci_clk_init(struct davinci_clk *clk, const char *con_id,
if (clk->flags & ALWAYS_ENABLED)
clk_prepare_enable(clk->hw.clk);
}
-
-#ifdef CONFIG_DEBUG_FS
-
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-
-#define CLKNAME_MAX 10 /* longest clock name */
-#define NEST_DELTA 2
-#define NEST_MAX 4
-
-static void
-dump_clock(struct seq_file *s, unsigned nest, struct davinci_clk *parent)
-{
- char *state;
- char buf[CLKNAME_MAX + NEST_DELTA * NEST_MAX];
- struct davinci_clk *clk;
- unsigned i;
-
- if (parent->flags & CLK_PLL)
- state = "pll";
- else if (parent->flags & CLK_PSC)
- state = "psc";
- else
- state = "";
-
- /* <nest spaces> name <pad to end> */
- memset(buf, ' ', sizeof(buf) - 1);
- buf[sizeof(buf) - 1] = 0;
- i = strlen(parent->name);
- memcpy(buf + nest, parent->name,
- min(i, (unsigned)(sizeof(buf) - 1 - nest)));
-
- seq_printf(s, "%s users=%2d %-3s %9ld Hz\n",
- buf, parent->usecount, state, parent->rate);
- /* REVISIT show device associations too */
-
- /* cost is now small, but not linear... */
- list_for_each_entry(clk, &parent->children, childnode) {
- dump_clock(s, nest + NEST_DELTA, clk);
- }
-}
-
-static int davinci_ck_show(struct seq_file *m, void *v)
-{
- struct davinci_clk *clk;
-
- /*
- * Show clock tree; We trust nonzero usecounts equate to PSC enables...
- */
- mutex_lock(&clocks_mutex);
- list_for_each_entry(clk, &clocks, node)
- if (!clk->parent)
- dump_clock(m, 0, clk);
- mutex_unlock(&clocks_mutex);
-
- return 0;
-}
-
-static int davinci_ck_open(struct inode *inode, struct file *file)
-{
- return single_open(file, davinci_ck_show, NULL);
-}
-
-static const struct file_operations davinci_ck_operations = {
- .open = davinci_ck_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int __init davinci_clk_debugfs_init(void)
-{
- debugfs_create_file("davinci_clocks", S_IFREG | S_IRUGO, NULL, NULL,
- &davinci_ck_operations);
- return 0;
-
-}
-device_initcall(davinci_clk_debugfs_init);
-#endif /* CONFIG_DEBUG_FS */
--
2.7.4
More information about the linux-arm-kernel
mailing list