sh: Show all clocks and their state in /proc/clocks (152fe36e) · Commits · 戴 / test

Show all clocks in /proc/clocks, and also show if they are enabled or disabled. This is useful to show MSTPCR bits on SuperH Mobile processors. Signed-off-by:

Magnus Damm <damm@igel.co.jp> Signed-off-by:

Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/cpu/clock.c

+5 −9

Original line number	Diff line number	Diff line
		@@ -308,15 +308,11 @@ static int show_clocks(char buf, char *start, off_t off,
		list_for_each_entry_reverse(clk, &clock_list, node) {
		unsigned long rate = clk_get_rate(clk);

		/*
		* Don't bother listing dummy clocks with no ancestry
		* that only support enable and disable ops.
		*/
		if (unlikely(!rate && !clk->parent))
		continue;

		p += sprintf(p, "%-12s\t: %ld.%02ldMHz\n", clk->name,
		rate / 1000000, (rate % 1000000) / 10000);
		p += sprintf(p, "%-12s\t: %ld.%02ldMHz\t%s\n", clk->name,
		rate / 1000000, (rate % 1000000) / 10000,
		((clk->flags & CLK_ALWAYS_ENABLED) \|\|
		(atomic_read(&clk->kref.refcount) != 1)) ?
		"enabled" : "disabled");
		}

		return p - buf;

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