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Date: Mon, 20 May 2019 16:03:57 +0800 From: Chen-Yu Tsai <wens@...nel.org> To: Maxime Ripard <maxime.ripard@...tlin.com>, Stephen Boyd <sboyd@...nel.org>, Michael Turquette <mturquette@...libre.com> Cc: Chen-Yu Tsai <wens@...e.org>, linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 01/25] clk: Fix debugfs clk_possible_parents for clks without parent string names From: Chen-Yu Tsai <wens@...e.org> Following the commit fc0c209c147f ("clk: Allow parents to be specified without string names"), the parent name string is not always populated. Instead, fetch the parents clk_core struct using the appropriate helper, and read its name directly. Fixes: fc0c209c147f ("clk: Allow parents to be specified without string names") Signed-off-by: Chen-Yu Tsai <wens@...e.org> --- drivers/clk/clk.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index aa51756fd4d6..bdb077ba59b9 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -3000,12 +3000,16 @@ DEFINE_SHOW_ATTRIBUTE(clk_flags); static int possible_parents_show(struct seq_file *s, void *data) { struct clk_core *core = s->private; + struct clk_core *parent; int i; - for (i = 0; i < core->num_parents - 1; i++) - seq_printf(s, "%s ", core->parents[i].name); + for (i = 0; i < core->num_parents - 1; i++) { + parent = clk_core_get_parent_by_index(core, i); + seq_printf(s, "%s ", parent ? parent->name : NULL); + } - seq_printf(s, "%s\n", core->parents[i].name); + parent = clk_core_get_parent_by_index(core, i); + seq_printf(s, "%s", parent ? parent->name : NULL); return 0; } -- 2.20.1
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