Re: [GIT PULL] clk: sunxi-ng: clk parent rewrite part 1 - take 2

[Stephen Boyd <sboyd@kernel.org>]

Quoting Chen-Yu Tsai (2019-06-21 19:22:54)
> Hi,
> 
> Take 2 has build errors in drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c
> fixed.
> 
> The following changes since commit a188339ca5a396acc588e5851ed7e19f66b0ebd9:
> 
>   Linux 5.2-rc1 (2019-05-19 15:47:09 -0700)
> 
> are available in the Git repository at:
> 
>   https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi-ng-parent-rewrite-part-1-take-2
> 
> for you to fetch changes up to 89f27fb2dd348d8d52a97e6ebec15c64fe461a25:
> 
>   clk: sunxi-ng: sun8i-r: Use local parent references for SUNXI_CCU_GATE (2019-06-22 10:13:16 +0800)
> 
> ----------------------------------------------------------------

Thanks. Pulled into clk-next. I applied this patch on top though to
clean up the debugfs patch. A newline was missing. Does it make sense? I
haven't tested it at all.

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 093161ca4dcc..09d8e84a1968 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2997,11 +2997,10 @@ static int clk_flags_show(struct seq_file *s, void *data)
 }
 DEFINE_SHOW_ATTRIBUTE(clk_flags);
 
-static int possible_parents_show(struct seq_file *s, void *data)
+static void possible_parent_show(struct seq_file *s, struct clk_core *core,
+				 unsigned int i, char terminator)
 {
-	struct clk_core *core = s->private;
 	struct clk_core *parent;
-	int i;
 
 	/*
 	 * Go through the following options to fetch a parent's name.
@@ -3015,22 +3014,6 @@ static int possible_parents_show(struct seq_file *s, void *data)
 	 * specified directly via a struct clk_hw pointer, but it isn't
 	 * registered (yet).
 	 */
-	for (i = 0; i < core->num_parents - 1; i++) {
-		parent = clk_core_get_parent_by_index(core, i);
-		if (parent)
-			seq_printf(s, "%s ", parent->name);
-		else if (core->parents[i].name)
-			seq_printf(s, "%s ", core->parents[i].name);
-		else if (core->parents[i].fw_name)
-			seq_printf(s, "<%s>(fw) ", core->parents[i].fw_name);
-		else if (core->parents[i].index >= 0)
-			seq_printf(s, "%s ",
-				   of_clk_get_parent_name(core->of_node,
-							  core->parents[i].index));
-		else
-			seq_puts(s, "(missing) ");
-	}
-
 	parent = clk_core_get_parent_by_index(core, i);
 	if (parent)
 		seq_printf(s, "%s", parent->name);
@@ -3045,6 +3028,19 @@ static int possible_parents_show(struct seq_file *s, void *data)
 	else
 		seq_puts(s, "(missing)");
 
+	seq_putc(s, terminator);
+}
+
+static int possible_parents_show(struct seq_file *s, void *data)
+{
+	struct clk_core *core = s->private;
+	int i;
+
+	for (i = 0; i < core->num_parents - 1; i++)
+		possible_parent_show(s, core, i, ' ');
+
+	possible_parent_show(s, core, i, '\n');
+
 	return 0;
 }
 DEFINE_SHOW_ATTRIBUTE(possible_parents);