[PATCH 5/6] clk: sunxi: make use of of_clk_parent_fill helper function

From: dinguyen
Date: Wed Jun 10 2015 - 17:56:20 EST


From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>

Use of_clk_parent_fill to fill in the parent clock names' array.

Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Cc: "Emilio LÃpez" <emilio@xxxxxxxxxxxxx>
---
drivers/clk/sunxi/clk-a20-gmac.c | 3 +--
drivers/clk/sunxi/clk-factors.c | 4 +---
drivers/clk/sunxi/clk-sun6i-ar100.c | 3 +--
drivers/clk/sunxi/clk-sunxi.c | 10 ++--------
4 files changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/clk/sunxi/clk-a20-gmac.c b/drivers/clk/sunxi/clk-a20-gmac.c
index 0dcf4f2..a432edd 100644
--- a/drivers/clk/sunxi/clk-a20-gmac.c
+++ b/drivers/clk/sunxi/clk-a20-gmac.c
@@ -80,8 +80,7 @@ static void __init sun7i_a20_gmac_clk_setup(struct device_node *node)
goto free_mux;

/* gmac clock requires exactly 2 parents */
- parents[0] = of_clk_get_parent_name(node, 0);
- parents[1] = of_clk_get_parent_name(node, 1);
+ of_clk_parent_fill(node, parents, 2);
if (!parents[0] || !parents[1])
goto free_gate;

diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c
index 8c20190..2589457 100644
--- a/drivers/clk/sunxi/clk-factors.c
+++ b/drivers/clk/sunxi/clk-factors.c
@@ -174,9 +174,7 @@ struct clk *sunxi_factors_register(struct device_node *node,
int i = 0;

/* if we have a mux, we will have >1 parents */
- while (i < FACTORS_MAX_PARENTS &&
- (parents[i] = of_clk_get_parent_name(node, i)) != NULL)
- i++;
+ i = of_clk_parent_fill(node, parents, FACTORS_MAX_PARENTS);

/*
* some factor clocks, such as pll5 and pll6, may have multiple
diff --git a/drivers/clk/sunxi/clk-sun6i-ar100.c b/drivers/clk/sunxi/clk-sun6i-ar100.c
index 63cf149..6f229ff 100644
--- a/drivers/clk/sunxi/clk-sun6i-ar100.c
+++ b/drivers/clk/sunxi/clk-sun6i-ar100.c
@@ -195,8 +195,7 @@ static int sun6i_a31_ar100_clk_probe(struct platform_device *pdev)
if (nparents > SUN6I_AR100_MAX_PARENTS)
nparents = SUN6I_AR100_MAX_PARENTS;

- for (i = 0; i < nparents; i++)
- parents[i] = of_clk_get_parent_name(np, i);
+ of_clk_parent_fill(np, parents, nparents);

of_property_read_string(np, "clock-output-names", &clk_name);

diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 7e1e2bd..ebea294 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -200,10 +200,7 @@ static void __init sun6i_ahb1_clk_setup(struct device_node *node)
reg = of_io_request_and_map(node, 0, of_node_full_name(node));

/* we have a mux, we will have >1 parents */
- while (i < SUN6I_AHB1_MAX_PARENTS &&
- (parents[i] = of_clk_get_parent_name(node, i)) != NULL)
- i++;
-
+ of_clk_parent_fill(node, parents, SUN6I_AHB1_MAX_PARENTS);
of_property_read_string(node, "clock-output-names", &clk_name);

ahb1 = kzalloc(sizeof(struct sun6i_ahb1_clk), GFP_KERNEL);
@@ -788,10 +785,7 @@ static void __init sunxi_mux_clk_setup(struct device_node *node,

reg = of_iomap(node, 0);

- while (i < SUNXI_MAX_PARENTS &&
- (parents[i] = of_clk_get_parent_name(node, i)) != NULL)
- i++;
-
+ of_clk_parent_fill(node, parents, SUNXI_MAX_PARENTS);
of_property_read_string(node, "clock-output-names", &clk_name);

clk = clk_register_mux(NULL, clk_name, parents, i,
--
2.2.1

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