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clk: sunxi: make use of of_clk_parent_fill helper function

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

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: "Emilio López" <emilio@elopez.com.ar>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Dinh Nguyen 2015-07-06 22:59:05 -05:00 committed by Stephen Boyd
parent 0b4e7f0842
commit 8a53fb2bce
4 changed files with 7 additions and 19 deletions
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4
drivers/clk/sunxi/clk-a20-gmac.c
View file

@ -80,9 +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);
if (!parents[0] || !parents[1])
if (of_clk_parent_fill(node, parents, 2) != 2)
goto free_gate;
reg = of_iomap(node, 0);

4
drivers/clk/sunxi/clk-factors.c
View file

@ -175,9 +175,7 @@ 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

4
drivers/clk/sunxi/clk-sun6i-ar100.c
View file

@ -182,7 +182,6 @@ static int sun6i_a31_ar100_clk_probe(struct platform_device *pdev)
struct resource *r;
struct clk *clk;
int nparents;
int i;
ar100 = devm_kzalloc(&pdev->dev, sizeof(*ar100), GFP_KERNEL);
if (!ar100)
@ -197,8 +196,7 @@ 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);

14
drivers/clk/sunxi/clk-sunxi.c
View file

@ -195,17 +195,14 @@ static void __init sun6i_ahb1_clk_setup(struct device_node *node)
const char *clk_name = node->name;
const char *parents[SUN6I_AHB1_MAX_PARENTS];
void __iomem *reg;
int i = 0;
int i;
reg = of_io_request_and_map(node, 0, of_node_full_name(node));
if (IS_ERR(reg))
return;
/* 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++;
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);
@ -786,14 +783,11 @@ static void __init sunxi_mux_clk_setup(struct device_node *node,
const char *clk_name = node->name;
const char *parents[SUNXI_MAX_PARENTS];
void __iomem *reg;
int i = 0;
int i;
reg = of_iomap(node, 0);
while (i < SUNXI_MAX_PARENTS &&
(parents[i] = of_clk_get_parent_name(node, i)) != NULL)
i++;
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,