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path: root/drivers/clk/renesas/clk-mstp.c
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Diffstat (limited to 'drivers/clk/renesas/clk-mstp.c')
-rw-r--r--drivers/clk/renesas/clk-mstp.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index 92ece221b0d4..2db9093546c6 100644
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -30,11 +30,12 @@
/**
* struct mstp_clock_group - MSTP gating clocks group
*
- * @data: clocks in this group
+ * @data: clock specifier translation for clocks in this group
* @smstpcr: module stop control register
* @mstpsr: module stop status register (optional)
* @lock: protects writes to SMSTPCR
* @width_8bit: registers are 8-bit, not 32-bit
+ * @clks: clocks in this group
*/
struct mstp_clock_group {
struct clk_onecell_data data;
@@ -42,6 +43,7 @@ struct mstp_clock_group {
void __iomem *mstpsr;
spinlock_t lock;
bool width_8bit;
+ struct clk *clks[];
};
/**
@@ -186,14 +188,13 @@ static void __init cpg_mstp_clocks_init(struct device_node *np)
struct clk **clks;
unsigned int i;
- group = kzalloc(sizeof(*group), GFP_KERNEL);
- clks = kmalloc_array(MSTP_MAX_CLOCKS, sizeof(*clks), GFP_KERNEL);
- if (group == NULL || clks == NULL) {
+ group = kzalloc(struct_size(group, clks, MSTP_MAX_CLOCKS), GFP_KERNEL);
+ if (group == NULL) {
kfree(group);
- kfree(clks);
return;
}
+ clks = group->clks;
spin_lock_init(&group->lock);
group->data.clks = clks;
@@ -203,7 +204,6 @@ static void __init cpg_mstp_clocks_init(struct device_node *np)
if (group->smstpcr == NULL) {
pr_err("%s: failed to remap SMSTPCR\n", __func__);
kfree(group);
- kfree(clks);
return;
}
@@ -297,16 +297,12 @@ found:
return PTR_ERR(clk);
error = pm_clk_create(dev);
- if (error) {
- dev_err(dev, "pm_clk_create failed %d\n", error);
+ if (error)
goto fail_put;
- }
error = pm_clk_add_clk(dev, clk);
- if (error) {
- dev_err(dev, "pm_clk_add_clk %pC failed %d\n", clk, error);
+ if (error)
goto fail_destroy;
- }
return 0;