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clk-lpc18xx-ccu: kzalloc + kcalloc to kzalloc_flex

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Simplifies allocation by using a flexible array member.

Also allows using __counted_by for extra runtime analysis.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Rosen Penev
2026-03-05 19:25:40 -08:00
committed by Stephen Boyd
parent 2ceaa8b93b
commit 9a51504d7c
1 changed files with 5 additions and 9 deletions
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14
drivers/clk/nxp/clk-lpc18xx-ccu.c
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@@ -27,8 +27,8 @@
#define CCU_BRANCH_HAVE_DIV2 BIT(1)
struct lpc18xx_branch_clk_data {
const char **name;
int num;
const char *name[] __counted_by(num);
};
struct lpc18xx_clk_branch {
@@ -266,6 +266,7 @@ static void __init lpc18xx_ccu_init(struct device_node *np)
{
struct lpc18xx_branch_clk_data *clk_data;
void __iomem *reg_base;
size_t size;
int i, ret;
reg_base = of_iomap(np, 0);
@@ -274,19 +275,14 @@ static void __init lpc18xx_ccu_init(struct device_node *np)
return;
}
clk_data = kzalloc_obj(*clk_data);
size = of_property_count_strings(np, "clock-names");
clk_data = kzalloc_flex(*clk_data, name, size);
if (!clk_data) {
iounmap(reg_base);
return;
}
clk_data->num = of_property_count_strings(np, "clock-names");
clk_data->name = kcalloc(clk_data->num, sizeof(char *), GFP_KERNEL);
if (!clk_data->name) {
iounmap(reg_base);
kfree(clk_data);
return;
}
clk_data->num = size;
for (i = 0; i < clk_data->num; i++) {
ret = of_property_read_string_index(np, "clock-names", i,