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pinctrl: sophgo: allocate power_cfg with priv

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Use a flexible array member to combine allocations and simplify code
slightly.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[linusw@kernel.org: add a counter and __counted_by() annotation]
Signed-off-by: Linus Walleij <linusw@kernel.org>
This commit is contained in:
Rosen Penev 2026-04-30 15:04:09 -07:00 committed by Linus Walleij
parent 13fffbc21e
commit 041e5ea203
1 changed files with 6 additions and 8 deletions
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14
drivers/pinctrl/sophgo/pinctrl-cv18xx.c
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@ -27,8 +27,9 @@
#include "pinctrl-cv18xx.h"
struct cv1800_priv {
u32 *power_cfg;
void __iomem *regs[2];
void __iomem *regs[2];
unsigned int num_power_cfg;
u32 power_cfg[] __counted_by(num_power_cfg);
};
static unsigned int cv1800_dt_get_pin_mux(u32 value)
@ -417,14 +418,11 @@ static int cv1800_pinctrl_init(struct platform_device *pdev,
const struct sophgo_pinctrl_data *pctrl_data = pctrl->data;
struct cv1800_priv *priv;
priv = devm_kzalloc(&pdev->dev, sizeof(struct cv1800_priv), GFP_KERNEL);
priv = devm_kzalloc(&pdev->dev, struct_size(priv, power_cfg, pctrl_data->npds),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->power_cfg = devm_kcalloc(&pdev->dev, pctrl_data->npds,
sizeof(u32), GFP_KERNEL);
if (!priv->power_cfg)
return -ENOMEM;
priv->num_power_cfg = pctrl_data->npds;
priv->regs[0] = devm_platform_ioremap_resource_byname(pdev, "sys");
if (IS_ERR(priv->regs[0]))