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pinctrl: freescale: Use scope based of_node_put() cleanups

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Use scope based of_node_put() cleanup to simplify code.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/20240627131721.678727-4-peng.fan@oss.nxp.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Peng Fan 2024-06-27 21:17:21 +08:00 committed by Linus Walleij
parent 2677d53d5c
commit cb3cb99a7f
3 changed files with 16 additions and 39 deletions
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25
drivers/pinctrl/freescale/pinctrl-imx.c
View File

@ -580,7 +580,6 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
u32 index)
{
struct pinctrl_dev *pctl = ipctl->pctl;
struct device_node *child;
struct function_desc *func;
struct group_desc *grp;
const char **group_names;
@ -605,17 +604,15 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
if (!group_names)
return -ENOMEM;
i = 0;
for_each_child_of_node(np, child)
for_each_child_of_node_scoped(np, child)
group_names[i++] = child->name;
func->func.groups = group_names;
i = 0;
for_each_child_of_node(np, child) {
for_each_child_of_node_scoped(np, child) {
grp = devm_kzalloc(ipctl->dev, sizeof(*grp), GFP_KERNEL);
if (!grp) {
of_node_put(child);
if (!grp)
return -ENOMEM;
}
mutex_lock(&ipctl->mutex);
radix_tree_insert(&pctl->pin_group_tree,
@ -635,21 +632,13 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
*/
static bool imx_pinctrl_dt_is_flat_functions(struct device_node *np)
{
struct device_node *function_np;
struct device_node *pinctrl_np;
for_each_child_of_node(np, function_np) {
if (of_property_read_bool(function_np, "fsl,pins")) {
of_node_put(function_np);
for_each_child_of_node_scoped(np, function_np) {
if (of_property_read_bool(function_np, "fsl,pins"))
return true;
}
for_each_child_of_node(function_np, pinctrl_np) {
if (of_property_read_bool(pinctrl_np, "fsl,pins")) {
of_node_put(pinctrl_np);
of_node_put(function_np);
for_each_child_of_node_scoped(function_np, pinctrl_np) {
if (of_property_read_bool(pinctrl_np, "fsl,pins"))
return false;
}
}
}

16
drivers/pinctrl/freescale/pinctrl-imx1-core.c
View File

@ -508,7 +508,6 @@ static int imx1_pinctrl_parse_functions(struct device_node *np,
struct imx1_pinctrl_soc_info *info,
u32 index)
{
struct device_node *child;
struct imx1_pmx_func *func;
struct imx1_pin_group *grp;
int ret;
@ -531,14 +530,12 @@ static int imx1_pinctrl_parse_functions(struct device_node *np,
if (!func->groups)
return -ENOMEM;
for_each_child_of_node(np, child) {
for_each_child_of_node_scoped(np, child) {
func->groups[i] = child->name;
grp = &info->groups[grp_index++];
ret = imx1_pinctrl_parse_groups(child, grp, info, i++);
if (ret == -ENOMEM) {
of_node_put(child);
if (ret == -ENOMEM)
return ret;
}
}
return 0;
@ -548,7 +545,6 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev,
struct imx1_pinctrl *pctl, struct imx1_pinctrl_soc_info *info)
{
struct device_node *np = pdev->dev.of_node;
struct device_node *child;
int ret;
u32 nfuncs = 0;
u32 ngroups = 0;
@ -557,7 +553,7 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev,
if (!np)
return -ENODEV;
for_each_child_of_node(np, child) {
for_each_child_of_node_scoped(np, child) {
++nfuncs;
ngroups += of_get_child_count(child);
}
@ -579,12 +575,10 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev,
if (!info->functions || !info->groups)
return -ENOMEM;
for_each_child_of_node(np, child) {
for_each_child_of_node_scoped(np, child) {
ret = imx1_pinctrl_parse_functions(child, info, ifunc++);
if (ret == -ENOMEM) {
of_node_put(child);
if (ret == -ENOMEM)
return -ENOMEM;
}
}
return 0;

14
drivers/pinctrl/freescale/pinctrl-mxs.c
View File

@ -490,16 +490,14 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev,
/* Get groups for each function */
idxf = 0;
fn = fnull;
for_each_child_of_node(np, child) {
for_each_child_of_node_scoped(np, child) {
if (is_mxs_gpio(child))
continue;
if (of_property_read_u32(child, "reg", &val)) {
ret = mxs_pinctrl_parse_group(pdev, child,
idxg++, NULL);
if (ret) {
of_node_put(child);
if (ret)
return ret;
}
continue;
}
@ -509,19 +507,15 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev,
f->ngroups,
sizeof(*f->groups),
GFP_KERNEL);
if (!f->groups) {
of_node_put(child);
if (!f->groups)
return -ENOMEM;
}
fn = child->name;
i = 0;
}
ret = mxs_pinctrl_parse_group(pdev, child, idxg++,
&f->groups[i++]);
if (ret) {
of_node_put(child);
if (ret)
return ret;
}
}
return 0;