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pinctrl: renesas: Fixes for v6.5 

- Fix handling of non-unique pin control configuration subnode names
     on the RZ/V2M and RZ/G2L SoC families.
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Merge tag 'renesas-pinctrl-fixes-for-v6.5-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into fixes

pinctrl: renesas: Fixes for v6.5

  - Fix handling of non-unique pin control configuration subnode names
    on the RZ/V2M and RZ/G2L SoC families.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2023-07-13 00:05:52 +02:00
parent 283c5ce7da bfc374a145
commit 04e601f2a7
2 changed files with 40 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/pinctrl/renesas/pinctrl-rzg2l.c
View File

@ -249,6 +249,7 @@ static int rzg2l_map_add_config(struct pinctrl_map *map,
static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
struct device_node *np,
struct device_node *parent,
struct pinctrl_map **map,
unsigned int *num_maps,
unsigned int *index)
@ -266,6 +267,7 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
struct property *prop;
int ret, gsel, fsel;
const char **pin_fn;
const char *name;
const char *pin;
pinmux = of_find_property(np, "pinmux", NULL);
@ -349,8 +351,19 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
psel_val[i] = MUX_FUNC(value);
}
if (parent) {
name = devm_kasprintf(pctrl->dev, GFP_KERNEL, "%pOFn.%pOFn",
parent, np);
if (!name) {
ret = -ENOMEM;
goto done;
}
} else {
name = np->name;
}
/* Register a single pin group listing all the pins we read from DT */
gsel = pinctrl_generic_add_group(pctldev, np->name, pins, num_pinmux, NULL);
gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL);
if (gsel < 0) {
ret = gsel;
goto done;
@ -360,17 +373,16 @@ static int rzg2l_dt_subnode_to_map(struct pinctrl_dev *pctldev,
* Register a single group function where the 'data' is an array PSEL
* register values read from DT.
*/
pin_fn[0] = np->name;
fsel = pinmux_generic_add_function(pctldev, np->name, pin_fn, 1,
psel_val);
pin_fn[0] = name;
fsel = pinmux_generic_add_function(pctldev, name, pin_fn, 1, psel_val);
if (fsel < 0) {
ret = fsel;
goto remove_group;
}
maps[idx].type = PIN_MAP_TYPE_MUX_GROUP;
maps[idx].data.mux.group = np->name;
maps[idx].data.mux.function = np->name;
maps[idx].data.mux.group = name;
maps[idx].data.mux.function = name;
idx++;
dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
@ -417,7 +429,7 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
index = 0;
for_each_child_of_node(np, child) {
ret = rzg2l_dt_subnode_to_map(pctldev, child, map,
ret = rzg2l_dt_subnode_to_map(pctldev, child, np, map,
num_maps, &index);
if (ret < 0) {
of_node_put(child);
@ -426,7 +438,7 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
}
if (*num_maps == 0) {
ret = rzg2l_dt_subnode_to_map(pctldev, np, map,
ret = rzg2l_dt_subnode_to_map(pctldev, np, NULL, map,
num_maps, &index);
if (ret < 0)
goto done;

28
drivers/pinctrl/renesas/pinctrl-rzv2m.c
View File

@ -209,6 +209,7 @@ static int rzv2m_map_add_config(struct pinctrl_map *map,
static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
struct device_node *np,
struct device_node *parent,
struct pinctrl_map **map,
unsigned int *num_maps,
unsigned int *index)
@ -226,6 +227,7 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
struct property *prop;
int ret, gsel, fsel;
const char **pin_fn;
const char *name;
const char *pin;
pinmux = of_find_property(np, "pinmux", NULL);
@ -309,8 +311,19 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
psel_val[i] = MUX_FUNC(value);
}
if (parent) {
name = devm_kasprintf(pctrl->dev, GFP_KERNEL, "%pOFn.%pOFn",
parent, np);
if (!name) {
ret = -ENOMEM;
goto done;
}
} else {
name = np->name;
}
/* Register a single pin group listing all the pins we read from DT */
gsel = pinctrl_generic_add_group(pctldev, np->name, pins, num_pinmux, NULL);
gsel = pinctrl_generic_add_group(pctldev, name, pins, num_pinmux, NULL);
if (gsel < 0) {
ret = gsel;
goto done;
@ -320,17 +333,16 @@ static int rzv2m_dt_subnode_to_map(struct pinctrl_dev *pctldev,
* Register a single group function where the 'data' is an array PSEL
* register values read from DT.
*/
pin_fn[0] = np->name;
fsel = pinmux_generic_add_function(pctldev, np->name, pin_fn, 1,
psel_val);
pin_fn[0] = name;
fsel = pinmux_generic_add_function(pctldev, name, pin_fn, 1, psel_val);
if (fsel < 0) {
ret = fsel;
goto remove_group;
}
maps[idx].type = PIN_MAP_TYPE_MUX_GROUP;
maps[idx].data.mux.group = np->name;
maps[idx].data.mux.function = np->name;
maps[idx].data.mux.group = name;
maps[idx].data.mux.function = name;
idx++;
dev_dbg(pctrl->dev, "Parsed %pOF with %d pins\n", np, num_pinmux);
@ -377,7 +389,7 @@ static int rzv2m_dt_node_to_map(struct pinctrl_dev *pctldev,
index = 0;
for_each_child_of_node(np, child) {
ret = rzv2m_dt_subnode_to_map(pctldev, child, map,
ret = rzv2m_dt_subnode_to_map(pctldev, child, np, map,
num_maps, &index);
if (ret < 0) {
of_node_put(child);
@ -386,7 +398,7 @@ static int rzv2m_dt_node_to_map(struct pinctrl_dev *pctldev,
}
if (*num_maps == 0) {
ret = rzv2m_dt_subnode_to_map(pctldev, np, map,
ret = rzv2m_dt_subnode_to_map(pctldev, np, NULL, map,
num_maps, &index);
if (ret < 0)
goto done;