[PATCH v1 17/19] pinctrl: st: Switch to use devm_kasprintf_strarray()
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2021-11-05 12:43:57
Also in:
linux-gpio, linux-rockchip, lkml
Subsystem:
arm/sti architecture, pin control subsystem, the rest · Maintainers:
Patrice Chotard, Linus Walleij, Linus Torvalds
Since we have a generic helper, switch the module to use it. As a side effect, add check for the memory allocation failures and cleanup it either in error case or when driver is unloading. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/pinctrl/pinctrl-st.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index 9cb0da88b098..0fea71fd9a00 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c@@ -1624,6 +1624,8 @@ static int st_pctl_probe_dt(struct platform_device *pdev, for_each_child_of_node(np, child) { if (of_property_read_bool(child, "gpio-controller")) { const char *bank_name = NULL; + char **pin_names; + ret = st_gpiolib_register_bank(info, bank, child); if (ret) { of_node_put(child);
@@ -1632,10 +1634,16 @@ static int st_pctl_probe_dt(struct platform_device *pdev, k = info->banks[bank].range.pin_base; bank_name = info->banks[bank].range.name; + + pin_names = devm_kasprintf_strarray(dev, bank_name, ST_GPIO_PINS_PER_BANK); + if (IS_ERR(pin_names)) { + of_node_put(child); + return PTR_ERR(pin_names); + } + for (j = 0; j < ST_GPIO_PINS_PER_BANK; j++, k++) { pdesc->number = k; - pdesc->name = kasprintf(GFP_KERNEL, "%s[%d]", - bank_name, j); + pdesc->name = pin_names[j]; pdesc++; } st_parse_syscfgs(info, bank, child);
--
2.33.0
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