diff options
Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-intel.c')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-intel.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 04b438f63ccb..d68cef4ec52a 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -9,6 +9,7 @@ #include <linux/acpi.h> #include <linux/cleanup.h> +#include <linux/export.h> #include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/log2.h> @@ -158,7 +159,7 @@ const struct intel_community *intel_get_community(const struct intel_pinctrl *pc dev_warn(pctrl->dev, "failed to find community for pin %u\n", pin); return NULL; } -EXPORT_SYMBOL_NS_GPL(intel_get_community, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_community, "PINCTRL_INTEL"); static const struct intel_padgroup * intel_community_get_padgroup(const struct intel_community *community, @@ -315,7 +316,7 @@ int intel_get_groups_count(struct pinctrl_dev *pctldev) return pctrl->soc->ngroups; } -EXPORT_SYMBOL_NS_GPL(intel_get_groups_count, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_groups_count, "PINCTRL_INTEL"); const char *intel_get_group_name(struct pinctrl_dev *pctldev, unsigned int group) { @@ -323,7 +324,7 @@ const char *intel_get_group_name(struct pinctrl_dev *pctldev, unsigned int group return pctrl->soc->groups[group].grp.name; } -EXPORT_SYMBOL_NS_GPL(intel_get_group_name, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_group_name, "PINCTRL_INTEL"); int intel_get_group_pins(struct pinctrl_dev *pctldev, unsigned int group, const unsigned int **pins, unsigned int *npins) @@ -334,7 +335,7 @@ int intel_get_group_pins(struct pinctrl_dev *pctldev, unsigned int group, *npins = pctrl->soc->groups[group].grp.npins; return 0; } -EXPORT_SYMBOL_NS_GPL(intel_get_group_pins, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_group_pins, "PINCTRL_INTEL"); static void intel_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned int pin) @@ -400,7 +401,7 @@ int intel_get_functions_count(struct pinctrl_dev *pctldev) return pctrl->soc->nfunctions; } -EXPORT_SYMBOL_NS_GPL(intel_get_functions_count, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_functions_count, "PINCTRL_INTEL"); const char *intel_get_function_name(struct pinctrl_dev *pctldev, unsigned int function) { @@ -408,7 +409,7 @@ const char *intel_get_function_name(struct pinctrl_dev *pctldev, unsigned int fu return pctrl->soc->functions[function].func.name; } -EXPORT_SYMBOL_NS_GPL(intel_get_function_name, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_function_name, "PINCTRL_INTEL"); int intel_get_function_groups(struct pinctrl_dev *pctldev, unsigned int function, const char * const **groups, unsigned int * const ngroups) @@ -419,7 +420,7 @@ int intel_get_function_groups(struct pinctrl_dev *pctldev, unsigned int function *ngroups = pctrl->soc->functions[function].func.ngroups; return 0; } -EXPORT_SYMBOL_NS_GPL(intel_get_function_groups, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_get_function_groups, "PINCTRL_INTEL"); static int intel_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned int function, unsigned int group) @@ -1033,8 +1034,8 @@ static int intel_gpio_get(struct gpio_chip *chip, unsigned int offset) return !!(padcfg0 & PADCFG0_GPIORXSTATE); } -static void intel_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) +static int intel_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct intel_pinctrl *pctrl = gpiochip_get_data(chip); void __iomem *reg; @@ -1043,11 +1044,11 @@ static void intel_gpio_set(struct gpio_chip *chip, unsigned int offset, pin = intel_gpio_to_pin(pctrl, offset, NULL, NULL); if (pin < 0) - return; + return -EINVAL; reg = intel_get_padcfg(pctrl, pin, PADCFG0); if (!reg) - return; + return -EINVAL; guard(raw_spinlock_irqsave)(&pctrl->lock); @@ -1057,6 +1058,8 @@ static void intel_gpio_set(struct gpio_chip *chip, unsigned int offset, else padcfg0 &= ~PADCFG0_GPIOTXSTATE; writel(padcfg0, reg); + + return 0; } static int intel_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) @@ -1094,7 +1097,12 @@ static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned int offse static int intel_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) { - intel_gpio_set(chip, offset, value); + int ret; + + ret = intel_gpio_set(chip, offset, value); + if (ret) + return ret; + return pinctrl_gpio_direction_output(chip, offset); } @@ -1543,7 +1551,6 @@ static int intel_pinctrl_probe_pwm(struct intel_pinctrl *pctrl, .clk_rate = 19200000, .npwm = 1, .base_unit_bits = 22, - .bypass = true, }; struct pwm_chip *chip; @@ -1577,8 +1584,8 @@ int intel_pinctrl_probe(struct platform_device *pdev, * to the registers. */ pctrl->ncommunities = pctrl->soc->ncommunities; - pctrl->communities = devm_kcalloc(dev, pctrl->ncommunities, - sizeof(*pctrl->communities), GFP_KERNEL); + pctrl->communities = devm_kmemdup_array(dev, pctrl->soc->communities, pctrl->ncommunities, + sizeof(*pctrl->soc->communities), GFP_KERNEL); if (!pctrl->communities) return -ENOMEM; @@ -1588,8 +1595,6 @@ int intel_pinctrl_probe(struct platform_device *pdev, u32 offset; u32 value; - *community = pctrl->soc->communities[i]; - regs = devm_platform_ioremap_resource(pdev, community->barno); if (IS_ERR(regs)) return PTR_ERR(regs); @@ -1676,7 +1681,7 @@ int intel_pinctrl_probe(struct platform_device *pdev, return 0; } -EXPORT_SYMBOL_NS_GPL(intel_pinctrl_probe, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_pinctrl_probe, "PINCTRL_INTEL"); int intel_pinctrl_probe_by_hid(struct platform_device *pdev) { @@ -1688,7 +1693,7 @@ int intel_pinctrl_probe_by_hid(struct platform_device *pdev) return intel_pinctrl_probe(pdev, data); } -EXPORT_SYMBOL_NS_GPL(intel_pinctrl_probe_by_hid, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_pinctrl_probe_by_hid, "PINCTRL_INTEL"); int intel_pinctrl_probe_by_uid(struct platform_device *pdev) { @@ -1700,7 +1705,7 @@ int intel_pinctrl_probe_by_uid(struct platform_device *pdev) return intel_pinctrl_probe(pdev, data); } -EXPORT_SYMBOL_NS_GPL(intel_pinctrl_probe_by_uid, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_pinctrl_probe_by_uid, "PINCTRL_INTEL"); const struct intel_pinctrl_soc_data *intel_pinctrl_get_soc_data(struct platform_device *pdev) { @@ -1731,7 +1736,7 @@ const struct intel_pinctrl_soc_data *intel_pinctrl_get_soc_data(struct platform_ return data ?: ERR_PTR(-ENODATA); } -EXPORT_SYMBOL_NS_GPL(intel_pinctrl_get_soc_data, PINCTRL_INTEL); +EXPORT_SYMBOL_NS_GPL(intel_pinctrl_get_soc_data, "PINCTRL_INTEL"); static bool __intel_gpio_is_direct_irq(u32 value) { @@ -1941,3 +1946,4 @@ MODULE_AUTHOR("Mathias Nyman <mathias.nyman@linux.intel.com>"); MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>"); MODULE_DESCRIPTION("Intel pinctrl/GPIO core driver"); MODULE_LICENSE("GPL v2"); +MODULE_IMPORT_NS("PWM_LPSS"); |