diff options
Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-intel.c')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-intel.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 1ea3438ea67e..692c2bd1faed 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -7,11 +7,14 @@ * Mika Westerberg <mika.westerberg@linux.intel.com> */ +#include <linux/acpi.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/gpio/driver.h> #include <linux/log2.h> #include <linux/platform_device.h> +#include <linux/property.h> + #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> #include <linux/pinctrl/pinconf.h> @@ -1398,6 +1401,50 @@ int intel_pinctrl_probe(struct platform_device *pdev, } EXPORT_SYMBOL_GPL(intel_pinctrl_probe); +int intel_pinctrl_probe_by_hid(struct platform_device *pdev) +{ + const struct intel_pinctrl_soc_data *data; + + data = device_get_match_data(&pdev->dev); + return intel_pinctrl_probe(pdev, data); +} +EXPORT_SYMBOL_GPL(intel_pinctrl_probe_by_hid); + +int intel_pinctrl_probe_by_uid(struct platform_device *pdev) +{ + const struct intel_pinctrl_soc_data *data = NULL; + const struct intel_pinctrl_soc_data **table; + struct acpi_device *adev; + unsigned int i; + + adev = ACPI_COMPANION(&pdev->dev); + if (adev) { + const void *match = device_get_match_data(&pdev->dev); + + table = (const struct intel_pinctrl_soc_data **)match; + for (i = 0; table[i]; i++) { + if (!strcmp(adev->pnp.unique_id, table[i]->uid)) { + data = table[i]; + break; + } + } + } else { + const struct platform_device_id *id; + + id = platform_get_device_id(pdev); + if (!id) + return -ENODEV; + + table = (const struct intel_pinctrl_soc_data **)id->driver_data; + data = table[pdev->id]; + } + if (!data) + return -ENODEV; + + return intel_pinctrl_probe(pdev, data); +} +EXPORT_SYMBOL_GPL(intel_pinctrl_probe_by_uid); + #ifdef CONFIG_PM_SLEEP static bool intel_pinctrl_should_save(struct intel_pinctrl *pctrl, unsigned pin) { |