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pinctrl: at91-pio4: Add persist state case in config
Adding persist state case to atmel_conf_pin_config_group_set() function. After adding configuration support for userspace gpiod api, there was an extra flag PIN_CONFIG_PERSIST_STATE that was not passed in before. Based on other drivers like TI drivers, added a switch case and return ENOTSUPP in that case. Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Tested-by: Nicolas Ferre <nicolas.ferre@microchip.com> Link: https://lore.kernel.org/r/20221007151647.98222-3-Ryan.Wanner@microchip.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -775,6 +775,8 @@ static int atmel_conf_pin_config_group_get(struct pinctrl_dev *pctldev,
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return -EINVAL;
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arg = (res & ATMEL_PIO_DRVSTR_MASK) >> ATMEL_PIO_DRVSTR_OFFSET;
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break;
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case PIN_CONFIG_PERSIST_STATE:
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return -ENOTSUPP;
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default:
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return -ENOTSUPP;
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}
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@ -883,6 +885,8 @@ static int atmel_conf_pin_config_group_set(struct pinctrl_dev *pctldev,
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dev_warn(pctldev->dev, "drive strength not updated (incorrect value)\n");
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}
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break;
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case PIN_CONFIG_PERSIST_STATE:
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return -ENOTSUPP;
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default:
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dev_warn(pctldev->dev,
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"unsupported configuration parameter: %u\n",
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