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gpio: exar: Allow IO port access

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It's possible that PCI device can provide an IO port resource for
the device. regmap MMIO currently uses MMIO by default. With an
additional flag we enable support for IO port accesses.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andy Shevchenko 2022-10-17 20:06:00 +03:00 committed by Bartosz Golaszewski
parent 1454a928b6
commit b4e83d3690
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-exar.c
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@ -141,6 +141,7 @@ static const struct regmap_config exar_regmap_config = {
.name = "exar-gpio",
.reg_bits = 16,
.val_bits = 8,
.io_port = true,
};
static int gpio_exar_probe(struct platform_device *pdev)