On Sun, Oct 26, 2025 at 06:51:03PM -0400, Sasha Levin wrote:
From: William Breathitt Gray wbg@kernel.org
[ Upstream commit 2ba5772e530f73eb847fb96ce6c4017894869552 ]
The direction of the IDIO-16 GPIO lines is fixed with the first 16 lines as output and the remaining 16 lines as input. Set the gpio_config fixed_direction_output member to represent the fixed direction of the GPIO lines.
Fixes: db02247827ef ("gpio: idio-16: Migrate to the regmap API") Reported-by: Mark Cave-Ayland mark.caveayland@nutanix.com Closes: https://lore.kernel.org/r/9b0375fd-235f-4ee1-a7fa-daca296ef6bf@nutanix.com Suggested-by: Michael Walle mwalle@kernel.org Cc: stable@vger.kernel.org # ae495810cffe: gpio: regmap: add the .fixed_direction_output configuration parameter Cc: stable@vger.kernel.org Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Signed-off-by: William Breathitt Gray wbg@kernel.org Reviewed-by: Linus Walleij linus.walleij@linaro.org Link: https://lore.kernel.org/r/20251020-fix-gpio-idio-16-regmap-v2-3-ebeb50e93c33... Signed-off-by: Bartosz Golaszewski bartosz.golaszewski@linaro.org [ Adjust context ] Signed-off-by: Sasha Levin sashal@kernel.org
drivers/gpio/gpio-idio-16.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/gpio/gpio-idio-16.c b/drivers/gpio/gpio-idio-16.c index 2c95125892972..f7e557c2c9cd4 100644 --- a/drivers/gpio/gpio-idio-16.c +++ b/drivers/gpio/gpio-idio-16.c @@ -3,6 +3,7 @@
- GPIO library for the ACCES IDIO-16 family
- Copyright (C) 2022 William Breathitt Gray
*/ +#include <linux/bitmap.h> #include <linux/bits.h> #include <linux/device.h> #include <linux/err.h> @@ -106,6 +107,7 @@ int devm_idio_16_regmap_register(struct device *const dev, struct idio_16_data *data; struct regmap_irq_chip *chip; struct regmap_irq_chip_data *chip_data;
- DECLARE_BITMAP(fixed_direction_output, IDIO_16_NGPIO);
if (!config->parent) return -EINVAL; @@ -163,6 +165,9 @@ int devm_idio_16_regmap_register(struct device *const dev, gpio_config.irq_domain = regmap_irq_get_domain(chip_data); gpio_config.reg_mask_xlate = idio_16_reg_mask_xlate;
- bitmap_from_u64(fixed_direction_output, GENMASK_U64(15, 0));
- gpio_config.fixed_direction_output = fixed_direction_output;
- return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(dev, &gpio_config));
} EXPORT_SYMBOL_GPL(devm_idio_16_regmap_register); -- 2.51.0
Breaks the build :(