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pinctrl: microchip-sgpio: add missing select REGMAP_MMIO

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The driver calls ocelot_regmap_from_resource() via <linux/mfd/ocelot.h>,
which internally uses devm_regmap_init_mmio() and requires REGMAP_MMIO.
The Kconfig entry does not select REGMAP_MMIO, causing a build failure
when no other driver in the config happens to pull in REGMAP_MMIO:

  include/linux/mfd/ocelot.h:34:24: error: implicit declaration of function 'devm_regmap_init_mmio'

Found by randconfig testing on arm64; tinyconfig reproducer below.

Fixes: 2afbbab45c ("pinctrl: microchip-sgpio: update to support regmap")
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Boortz <bennib@mailbox.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Linus Walleij <linusw@kernel.org>
This commit is contained in:
Benjamin Boortz 2026-07-19 11:41:46 +02:00 committed by Linus Walleij
parent 015b5bcbcb
commit 25cb6e9a13
1 changed files with 1 additions and 0 deletions
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drivers/pinctrl/Kconfig
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@ -426,6 +426,7 @@ config PINCTRL_MICROCHIP_SGPIO
select GENERIC_PINCONF
select GENERIC_PINCTRL_GROUPS
select GENERIC_PINMUX_FUNCTIONS
select REGMAP_MMIO
help
Support for the serial GPIO interface used on Microsemi and
Microchip SoCs. By using a serial interface, the SIO