linux-kernel - [PATCH v1] drivers: pinctrl: qcom: fix Kconfig dependency on GPIOLIB

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Message-Id: <20210225083306.25792-1-julianbraha@gmail.com>
Date:   Thu, 25 Feb 2021 03:33:06 -0500
From:   Julian Braha <julianbraha@...il.com>
To:     linus.walleij@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: [PATCH v1] drivers: pinctrl: qcom: fix Kconfig dependency on GPIOLIB

When PINCTRL_MSM is enabled, and GPIOLIB is disabled,
Kbuild gives the following warning:

WARNING: unmet direct dependencies detected for GPIOLIB_IRQCHIP
  Depends on [n]: GPIOLIB [=n]
  Selected by [y]:
  - PINCTRL_MSM [=y] && PINCTRL [=y] && (ARCH_QCOM || COMPILE_TEST [=y])

This is because PINCTRL_MSM selects GPIOLIB_IRQCHIP,
without selecting or depending on GPIOLIB, despite
GPIOLIB_IRQCHIP depending on GPIOLIB. Having PINCTRL_MSM
select GPIOLIB will cause a recursive dependency error.

Signed-off-by: Julian Braha <julianbraha@...il.com>
---
 drivers/pinctrl/qcom/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 6853a896c476..d42ac59875ab 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -3,7 +3,7 @@ if (ARCH_QCOM || COMPILE_TEST)

 config PINCTRL_MSM
 	tristate "Qualcomm core pin controller driver"
-	depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y
+	depends on GPIOLIB && (QCOM_SCM || !QCOM_SCM) #if QCOM_SCM=m this can't be =y
 	select PINMUX
 	select PINCONF
 	select GENERIC_PINCONF
--
2.27.0