From: <gregkh@linuxfoundation.org>
To: mazziesaccount@gmail.com,Jonathan.Cameron@huawei.com,Stable@vger.kernel.org,bartosz.golaszewski@linaro.org,lkp@intel.com
Subject: patch "iio: adc: bd79124: Add GPIOLIB dependency" added to char-misc-linus
Date: Wed, 20 Aug 2025 11:05:35 +0200 [thread overview]
Message-ID: <2025082035-cycling-security-a6d4@gregkh> (raw)
This is a note to let you know that I've just added the patch titled
iio: adc: bd79124: Add GPIOLIB dependency
to my char-misc git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
in the char-misc-linus branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
From 8a6ededaad2d2dcaac8e545bffee1073dca9db95 Mon Sep 17 00:00:00 2001
From: Matti Vaittinen <mazziesaccount@gmail.com>
Date: Wed, 13 Aug 2025 12:16:06 +0300
Subject: iio: adc: bd79124: Add GPIOLIB dependency
The bd79124 has ADC inputs which can be muxed to be GPIOs. The driver
supports this by registering a GPIO-chip for channels which aren't used
as ADC.
The Kconfig entry does not handle the dependency to GPIOLIB, which
causes errors:
ERROR: modpost: "devm_gpiochip_add_data_with_key" [drivers/iio/adc/rohm-bd79124.ko] undefined!
ERROR: modpost: "gpiochip_get_data" [drivers/iio/adc/rohm-bd79124.ko] undefined!
at linking phase if GPIOLIB is not configured to be used.
Fix this by adding dependency to the GPIOLIB.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202508131533.5sSkq80B-lkp@intel.com/
Fixes: 3f57a3b9ab74 ("iio: adc: Support ROHM BD79124 ADC")
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://patch.msgid.link/6837249bddf358924e67566293944506206d2d62.1755076369.git.mazziesaccount@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/adc/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 6de2abad0197..24f2572c487e 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -1300,7 +1300,7 @@ config RN5T618_ADC
config ROHM_BD79124
tristate "Rohm BD79124 ADC driver"
- depends on I2C
+ depends on I2C && GPIOLIB
select REGMAP_I2C
select IIO_ADC_HELPER
help
--
2.50.1
reply other threads:[~2025-08-20 9:05 UTC|newest]
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