Messages in this thread | | | From | Bartosz Golaszewski <> | Date | Fri, 3 Jan 2020 12:43:30 +0100 | Subject | Re: Apparent Kconfig bug for Maxim 77650 driver |
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pt., 3 sty 2020 o 06:45 Paul Gazzillo <paul@pgazz.com> napisał(a): > > It seems there is a Kconfig issue that causing a linking error for drivers/mfd/max77650.c. It happens when CONFIG_MFD_MAX77650 is set (which controls drivers/mfd/max77650.c), but CONFIG_REGMAP_IRQ is not. CONFIG_REMAP_IRQ controls drivers/base/regmap/regmap-irq.c, which has functions called by max77650.c. > > In drivers/mfd/Kconfig, it looks like CONFIG_MFD_MAX77650 is meant to have "select CONFIG_REGMAP_IRQ" like several other configuration options from the same Kconfig file. > > Steps to reproduce the bug for next-20191220 (also happens on other versions, e.g., v5.4.4): > > 1. make allnoconfig # using x86 > 2. make menuconfig > a. Enable device drivers->i2c support > b. Enable device drivers->device tree and open firmware support > c. Enable device drivers->multifunction devices->maxim MAX77650 > 3. make # should have a build error when linking vmlinux > > This is the build error I get: > > ld: drivers/mfd/max77650.o: in function `max77650_i2c_probe': > max77650.c:(.text+0xcb): undefined reference to `devm_regmap_add_irq_chip' > ld: max77650.c:(.text+0xdb): undefined reference to `regmap_irq_get_domain' > make: *** [Makefile:1079: vmlinux] Error 1 > > Is this a real bug or am I doing something wrong? > > Best, > Paul
It's a bug, thanks for reporting. I just sent out a fix.
Best regards, Bartosz Golaszewski
PS please set your e-mail client to wrap lines around 80 characters when posting to LKML.
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