linux-kernel - [Suggestion] Makefile: about allmodconfig issue.

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Date:	Sat, 08 Mar 2014 21:07:15 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [Suggestion] Makefile: about allmodconfig issue.

Hello All:

"A module selects GENERIC_IRQ_CHIP and depend on IRQ_DOMAIN". For me,
it is a reasonable selection and dependency, but "make allmodconfig"
will report error. I guess it is the "Makefile allmodconfig" issue.

The related error report:

  [root@...en linux-next]# make ARCH=avr32 CROSS_COMPILE=/usr/local/bin/avr32-linux-  allmodconfig
    HOSTCC  scripts/basic/fixdep
    HOSTCC  scripts/kconfig/conf.o
    SHIPPED scripts/kconfig/zconf.tab.c
    SHIPPED scripts/kconfig/zconf.lex.c
    SHIPPED scripts/kconfig/zconf.hash.c
    HOSTCC  scripts/kconfig/zconf.tab.o
    HOSTLD  scripts/kconfig/conf
  scripts/kconfig/conf --allmodconfig Kconfig
  kernel/time/Kconfig:162:warning: range is invalid
  kernel/irq/Kconfig:41:error: recursive dependency detected!
  kernel/irq/Kconfig:41:  symbol GENERIC_IRQ_CHIP is selected by GPIO_DWAPB
  drivers/gpio/Kconfig:131:       symbol GPIO_DWAPB depends on IRQ_DOMAIN
  kernel/irq/Kconfig:46:  symbol IRQ_DOMAIN is selected by GENERIC_IRQ_CHIP
  

The related commit (7779b34 gpio: add a driver for the Synopsys DesignWare APB GPIO block):  

  +config GPIO_DWAPB
  +       tristate "Synopsys DesignWare APB GPIO driver"
  +       select GPIO_GENERIC
  +       select GENERIC_IRQ_CHIP
  +       depends on OF_GPIO && IRQ_DOMAIN



Welcome any suggestions, discussions and completions.

Thanks.
-- 
Chen Gang

Open, share and attitude like air, water and life which God blessed
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