Re: linux-next: build failure after merge of the voltage tree

[Liam Girdwood]

On Fri, 2011-05-27 at 12:58 -0700, Randy Dunlap wrote:
> On Fri, 27 May 2011 17:59:36 GMT Linux Kernel Mailing List wrote:
> 
> > Gitweb:     http://git.kernel.org/linus/c01e36dde4632e0a7474fddf0716f1e54f01f13e
> > Commit:     c01e36dde4632e0a7474fddf0716f1e54f01f13e
> > Parent:     327e15af15248563c896c16adad6fc6e04bb5a4d
> > Author:     Jorge Eduardo Candelaria <jedu@xxxxxxxxxxxxxxx>
> > AuthorDate: Wed May 11 01:43:02 2011 -0500
> > Committer:  Liam Girdwood <lrg@xxxxxxxxxxxxxxx>
> > CommitDate: Fri May 27 10:49:09 2011 +0100
> > 
> >     linux-next: build failure after merge of the voltage tree
> >     
> >     On May 10, 2011, at 9:27 PM, Stephen Rothwell wrote:
> >     
> >     > Hi Jorge,
> >     >
> >     > On Tue, 10 May 2011 12:30:36 -0500 Jorge Eduardo Candelaria <jedu@xxxxxxxxxxxxxxx> wrote:
> >     >>
> >     >> On May 10, 2011, at 3:38 AM, Liam Girdwood wrote:
> >     >>
> >     >>> On Tue, 2011-05-10 at 12:44 +1000, Stephen Rothwell wrote:
> >     >>>> Hi Liam,
> >     >>>>
> >     >>>> After merging the voltage tree, today's linux-next build (x86_64
> >     >>>> allmodconfig) failed like this:
> >     >>>>
> >     >>>> ERROR: "tps65910_gpio_init" [drivers/mfd/tps65910.ko] undefined!
> >     >>>> ERROR: "tps65910_irq_init" [drivers/mfd/tps65910.ko] undefined!
> >     >>>> ERROR: "irq_modify_status" [drivers/mfd/tps65910-irq.ko] undefined!
> >     >>>> ERROR: "irq_set_chip_and_handler_name" [drivers/mfd/tps65910-irq.ko] undefined!
> >     >>>> ERROR: "handle_edge_irq" [drivers/mfd/tps65910-irq.ko] undefined!
> >     >>>>
> >     >>>> I have used the voltage tree from next-20110509 for today.
> >     >>>
> >     >>> Jorge, could you send a fix for this today.
> >     >>
> >     >> The following patch should solve this:
> >     >>
> >     >> From: Jorge Eduardo Candelaria <jedu@xxxxxxxxxxxxxxx>
> >     >> MFD: Fix TPS65910 build
> >     >>
> >     >> Support for tps65910 as a module is not available. The driver can
> >     >> only be compiled as built-in. OTOH, the regulator driver can still
> >     >> be built as module without breaking the compilation.
> >     >>
> >     >> Signed-off-by: Jorge Eduardo Candelaria <jedu@xxxxxxxxxxxxxxx>
> >     >
> >     > Today (even with the above patch included) I got these errors from the
> >     > x86_64 allmodconfig build:
> >     >
> >     > tps65910.c:(.text+0xf4140): undefined reference to `i2c_master_send'
> >     > drivers/built-in.o: In function `tps65910_i2c_read':
> >     > tps65910.c:(.text+0xf41d2): undefined reference to `i2c_transfer'
> >     > drivers/built-in.o: In function `tps65910_i2c_init':
> >     > tps65910.c:(.init.text+0xcb83): undefined reference to `i2c_register_driver'
> >     > drivers/built-in.o: In function `tps65910_i2c_exit':
> >     > tps65910.c:(.exit.text+0x6e0): undefined reference to `i2c_del_driver'
> >     >
> >     > I have used the voltage tree from next-20110509 again today.
> >     
> >     Following patch should fix the dependency problems. Please review:
> >     
> >     From: Jorge Eduardo Candelaria <jedu@xxxxxxxxxxxxxxx>
> >     [PATCH] MFD: TPS65910: Fix I2C dependency
> >     
> >     TPS65910 driver can only be compiled built-in, so the I2C driver
> >     should be as well.
> >     
> >     Signed-off-by: Jorge Eduardo Candelaria <jedu@xxxxxxxxxxxxxxx>
> >     Signed-off-by: Liam Girdwood <lrg@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/mfd/Kconfig |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> > index 05f882f..4990a49 100644
> > --- a/drivers/mfd/Kconfig
> > +++ b/drivers/mfd/Kconfig
> > @@ -721,7 +721,7 @@ config MFD_PM8XXX_IRQ
> >  
> >  config MFD_TPS65910
> >  	bool "TPS65910 Power Management chip"
> > -	depends on I2C && GPIOLIB
> > +	depends on I2C=y && GPIOLIB
> >  	select MFD_CORE
> >  	help
> >  	  if you say yes here you get support for the TPS65910 series of
> > --
> 
> 
> Hi,
> 
> Current mainline build fails when GPIO is not enabled:
> 
> warning: (MFD_TPS65910) selects GPIO_TPS65910 which has unmet direct dependencies (GPIOLIB && MFD_TPS65910)
> 
> which causes:
> 
> In file included from drivers/gpio/tps65910-gpio.c:21:
> include/linux/mfd/tps65910.h:774: error: field 'gpio' has incomplete type
> drivers/gpio/tps65910-gpio.c: In function 'tps65910_gpio_get':
> drivers/gpio/tps65910-gpio.c:25: warning: type defaults to 'int' in declaration of '__mptr'
> drivers/gpio/tps65910-gpio.c:25: warning: initialization from incompatible pointer type
> drivers/gpio/tps65910-gpio.c: In function 'tps65910_gpio_set':
> drivers/gpio/tps65910-gpio.c:39: warning: type defaults to 'int' in declaration of '__mptr'
> drivers/gpio/tps65910-gpio.c:39: warning: initialization from incompatible pointer type
> drivers/gpio/tps65910-gpio.c: In function 'tps65910_gpio_output':
> drivers/gpio/tps65910-gpio.c:52: warning: type defaults to 'int' in declaration of '__mptr'
> drivers/gpio/tps65910-gpio.c:52: warning: initialization from incompatible pointer type
> drivers/gpio/tps65910-gpio.c: In function 'tps65910_gpio_input':
> drivers/gpio/tps65910-gpio.c:63: warning: type defaults to 'int' in declaration of '__mptr'
> drivers/gpio/tps65910-gpio.c:63: warning: initialization from incompatible pointer type
> drivers/gpio/tps65910-gpio.c: In function 'tps65910_gpio_init':
> drivers/gpio/tps65910-gpio.c:96: error: implicit declaration of function 'gpiochip_add'
> make[3]: *** [drivers/gpio/tps65910-gpio.o] Error 1
> make[2]: *** [drivers/gpio] Error 2
> make[1]: *** [drivers] Error 2
> 
> 

Hi,

gah, looks this was broken by moving the tps65910 gpio directory move.

This should fix it though:-

From: Liam Girdwood <lrg@xxxxxx>
Date: Fri, 27 May 2011 22:06:52 +0100
Subject: [PATCH] mfd: tps65910 - fix build breakage caused by tps65910 gpio directory move.

Signed-off-by: Liam Girdwood <lrg@xxxxxx>
---
 drivers/mfd/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b6c2677..0f09c05 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -721,7 +721,7 @@ config MFD_PM8XXX_IRQ
 
 config MFD_TPS65910
 	bool "TPS65910 Power Management chip"
-	depends on I2C=y
+	depends on I2C=y && GPIOLIB
 	select MFD_CORE
 	select GPIO_TPS65910
 	help
-- 
1.7.4.1

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