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SubjectRe: [PATCH V5 1/2] Thermal: Add ST-Ericsson DB8500 thermal driver.
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On Thu, 2012-11-15 at 16:32 +0800, Hongbo Zhang wrote:
> On 15 November 2012 16:13, Zhang Rui <rui.zhang@intel.com> wrote:
> > On Fri, 2012-11-09 at 19:29 +0800, hongbo.zhang wrote:
> >> From: "hongbo.zhang" <hongbo.zhang@linaro.com>
> >>
> >> This driver is based on the thermal management framework in thermal_sys.c. A
> >> thermal zone device is created with the trip points to which cooling devices
> >> can be bound, the current cooling device is cpufreq, e.g. CPU frequency is
> >> clipped down to cool the CPU, and other cooling devices can be added and bound
> >> to the trip points dynamically. The platform specific PRCMU interrupts are
> >> used to active thermal update when trip points are reached.
> >>
> >> Signed-off-by: hongbo.zhang <hongbo.zhang@linaro.com>
> >> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
> >> Reviewed-by: Francesco Lavra <francescolavra.fl@gmail.com>
> >
> >> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> >> index e1cb6bd..54c8fd0 100644
> >> --- a/drivers/thermal/Kconfig
> >> +++ b/drivers/thermal/Kconfig
> >> @@ -31,6 +31,26 @@ config CPU_THERMAL
> >> and not the ACPI interface.
> >> If you want this support, you should say Y here.
> >>
> >> +config DB8500_THERMAL
> >> + bool "DB8500 thermal management"
> >
> > why is this bool?
>
> platform specific PRCMU interfaces are used, and those interfaces are
> not exported, so my driver cannot be compiled as a module.
>
ok.
But I still alway get this error message when set DB8500_THERMAL,
include/linux/mfd/dbx500-prcmu.h:459:19: error: redefinition of
‘prcmu_abb_read’
include/linux/mfd/db8500-prcmu.h:673:19: note: previous definition of
‘prcmu_abb_read’ was here
include/linux/mfd/dbx500-prcmu.h:464:19: error: redefinition of
‘prcmu_abb_write’
include/linux/mfd/db8500-prcmu.h:678:19: note: previous definition of
‘prcmu_abb_write’ was here
include/linux/mfd/dbx500-prcmu.h:475:19: error: redefinition of
‘prcmu_config_clkout’
include/linux/mfd/db8500-prcmu.h:643:19: note: previous definition of
‘prcmu_config_clkout’ was here
include/linux/mfd/dbx500-prcmu.h:537:19: error: redefinition of
‘prcmu_ac_wake_req’
include/linux/mfd/db8500-prcmu.h:683:19: note: previous definition of
‘prcmu_ac_wake_req’ was here
include/linux/mfd/dbx500-prcmu.h:542:20: error: redefinition of
‘prcmu_ac_sleep_req’
include/linux/mfd/db8500-prcmu.h:688:20: note: previous definition of
‘prcmu_ac_sleep_req’ was here

$ grep prcmu_abb_read include/linux/mfd/*
include/linux/mfd/db8500-prcmu.h:int prcmu_abb_read(u8 slave, u8 reg, u8
*value, u8 size);
include/linux/mfd/db8500-prcmu.h:static inline int prcmu_abb_read(u8
slave, u8 reg, u8 *value, u8 size)
include/linux/mfd/dbx500-prcmu.h:int prcmu_abb_read(u8 slave, u8 reg, u8
*value, u8 size);
include/linux/mfd/dbx500-prcmu.h:static inline int prcmu_abb_read(u8
slave, u8 reg, u8 *value, u8 size)

this functions are defined in both db8500-prmcu.h and dbx500-prcmu.h,
plus linux/mfd/dbx500-prcmu.h includes linux/mfd/db8500-prcmu.h.

I do not know how it works before, but this is a bug to me.

thanks,
rui

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