linux-kernel - Re: [PATCH 3/3] ARM: omap2: move platform-specific asm-offset.h to arch/arm/mach-omap2

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Date:   Tue, 9 Apr 2019 10:44:05 +0530
From:   Keerthy <j-keerthy@...com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Tony Lindgren <tony@...mide.com>, arm-soc <arm@...nel.org>,
        Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>
CC:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux-OMAP <linux-omap@...r.kernel.org>,
        Russell King <linux@...linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dave Gerlach <d-gerlach@...com>
Subject: Re: [PATCH 3/3] ARM: omap2: move platform-specific asm-offset.h to
 arch/arm/mach-omap2



On 09/04/19 10:37 AM, Masahiro Yamada wrote:
> On Tue, Apr 9, 2019 at 2:00 PM Keerthy <j-keerthy@...com> wrote:
>>
>>
>>
>> On 08/04/19 9:48 PM, Tony Lindgren wrote:
>>> Hi,
>>>
>>> * Masahiro Yamada <yamada.masahiro@...ionext.com> [190408 07:56]:
>>>> <generated/ti-pm-asm-offsets.h> is only generated and included
>>>> by arch/arm/mach-omap2/, so it does not need to reside in the
>>>> globally visible include/generated/.
>>>>
>>>> I moved and renamed it to arch/arm/mach-omap2/pm-asm-offsets.h
>>>> since the prefix 'omap2-' is just redundant in mach-omap2/.
>>>>
>>>> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
>>>> ---
>>>>
>>>> Can this be applied to ARM-SOC tree in a series?
>>>> (with Ack from the platform sub-maintainer.)
>>>>
>>>> ti-pm-asm-offsets.h does not need to reside in include/generated/,
>>>> but you may ask "Why must it get out of include/generated/?"
>>>>
>>>> My main motivation is to avoid a race condition in the currently
>>>> proposed patch:
>>>>
>>>> https://lore.kernel.org/patchwork/patch/1052763/
>>>>
>>>> This patch tries to embed some build artifacts into the kernel.
>>>>
>>>> If arch/arm/mach-omap2/ and kernel/ are built at the same time,
>>>> it may embed a truncated file.
>>>
>>> Looks like a nice improvment to me, adding Keerthy and Dave to Cc.
>>>
>>> Keerthy and Dave, can you please test this series with am3 and am4
>>> PM code?
>>
>> Tested for Deep Sleep0 on AM33xx Beaglebone-black.
>> Tested for Deep Sleep0 on AM437x-gp-evm.
>>
>> Applied this on top of Tony's for-next with the gpio patch
>> required for RTC+DDR mode on am437x-gp-evm.
> 
> Was it applied to TI tree?
> 
> If so ...
> 
> Arnd, Olof,
> Please just ignore this patch
> since it looks it was already applied to TI tree.

Masahiro Yamada,

No i manually applied this on top.

Regards,
Keerthy

> 
> Thanks.
> Masahiro Yamada
> 
> 
> 
> 
>> Tested-by: Keerthy <j-keerthy@...com>
>>
>>>
>>> Regards,
>>>
>>> Tony
>>>
>>>>    arch/arm/mach-omap2/.gitignore  | 1 +
>>>>    arch/arm/mach-omap2/Makefile    | 5 +++--
>>>>    arch/arm/mach-omap2/sleep33xx.S | 2 +-
>>>>    arch/arm/mach-omap2/sleep43xx.S | 2 +-
>>>>    4 files changed, 6 insertions(+), 4 deletions(-)
>>>>    create mode 100644 arch/arm/mach-omap2/.gitignore
>>>>
>>>> diff --git a/arch/arm/mach-omap2/.gitignore b/arch/arm/mach-omap2/.gitignore
>>>> new file mode 100644
>>>> index 000000000000..79a8d6ea7152
>>>> --- /dev/null
>>>> +++ b/arch/arm/mach-omap2/.gitignore
>>>> @@ -0,0 +1 @@
>>>> +pm-asm-offsets.h
>>>> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
>>>> index 85d1b13c9215..26baeb6477af 100644
>>>> --- a/arch/arm/mach-omap2/Makefile
>>>> +++ b/arch/arm/mach-omap2/Makefile
>>>> @@ -236,9 +236,10 @@ obj-y                                   += omap_phy_internal.o
>>>>
>>>>    obj-$(CONFIG_MACH_OMAP2_TUSB6010)  += usb-tusb6010.o
>>>>
>>>> -include/generated/ti-pm-asm-offsets.h: arch/arm/mach-omap2/pm-asm-offsets.s FORCE
>>>> +$(obj)/pm-asm-offsets.h: $(obj)/pm-asm-offsets.s FORCE
>>>>       $(call filechk,offsets,__TI_PM_ASM_OFFSETS_H__)
>>>>
>>>> -$(obj)/sleep33xx.o $(obj)/sleep43xx.o: include/generated/ti-pm-asm-offsets.h
>>>> +$(obj)/sleep33xx.o $(obj)/sleep43xx.o: $(obj)/pm-asm-offsets.h
>>>>
>>>>    targets += pm-asm-offsets.s
>>>> +clean-files += pm-asm-offsets.h
>>>> diff --git a/arch/arm/mach-omap2/sleep33xx.S b/arch/arm/mach-omap2/sleep33xx.S
>>>> index 47a816468cdb..a003769121aa 100644
>>>> --- a/arch/arm/mach-omap2/sleep33xx.S
>>>> +++ b/arch/arm/mach-omap2/sleep33xx.S
>>>> @@ -6,7 +6,6 @@
>>>>     * Dave Gerlach, Vaibhav Bedia
>>>>     */
>>>>
>>>> -#include <generated/ti-pm-asm-offsets.h>
>>>>    #include <linux/linkage.h>
>>>>    #include <linux/platform_data/pm33xx.h>
>>>>    #include <linux/ti-emif-sram.h>
>>>> @@ -15,6 +14,7 @@
>>>>
>>>>    #include "iomap.h"
>>>>    #include "cm33xx.h"
>>>> +#include "pm-asm-offsets.h"
>>>>
>>>>    #define AM33XX_CM_CLKCTRL_MODULESTATE_DISABLED                     0x00030000
>>>>    #define AM33XX_CM_CLKCTRL_MODULEMODE_DISABLE                       0x0003
>>>> diff --git a/arch/arm/mach-omap2/sleep43xx.S b/arch/arm/mach-omap2/sleep43xx.S
>>>> index 5b9343b58fc7..aa288f361c5e 100644
>>>> --- a/arch/arm/mach-omap2/sleep43xx.S
>>>> +++ b/arch/arm/mach-omap2/sleep43xx.S
>>>> @@ -6,7 +6,6 @@
>>>>     * Dave Gerlach, Vaibhav Bedia
>>>>     */
>>>>
>>>> -#include <generated/ti-pm-asm-offsets.h>
>>>>    #include <linux/linkage.h>
>>>>    #include <linux/ti-emif-sram.h>
>>>>    #include <linux/platform_data/pm33xx.h>
>>>> @@ -19,6 +18,7 @@
>>>>    #include "iomap.h"
>>>>    #include "omap-secure.h"
>>>>    #include "omap44xx.h"
>>>> +#include "pm-asm-offsets.h"
>>>>    #include "prm33xx.h"
>>>>    #include "prcm43xx.h"
>>>>
>>>> --
>>>> 2.17.1
>>>>
> 
> 
> 
> --
> Best Regards
> Masahiro Yamada
>