linux-kernel - Re: [PATCH] staging: android ion/hisi: fix dependencies

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Date:   Fri, 16 Sep 2016 07:55:47 +0530
From:   Sumit Semwal <sumit.semwal@...aro.org>
To:     Laura Abbott <labbott@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Riley Andrews <riandrews@...roid.com>,
        Chen Feng <puck.chen@...ilicon.com>,
        devel@...verdev.osuosl.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: android ion/hisi: fix dependencies

On 16 September 2016 at 07:40, Laura Abbott <labbott@...hat.com> wrote:
> On 09/15/2016 08:57 AM, Arnd Bergmann wrote:
>>
>> The newly added Hi6220 Ion code fails to build when the ION_OF helpers
>> are not present:
>>
>> drivers/staging/android/ion/hisilicon/hi6220_ion.o: In function
>> `hi6220_ion_remove':
>> hi6220_ion.c:(.text.hi6220_ion_remove+0x4c): undefined reference to
>> `ion_destroy_platform_data'
>> drivers/staging/android/ion/hisilicon/hi6220_ion.o: In function
>> `hi6220_ion_probe':
>> hi6220_ion.c:(.text.hi6220_ion_probe+0x5c): undefined reference to
>> `ion_parse_dt'
>> hi6220_ion.c:(.text.hi6220_ion_probe+0xf8): undefined reference to
>> `ion_destroy_platform_data'
>>
>> This selects the symbol when needed.
>>
>
> Acked-by: Laura Abbott <labbott@...hat.com>
>
Reviewed-by: Sumit Semwal <sumit.semwal@...aro.org>
>
>> Signed-off-by: Arnd Bergmann <arnd@...db.de>
>> Fixes: 2b40182a19bc ("staging: android: ion: Add ion driver for Hi6220 SoC
>> platform")
>> ---
>>  drivers/staging/android/ion/Kconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/staging/android/ion/Kconfig
>> b/drivers/staging/android/ion/Kconfig
>> index 94105544feef..c8fb4134c55d 100644
>> --- a/drivers/staging/android/ion/Kconfig
>> +++ b/drivers/staging/android/ion/Kconfig
>> @@ -36,6 +36,7 @@ config ION_TEGRA
>>  config ION_HISI
>>         tristate "Ion for Hisilicon"
>>         depends on ARCH_HISI && ION
>> +       select ION_OF
>>         help
>>           Choose this option if you wish to use ion on Hisilicon Platform.
>>
>>
>