linux-kernel - Re: [PATCH v6 0/7] Add Mediatek MMC driver

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Date:	Wed, 17 Jun 2015 17:01:33 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Chaotian Jing <chaotian.jing@...iatek.com>,
	Rob Herring <robh+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Chris Ball <chris@...ntf.net>,
	Mark Rutland <mark.rutland@....com>,
	James Liao <jamesjj.liao@...iatek.com>,
	srv_heupstream <srv_heupstream@...iatek.com>,
	Arnd Bergmann <arnd@...db.de>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Hongzhou Yang <hongzhou.yang@...iatek.com>,
	Catalin Marinas <catalin.marinas@....com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	Will Deacon <will.deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	"Joe.C" <yingjoe.chen@...iatek.com>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Bin Zhang (章斌) <bin.zhang@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-mediatek@...ts.infradead.org,
	Russell King - ARM Linux <linux@....linux.org.uk>
Subject: Re: [PATCH v6 0/7] Add Mediatek MMC driver

On Tue, Jun 16, 2015 at 4:03 AM, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> On 15 June 2015 at 13:20, Chaotian Jing <chaotian.jing@...iatek.com> wrote:
>> This series enables MMC support on the MT8135/MT8173 platform.
>> MT8135 has 5 MMC controllers and MT8173 has 4 MMC controllers.
>>
>> Changes base on Ulf's comments
>> Make hclk mandatory in the driver code
>> Change host->hclk to host->src_clk_freq
>> Add linux/pm.h
>>
>> Chaotian Jing (3):
>>   mmc: dt-bindings: add Mediatek MMC bindings
>>   mmc: mediatek: Add Mediatek MMC driver.

This commit breaks when merged to linux-next since it gets
exposed as an implicit module.h user that does not include
that header:

   drivers/mmc/host/mtk-sd.c:1459:1: note: in expansion of macro
'module_platform_driver'
    module_platform_driver(mt_msdc_driver);
    ^
   include/linux/device.h:1296:1: error: type defaults to 'int' in
declaration of 'module_init' [-Werror=implicit-int]
    module_init(__driver##_init); \
    ^

Since the code doesn't exist in mainline, I can't fix it from
within my header cleanup series, so can you please add
an appropriate include of module.h to the above?

Also, I noticed the Makefile addition from this commit
is whitespace mangled; might as well fix that too if
rebasing to fix the include problem.

Thanks,
Paul.
--

>>   mmc: mediatek: Add PM support for MMC driver
>>
>> Eddie Huang (2):
>>   arm64: dts: mediatek: Add MT8173 MMC dts
>>   arm64: mediatek: Add Mediatek MMC support in defconfig
>>
>> Yingjoe Chen (2):
>>   ARM: mediatek: dts: Add emmc support to mt8135
>>   ARM: multi_v7_defconfig: Enable Mediatek MMC support multi-v7
>>
>>  Documentation/devicetree/bindings/mmc/mtk-sd.txt |   32 +
>>  arch/arm/boot/dts/mt8135-evbp1.dts               |  158 +++
>>  arch/arm/boot/dts/mt8135.dtsi                    |   55 +
>>  arch/arm/configs/multi_v7_defconfig              |    1 +
>>  arch/arm64/boot/dts/mediatek/mt8173-evb.dts      |  126 ++
>>  arch/arm64/boot/dts/mediatek/mt8173.dtsi         |   45 +-
>>  arch/arm64/configs/defconfig                     |    1 +
>>  drivers/mmc/host/Kconfig                         |    8 +
>>  drivers/mmc/host/Makefile                        |    1 +
>>  drivers/mmc/host/mtk-sd.c                        | 1461 ++++++++++++++++++++++
>>  include/linux/mmc/core.h                         |    1 +
>>  11 files changed, 1888 insertions(+), 1 deletion(-)
>>  create mode 100644 Documentation/devicetree/bindings/mmc/mtk-sd.txt
>>  create mode 100644 drivers/mmc/host/mtk-sd.c
>>
>> --
>> 1.8.1.1.dirty
>>
>
> Hi Chaotian,
>
> I have applied patch 1->3 for my next branch, which thus includes the
> mmc driver parts. I could potentially also pick the ARM patches, but
> then those needs to be acked from the ARM SoC folks.
>
> Kind regards
> Uffe
> --
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