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From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: Sui Jingfeng <15330273260@189.cn>,
	kernel test robot <lkp@intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Roland Scheidegger <sroland@vmware.com>,
	Zack Rusin <zackr@vmware.com>,
	Christian Gmeiner <christian.gmeiner@gmail.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Rob Herring <robh+dt@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Dan Carpenter <error27@gmail.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	"David S . Miller" <davem@davemloft.net>,
	Lucas Stach <l.stach@pengutronix.de>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Ilia Mirkin <imirkin@alum.mit.edu>,
	Qing Zhang <zhangqing@loongson.cn>,
	suijingfeng <suijingfeng@loongson.cn>
Cc: kbuild-all@lists.01.org, devicetree@vger.kernel.org,
	linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v13 5/6] drm/loongson: add drm driver for loongson display controller
Date: Mon, 28 Mar 2022 11:01:36 +0100	[thread overview]
Message-ID: <44408f8f-20ac-a558-ece9-d14c7b99ca50@flygoat.com> (raw)
In-Reply-To: <efc756c5-9ea3-66df-4885-82f57ff31b1f@189.cn>



在 2022/3/28 10:01, Sui Jingfeng 写道:
>
> On 2022/3/28 16:51, kernel test robot wrote:
>> Hi Sui,
[...]
>>
>
> Hi,  my driver will not used on microblaze arch,
>
> what does this warnings means, do i need to fix this?

Hi Jingfeng,

The problem it discovered is general for all archs.

Type of reg_base (MMIO pointer) should be "void __iomem *" instead of 
"void *"
everywhere, including parameter list.

__iomem is the attribute for MMIO.

Thanks.
- Jiaxun


WARNING: multiple messages have this Message-ID (diff)
From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: Sui Jingfeng <15330273260@189.cn>,
	kernel test robot <lkp@intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Roland Scheidegger <sroland@vmware.com>,
	Zack Rusin <zackr@vmware.com>,
	Christian Gmeiner <christian.gmeiner@gmail.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Rob Herring <robh+dt@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Dan Carpenter <error27@gmail.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>,
	Sam Ravnborg <sam@ravnborg.org>,
	"David S . Miller" <davem@davemloft.net>,
	Lucas Stach <l.stach@pengutronix.de>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Ilia Mirkin <imirkin@alum.mit.edu>,
	Qing Zhang <zhangqing@loongson.cn>,
	suijingfeng <suijingfeng@loongson.cn>
Cc: devicetree@vger.kernel.org, kbuild-all@lists.01.org,
	linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v13 5/6] drm/loongson: add drm driver for loongson display controller
Date: Mon, 28 Mar 2022 11:01:36 +0100	[thread overview]
Message-ID: <44408f8f-20ac-a558-ece9-d14c7b99ca50@flygoat.com> (raw)
In-Reply-To: <efc756c5-9ea3-66df-4885-82f57ff31b1f@189.cn>



在 2022/3/28 10:01, Sui Jingfeng 写道:
>
> On 2022/3/28 16:51, kernel test robot wrote:
>> Hi Sui,
[...]
>>
>
> Hi,  my driver will not used on microblaze arch,
>
> what does this warnings means, do i need to fix this?

Hi Jingfeng,

The problem it discovered is general for all archs.

Type of reg_base (MMIO pointer) should be "void __iomem *" instead of 
"void *"
everywhere, including parameter list.

__iomem is the attribute for MMIO.

Thanks.
- Jiaxun


WARNING: multiple messages have this Message-ID (diff)
From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v13 5/6] drm/loongson: add drm driver for loongson display controller
Date: Mon, 28 Mar 2022 11:01:36 +0100	[thread overview]
Message-ID: <44408f8f-20ac-a558-ece9-d14c7b99ca50@flygoat.com> (raw)
In-Reply-To: <efc756c5-9ea3-66df-4885-82f57ff31b1f@189.cn>

[-- Attachment #1: Type: text/plain, Size: 490 bytes --]



在 2022/3/28 10:01, Sui Jingfeng 写道:
>
> On 2022/3/28 16:51, kernel test robot wrote:
>> Hi Sui,
[...]
>>
>
> Hi,  my driver will not used on microblaze arch,
>
> what does this warnings means, do i need to fix this?

Hi Jingfeng,

The problem it discovered is general for all archs.

Type of reg_base (MMIO pointer) should be "void __iomem *" instead of 
"void *"
everywhere, including parameter list.

__iomem is the attribute for MMIO.

Thanks.
- Jiaxun

  reply	other threads:[~2022-03-28 10:01 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-28  2:28 [PATCH v13 1/6] MIPS: Loongson64: dts: update the display controller device node Sui Jingfeng
2022-03-28  2:28 ` Sui Jingfeng
2022-03-28  2:28 ` [PATCH v13 2/6] MIPS: Loongson64: introduce board specific dts and add model property Sui Jingfeng
2022-03-28  2:28   ` Sui Jingfeng
2022-03-28  2:28 ` [PATCH v13 3/6] dt-bindings: display: Add Loongson display controller Sui Jingfeng
2022-03-28  2:28   ` Sui Jingfeng
2022-03-29 13:27   ` Rob Herring
2022-03-29 13:27     ` Rob Herring
2022-03-30  3:46     ` Sui Jingfeng
2022-03-30  3:46       ` Sui Jingfeng
2022-03-30  9:01       ` Jiaxun Yang
2022-03-30  9:01         ` Jiaxun Yang
2022-03-28  2:28 ` [PATCH v13 4/6] MIPS: Loongson64: defconfig: enable display bridge drivers Sui Jingfeng
2022-03-28  2:28   ` Sui Jingfeng
2022-03-28  2:28 ` [PATCH v13 5/6] drm/loongson: add drm driver for loongson display controller Sui Jingfeng
2022-03-28  2:28   ` Sui Jingfeng
2022-03-28  8:51   ` kernel test robot
2022-03-28  8:51     ` kernel test robot
2022-03-28  9:01     ` Sui Jingfeng
2022-03-28  9:01       ` Sui Jingfeng
2022-03-28  9:01       ` Sui Jingfeng
2022-03-28 10:01       ` Jiaxun Yang [this message]
2022-03-28 10:01         ` Jiaxun Yang
2022-03-28 10:01         ` Jiaxun Yang
2022-03-28  2:28 ` [PATCH v13 6/6] MAINTAINERS: add maintainers for DRM LSDC driver Sui Jingfeng
2022-03-28  2:28   ` Sui Jingfeng
  -- strict thread matches above, loose matches on Subject: below --
2022-03-27 14:40 [PATCH v13 0/6] drm/loongson: add drm driver for loongson display controller Sui Jingfeng
2022-03-27 14:40 ` [PATCH v13 5/6] " Sui Jingfeng
2022-03-27 14:40   ` Sui Jingfeng

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