From: wwang <wei_wang@realsil.com.cn>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "sameo@linux.intel.com" <sameo@linux.intel.com>,
"oakad@yahoo.com" <oakad@yahoo.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>,
"bp@alien8.de" <bp@alien8.de>, "cjb@laptop.org" <cjb@laptop.org>
Subject: Re: [PATCH v3 3/8] MFD:rtsx: Declare that the DMA address limitationis32bit explicitly
Date: Fri, 4 Jan 2013 10:46:22 +0800 [thread overview]
Message-ID: <50E6427E.1050809@realsil.com.cn> (raw)
In-Reply-To: <20130103122559.GF7247@mwanda>
于 2013年01月03日 20:25, Dan Carpenter 写道:
> On Fri, Dec 28, 2012 at 10:41:28AM +0800, wei_wang@realsil.com.cn wrote:
>> From: Wei WANG <wei_wang@realsil.com.cn>
>>
>> Realtek PCIe card reader only supports 32bit DMA
>>
> Is this a bugfix? If so what does the bug look like?
>
> regards,
> dan carpenter
>
Hi Dan:
No, this is not a bugfix. In default, the kernel will allocate 32bit
address for DMA. This declaration can improve the readability.
BR,
wei wang
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WARNING: multiple messages have this Message-ID (diff)
From: wwang <wei_wang@realsil.com.cn>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: "cjb@laptop.org" <cjb@laptop.org>,
"sameo@linux.intel.com" <sameo@linux.intel.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"oakad@yahoo.com" <oakad@yahoo.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"bp@alien8.de" <bp@alien8.de>,
"devel@linuxdriverproject.org" <devel@linuxdriverproject.org>
Subject: Re: [PATCH v3 3/8] MFD:rtsx: Declare that the DMA address limitationis32bit explicitly
Date: Fri, 4 Jan 2013 10:46:22 +0800 [thread overview]
Message-ID: <50E6427E.1050809@realsil.com.cn> (raw)
In-Reply-To: <20130103122559.GF7247@mwanda>
于 2013年01月03日 20:25, Dan Carpenter 写道:
> On Fri, Dec 28, 2012 at 10:41:28AM +0800, wei_wang@realsil.com.cn wrote:
>> From: Wei WANG <wei_wang@realsil.com.cn>
>>
>> Realtek PCIe card reader only supports 32bit DMA
>>
> Is this a bugfix? If so what does the bug look like?
>
> regards,
> dan carpenter
>
Hi Dan:
No, this is not a bugfix. In default, the kernel will allocate 32bit
address for DMA. This declaration can improve the readability.
BR,
wei wang
next prev parent reply other threads:[~2013-01-04 2:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-28 2:41 [PATCH v3 0/8] rtsx patchset for MFD and MMC tree wei_wang
2012-12-28 2:41 ` wei_wang
2012-12-28 2:41 ` [PATCH v3 1/8] MFD:rtsx: Fix typo in comment wei_wang
2012-12-28 2:41 ` wei_wang
2012-12-28 2:41 ` [PATCH v3 2/8] MFD:rtsx: Remove redundant code wei_wang
2012-12-28 2:41 ` wei_wang
2012-12-28 2:41 ` [PATCH v3 3/8] MFD:rtsx: Declare that the DMA address limitation is 32bit explicitly wei_wang
2012-12-28 2:41 ` wei_wang
2013-01-03 12:25 ` Dan Carpenter
2013-01-04 2:46 ` wwang [this message]
2013-01-04 2:46 ` [PATCH v3 3/8] MFD:rtsx: Declare that the DMA address limitationis32bit explicitly wwang
2013-01-04 5:50 ` Dan Carpenter
2012-12-28 2:41 ` [PATCH v3 4/8] MFD:rtsx: Add callback function switch_output_voltage wei_wang
2012-12-28 2:41 ` wei_wang
2012-12-28 2:41 ` [PATCH v3 5/8] MMC:rtsx: Using callback function to switch output voltage wei_wang
2012-12-28 2:41 ` wei_wang
2012-12-28 2:41 ` [PATCH v3 6/8] MFD:rtsx: Add callback function conv_clk_and_div_n wei_wang
2012-12-28 2:41 ` wei_wang
2013-01-03 12:42 ` Dan Carpenter
2012-12-28 2:41 ` [PATCH v3 7/8] MFD:rtsx: Fix checkpatch warning wei_wang
2012-12-28 2:41 ` wei_wang
2013-01-03 12:44 ` Dan Carpenter
2012-12-28 2:41 ` [PATCH v3 8/8] MFD:rtsx: Use macro defines to replace some variables wei_wang
2012-12-28 2:41 ` wei_wang
2013-01-03 14:11 ` [PATCH v3 0/8] rtsx patchset for MFD and MMC tree Dan Carpenter
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