Messages in this thread | | | Date | Fri, 4 Jan 2013 08:50:31 +0300 | From | Dan Carpenter <> | Subject | Re: [PATCH v3 3/8] MFD:rtsx: Declare that the DMA address limitationis32bit explicitly |
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On Fri, Jan 04, 2013 at 10:46:22AM +0800, wwang wrote: > 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. >
Ah ok. Really none of the things I mentioned were stuff that prevented the patch from being merged or couldn't be fixed in follow on patches.
The thing is that the commit message should always say why a patch is needed.
regards, dan carpenter
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