Re: [PATCH 1/6] ESDHC: add PIO mode support

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On Wed, Dec 14, 2011 at 10:19:37AM +0800, r66093@xxxxxxxxxxxxx wrote:
> From: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx>
> 
> For some FSL ESDHC controller(e.g. P2020E, Rev1.0), the SDHC can not work on
> DMA mode because of the hardware bug, so we set a broken dma flag and use
> PIO mode.
> 
> Signed-off-by: Gao Guanhua <B22826@xxxxxxxxxxxxx>
> Signed-off-by: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx>

NACK for the series

1) If you introduce a new property you always have to document the binding
which is missing. But you don't need to write it because...

2) ... the aproach seems wrong to me. The quirks should be set depending
on the compatible entry, e.g. if compatible == "this_controller" then
quirks |= whatever_needed. Or?

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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