[U-Boot] [PATCH] powerpc/esdhc: force the bus width to 4bit

Marek Vasut marex at denx.de
Fri Nov 2 04:40:55 CET 2012


Dear Huang Changming-R66093,

> Thanks, Jaehoon, I saw it.
> 
> Best Regards
> Jerry Huang

I wonder if you're just making fun of all of us or what you're actually trying 
to acomplish here with the constant top-posting ... I'm really stunned :-(

> > -----Original Message-----
> > From: Jaehoon Chung [mailto:jh80.chung at samsung.com]
> > Sent: Friday, November 02, 2012 10:03 AM
> > To: Huang Changming-R66093
> > Cc: Andy Fleming; Lukasz Majewski; Jaehoon Chung; Marek Vasut; u-
> > boot at lists.denx.de; Wen; Lei at theia.denx.de
> > Subject: Re: [U-Boot] [PATCH] powerpc/esdhc: force the bus width to 4bit
> > 
> > Hi,
> > 
> > Andy has sent the patch related with this problem.
> > Check the patch "[RFC] mmc: Properly determine maximum supported bus
> > width"
> > 
> > Best Regards,
> > Jaehoon Chung
> > 
> > >> decide the best workaround was to cripple our controller by
> > >> eliminating support for 8-bit?
> > > 
> > > I see 12bit width when using mmcinfo, then found out the mmc.c has
> > > been changed, and I assume this change is right, So I have to force our
> > 
> > controller to just support 4bit width, otherwise, the 12bit bus width is
> > not correct.
> > 
> > > _______________________________________________
> > > U-Boot mailing list
> > > U-Boot at lists.denx.de
> > > http://lists.denx.de/mailman/listinfo/u-boot

Best regards,
Marek Vasut


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