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

[Marek Vasut]

Dear Huang Changming-R66093,

Reposting _AGAIN_ because you again discarded the U-Boot ML address.

> Best Regards
> Jerry Huang

Can you please fix your mailer?

> > -----Original Message-----
> > From: Marek Vasut [mailto:marex at denx.de]
> > Sent: Thursday, November 01, 2012 10:26 AM
> > To: Huang Changming-R66093
> > Cc: Andy Fleming; u-boot at linux.freescale.net
> > Subject: Re: [PATCH] powerpc/esdhc: force the bus width to 4bit
> > 
> > Dear Huang Changming-R66093,
> > 
> > > Andy,
> > > Do you agree my suggest to revert these codes to fix this issue?
> > 
> > Please ... do us all a favor, read [1] and stop being so inconsiderate of
> > others! Given that I can no longer make any sense of this thread because
> > of your
> > top-posting making it complete utmost mess, my opinion is NAK on
> > reverting them.
> > 
> > [1] http://www.ietf.org/rfc/rfc1855.txt
> 
> Then, could you give some suggest, how to fix the 12bit-width issue?

see drivers/mmc/mmc.c:

1089 width = ((mmc->host_caps & MMC_MODE_MASK_WIDTH_BITS) >>
1090          MMC_MODE_WIDTH_BITS_SHIFT);

Fix this snipped of code and the related code below ... that's the way to go 
about it.

Best regards,
Marek Vasut