Re: [PATCH] mmc: host: omap_hsmmc: add a verbose print to enable CONFIG_REGULATOR_PBIAS

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jan 14, 2016 at 11:40:25PM +0100, Sebastian Reichel wrote:
> On Thu, Jan 14, 2016 at 05:25:49PM +0000, Russell King - ARM Linux wrote:
> > There are very good reasons not to do this: that will result in
> > configurations where MMC_OMAP_HS was set but without REGULATOR_PBIAS
> > ending up with MMC_OMAP_HS being disabled.  That doesn't help the
> > root problem, which is "why has the kernel boot regressed for my
> > previous working configuration?"
> > 
> > The solution proposed here adds a message to the boot which points
> > out fair and square what needs to be done to rectify the boot
> > failure.  Adding a dependency just brings up the question "where
> > has my MMC driver gone?"
> 
> The best thing would be to have no regression. Just printing a
> message means I have to build another kernel. But more importantly
> the message may not be visible by the user - e.g. if the display has
> not yet been initialized.

I agree in principle, but that's not possible here (see Tony's mails
on why the PBIAS stuff needs to be optional.)  I'd agree with changing
the Kconfig if PBIAS were a hard and fast requirement, but it isn't.

-- 
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux