On Fri, Jan 27, 2017 at 11:29:53AM +0100, Florian Vaussard wrote: > Hi Maxime, > > On 01/26/2017 10:06 AM, Maxime Ripard wrote: > > The eMMC controller seem to have a maximum frequency of 200MHz, while the > > regular MMC controllers are capped at 150MHz. > > > > Since older SoCs cannot go that high, we cannot change the default maximum > > frequency, but fortunately for us we have a property for that in the DT. > > > > This also has the side effect of allowing to use the MMC HS200 and SD > > SDR104 modes for the boards that support it (with either 1.2v or 1.8v IOs). > > > > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > > > > arm64: allwinner: a64: Limit MMC0 and MMC1 rates to 150MHz > > > > Trying to set the bus to 200MHz on MMC1 when doing SDIO is failing. > > Allwinner sets the maximum for this bus to 150MHz, so enforce that limit. > > > > This hasn't been tested with MMC0, but the documented limit is the same, > > and I expect the behaviour to be the same. > > > > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> > > I suspect that you are trying to increase your number of Signed-off-by tags by > using unfair means :) Otherwise the squashed commit message is probably worth > some cleaning. /me hides in a corner... The first commit log is the right one, I'll remove the second. Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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