On Mon, Jul 08, 2013 at 12:18:39PM -0500, Scott Wood wrote: > On 07/08/2013 02:16:04 AM, Haijun Zhang wrote: > >On T4240QDS board controllers has an unusable ADMA engine, so use > >SDMA instead. > >Also 3.0v is support on T4240QDS board even if the capacity > >detailed only 1.8v > >support. Without this quirk SD card will declare voltage not > >support and > > > >Signed-off-by: Haijun Zhang <haijun.zhang@xxxxxxxxxxxxx> > > ...and what? > > Why is this board-specific? Isn't the controller part of the SoC, > not part of the board? If it really is board-specific, could you be > more detailed about why (ideally with an erratum number), and check > the toplevel board compatible (or get the information from platform > code) rather than modify the device tree? Yup, and if anything, I would recommend to reuse voltage-ranges property, it is already implemented for mmc spi driver, drivers/mmc/host/of_mmc_spi.c Documentation/devicetree/bindings/mmc/mmc-spi-slot.txt Thanks, Anton -- 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
