Messages in this thread | | | Date | Wed, 6 Feb 2019 13:20:08 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2 2/3] mmc: sunxi: Filter out unsupported modes declared in the device tree |
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On Tue, Feb 05, 2019 at 11:42:24PM +0800, Chen-Yu Tsai wrote: > The MMC device tree bindings include properties used to signal various > signalling speed modes. Until now the sunxi driver was accepting them > without any further filtering, while the sunxi device trees were not > actually using them. > > Since some of the H5 boards can not run at higher speed modes stably, > we are resorting to declaring the higher speed modes per-board. > > Regardless, having boards declare modes and blindly following them, > even without proper support in the driver, is generally a bad thing. > > Filter out all unsupported modes from the capabilities mask after > the device tree properties have been parsed. > > Cc: <stable@vger.kernel.org> > Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com [unhandled content-type:application/pgp-signature] | |