Greg KH gregkh@linuxfoundation.org writes:
On Mon, Mar 26, 2018 at 01:23:44PM -0700, Kevin Hilman wrote:
On Fri, Mar 2, 2018 at 5:44 AM, Jerome Brunet jbrunet@baylibre.com wrote:
Different modules maybe installed by the user on the eMMC connector of the odroid-c2. While the red modules are working without an issue, it seems some black modules (apparently Samsung based) are having issue at 200MHz
While the tuning algorithm introduced in v4.14 enables high speed modes on every other tested designs, it seems a problem remains for this particular combination of board and eMMC module.
Lowering the maximum frequency of the eMMC on this board until we can figure out a better solution.
Fixes: d341ca88eead ("mmc: meson-gx: rework tuning function") Suggested-by: Ellie Reeves ellierevves@gmail.com Signed-off-by: Jerome Brunet jbrunet@baylibre.com
Now in mainline as commit c04ffa71ff49 upstream.
Really? I do not see it in Linus's tree, are you sure about that?
$ git show c04ffa71ff49 fatal: ambiguous argument 'c04ffa71ff49': unknown revision or path not in the working tree.
Oops, you're right. It's still in arm-soc, not yet in mainline. Sorry for the noise.
Kevin