tree 403c65514e691a98c750c0fc85691443f9a70875
parent fb9462522991a50b95ea00fdbc495634bb6a7cca
author Rasmus Villemoes <rasmus.villemoes@prevas.dk> 1568279831 +0000
committer Stefano Babic <sbabic@denx.de> 1578389217 +0100

arm: mxs: be more careful when enabling gpmi_clk

The data sheet says that the DIV field cannot change while the CLKGATE
bit is set or modified. So do it a little more carefully, by first
clearing the bit, waiting for that to appear, then setting the DIV
field.

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>