On Thu, 2024-03-28 at 12:34 +0000, Tudor Ambarus wrote: > All samsung MUX clocks that are defined with MUX() set the > CLK_SET_RATE_NO_REPARENT flag in __MUX(), which prevents MUXes to be > reparented during clk_set_rate(). > > Introduce nMUX() for MUX clocks that can be reparented on clock rate > change. "nMUX" comes from "n-to-1 selector", hopefully emphasising that > the selector can change on clock rate changes. Ideally MUX/MUX_F() > should change to not have the CLK_SET_RATE_NO_REPARENT flag set by > default, and all their users to be updated to add the flag back > (like in the case of DIV and GATE). But this is a very intrusive change > and because for now only GS101 allows MUX reparenting on clock rate > change, stick with nMUX(). > > One user of nMUX() will be GS101. GS101 defines MUX clocks that > are dedicated for each instance of an IP (see MUX USI). The reparenting > of these MUX clocks will not affect other instances of the same IP or > different IPs altogether. > > Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> Reviewed-by: André Draszik <andre.draszik@xxxxxxxxxx>
