I am not sure I like this approach. For each and every writel (including pio_writes) you will add a few cpu cycles, since you need to check for "mclk_delayed_writes" no matter of variant.
How about, adding a new function pointer in the struct mmci_host, for "writel operations" which you could set up in probe phase instead?
Yes, this is an additional check for other variants. I will try the function pointer method that you suggested.
Thanks, srini
Kind regards Ulf Hansson
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