On Tue, Nov 07, 2017 at 05:09:30PM +0900, Masahiro Yamada wrote:
> Currently, tmio_mmc_ops is static data and tmio_mmc_host_probe()
> updates some hooks in the static data.  This is a problem when
> two or more instances call tmio_mmc_host_probe() and each of them
> requests to use its own card_busy/start_signal_voltage_switch.
> 
> We can borrow a solution from sdhci_alloc_host().  Copy the whole
> ops structure to host->mmc_host_ops, then override the hooks in
> malloc'ed data.  Constify tmio_mmc_ops since it is a template ops
> used by default.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>