Jonas Karlman d11f0dac30
mmc: rockchip_dw_mmc: Fix get_mmc_clk return value ...
The get_mmc_clk ops is expected to set a clock rate and return the
configured rate as an unsigned value. However, if clk_set_rate fails,
e.g. using a fixed rate clock, a negative error value is returned.
The mmc core will treat this as a valid unsigned rate and tries to
configure a divider based on this bogus clock rate.
Use 0 as the return value when setting clock rate fails, the mmc core
will configure to use bypass mode instead of using a bogus divider.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se >
Reviewed-by: Kever Yang <kever.yang@rock-chips.com >
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d11f0dac30