[RFT 06/11] mmc: sdhci-brcmstb: Simplify with optional clock and dev_err_probe()

[Florian Fainelli]

On 9/2/2020 12:36 PM, Krzysztof Kozlowski wrote:
> Only -ENOENT from devm_clk_get() means that clock is not present in
> device tree.  Other errors have their own meaning and should not be
> ignored.
> 
> Simplify getting the clock which is in fact optional and also use
> dev_err_probe() for handling deferred.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>

This is actually an open coded version of devm_clk_get_optional(), so 
this is fine:

Acked-by: Florian Fainelli <f.fainelli at gmail.com>
-- 
Florian