Each device specific implementation disables the hardware polling
differently. Harmonize this by providing a central helper. With
this
- disable polling at the very beginning
- remove unneeded sleeping (SDK does not need it too)
- add checks for regmap returncodes
Especially for RTL839x avoid to disable hardware polling at all.
It is enough that the port specific polling is disabled during
configuration.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/23230
Signed-off-by: Robert Marko <robimarko@gmail.com>
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