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LAN9514/en: различия между версиями
Новая страница: «3) Linux, apparently, is not able to do suspend of a device therefore if so to drive the driver with the activated GPIOs in suspend, it will constantly Wake up an…»
(Новая страница: «LAN9514») |
(Новая страница: «3) Linux, apparently, is not able to do suspend of a device therefore if so to drive the driver with the activated GPIOs in suspend, it will constantly Wake up an…») |
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| (не показаны 2 промежуточные версии этого же участника) | |||
| Строка 4: | Строка 4: | ||
[http://www.smsc.com/Technologies/PHYBoost/LAN951x LAN9514] | [http://www.smsc.com/Technologies/PHYBoost/LAN951x LAN9514] | ||
== | == Power management == | ||
1) | 1) You can disable the Ethernet chip via [[Питание USB-портов/en|hubpower]] | ||
2) | 2) The driver can be sent to suspend2, while the consumption drops: | ||
<pre> | <pre> | ||
echo "0" > "/sys/bus/usb/devices/$port/power/autosuspend" | echo "0" > "/sys/bus/usb/devices/$port/power/autosuspend" | ||
| Строка 14: | Строка 14: | ||
</pre> | </pre> | ||
3) | 3) Linux, apparently, is not able to do suspend of a device therefore if so to drive the driver with the activated GPIOs in suspend, it will constantly Wake up and fall asleep back. | ||
Consumption does not seem to be growing much: | |||
<pre> | <pre> | ||
up + high 22.2 | up + high 22.2 | ||