Searched hist:"9262 c19d" (Results 1 – 3 of 3) sorted by relevance
/openbmc/linux/drivers/usb/core/ |
H A D | hub.h | 9262c19d Tue May 20 20:08:12 CDT 2014 Dan Williams <dan.j.williams@intel.com> usb: disable port power control if not supported in wHubCharacteristics
A hub indicates whether it supports per-port power control via the wHubCharacteristics field in its descriptor. If it is not supported a hub will still emulate ClearPortPower(PORT_POWER) requests by stopping the link state machine. However, since this does not save power do not bother suspending.
This also consolidates support checks into a hub_is_port_power_switchable() helper.
Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 9262c19d Tue May 20 20:08:12 CDT 2014 Dan Williams <dan.j.williams@intel.com> usb: disable port power control if not supported in wHubCharacteristics A hub indicates whether it supports per-port power control via the wHubCharacteristics field in its descriptor. If it is not supported a hub will still emulate ClearPortPower(PORT_POWER) requests by stopping the link state machine. However, since this does not save power do not bother suspending. This also consolidates support checks into a hub_is_port_power_switchable() helper. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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H A D | port.c | 9262c19d Tue May 20 20:08:12 CDT 2014 Dan Williams <dan.j.williams@intel.com> usb: disable port power control if not supported in wHubCharacteristics
A hub indicates whether it supports per-port power control via the wHubCharacteristics field in its descriptor. If it is not supported a hub will still emulate ClearPortPower(PORT_POWER) requests by stopping the link state machine. However, since this does not save power do not bother suspending.
This also consolidates support checks into a hub_is_port_power_switchable() helper.
Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 9262c19d Tue May 20 20:08:12 CDT 2014 Dan Williams <dan.j.williams@intel.com> usb: disable port power control if not supported in wHubCharacteristics A hub indicates whether it supports per-port power control via the wHubCharacteristics field in its descriptor. If it is not supported a hub will still emulate ClearPortPower(PORT_POWER) requests by stopping the link state machine. However, since this does not save power do not bother suspending. This also consolidates support checks into a hub_is_port_power_switchable() helper. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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H A D | hub.c | 9262c19d Tue May 20 20:08:12 CDT 2014 Dan Williams <dan.j.williams@intel.com> usb: disable port power control if not supported in wHubCharacteristics
A hub indicates whether it supports per-port power control via the wHubCharacteristics field in its descriptor. If it is not supported a hub will still emulate ClearPortPower(PORT_POWER) requests by stopping the link state machine. However, since this does not save power do not bother suspending.
This also consolidates support checks into a hub_is_port_power_switchable() helper.
Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 9262c19d Tue May 20 20:08:12 CDT 2014 Dan Williams <dan.j.williams@intel.com> usb: disable port power control if not supported in wHubCharacteristics A hub indicates whether it supports per-port power control via the wHubCharacteristics field in its descriptor. If it is not supported a hub will still emulate ClearPortPower(PORT_POWER) requests by stopping the link state machine. However, since this does not save power do not bother suspending. This also consolidates support checks into a hub_is_port_power_switchable() helper. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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