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[0/3] USB: host: ohci-at91: tailor power consumption

Message ID 20190911064154.28633-1-nicolas.ferre@microchip.com (mailing list archive)
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Series USB: host: ohci-at91: tailor power consumption | expand

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Nicolas Ferre Sept. 11, 2019, 6:41 a.m. UTC 
Following a set of experiments we found areas of improvement for OHCI power
consumption (and associated USB analog cells).
This enhances the shutdown of residual power consumption in case of Linux
suspend/resume and removal of the driver (when compiled as a module).

Best regards,
  Nicolas

Boris Krasnovskiy (2):
  USB: host: ohci-at91: completely shutdown the controller in
    at91_stop_hc()
  USB: host: ohci-at91: resume: balance the clock start call

Nicolas Ferre (1):
  USB: host: ohci-at91: suspend: delay needed before to stop clocks

 drivers/usb/host/ohci-at91.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Comments

Alan Stern Sept. 11, 2019, 3:09 p.m. UTC | #1 
On Wed, 11 Sep 2019, Nicolas Ferre wrote:

> Following a set of experiments we found areas of improvement for OHCI power
> consumption (and associated USB analog cells).
> This enhances the shutdown of residual power consumption in case of Linux
> suspend/resume and removal of the driver (when compiled as a module).
> 
> Best regards,
>   Nicolas
> 
> Boris Krasnovskiy (2):
>   USB: host: ohci-at91: completely shutdown the controller in
>     at91_stop_hc()
>   USB: host: ohci-at91: resume: balance the clock start call
> 
> Nicolas Ferre (1):
>   USB: host: ohci-at91: suspend: delay needed before to stop clocks
> 
>  drivers/usb/host/ohci-at91.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

For all three patches:

Acked-by: Alan Stern <stern@rowland.harvard.edu>