Re: [PATCH v4] mmc: add runtime and system power-management support to the MMCIF driver

2011-05-06 Thread Rafael J. Wysocki
On Friday, May 06, 2011, Guennadi Liakhovetski wrote: > On Thu, 5 May 2011, Rafael J. Wysocki wrote: > > > On Thursday, May 05, 2011, Guennadi Liakhovetski wrote: > > > Adding support for runtime power-management to the MMCIF driver allows > > > it to save power as long as no card is present. To a

Re: [PATCH v4] mmc: add runtime and system power-management support to the MMCIF driver

2011-05-06 Thread Guennadi Liakhovetski
On Thu, 5 May 2011, Rafael J. Wysocki wrote: > On Thursday, May 05, 2011, Guennadi Liakhovetski wrote: > > Adding support for runtime power-management to the MMCIF driver allows > > it to save power as long as no card is present. To also allow to turn > > off the power domain at that time, we rele

Re: [PATCH v4] mmc: add runtime and system power-management support to the MMCIF driver

2011-05-05 Thread Rafael J. Wysocki
On Thursday, May 05, 2011, Guennadi Liakhovetski wrote: > Adding support for runtime power-management to the MMCIF driver allows > it to save power as long as no card is present. To also allow to turn > off the power domain at that time, we release DMA channels during that > time, since on some sh-

[PATCH v4] mmc: add runtime and system power-management support to the MMCIF driver

2011-05-05 Thread Guennadi Liakhovetski
Adding support for runtime power-management to the MMCIF driver allows it to save power as long as no card is present. To also allow to turn off the power domain at that time, we release DMA channels during that time, since on some sh-mobile systems the DMA controller(s) and the MMCIF block belong