> -----Original Message----- > From: Cousson, Benoit > Sent: Wednesday, August 04, 2010 4:06 PM > To: Shilimkar, Santosh > Cc: G, Manjunath Kondaiah; Kevin Hilman; linux-omap@xxxxxxxxxxxxxxx; Paul > Walmsley; Tony Lindgren; Sawant, Anand; Nayak, Rajendra; Basak, Partha; > Varadarajan, Charulatha > Subject: Re: [PATCH 04/11] OMAP3: DMA: HWMOD: Add hwmod data structures > <snip> > >> > >> The point is to "enable" the device when at least one channel is in use > >> and "disable" it when every channel are released. We do have only one > >> DMA IP that managed several channels, since pm_runtime is doing > >> reference counting, we can call get for each channel request and put > for > >> each release. > >> Did I miss something? > > We are saying same thing more or less :) > > That was my impression as well, but I was not sure :-) > > > Since it's one IP, and say have one clock, then doing per channel > runtime > > get/put is redundant, No? > > If the DMA driver is already counting the number of channel in use, > you're right we can avoid that. It is already the case today? > Yes. That's the case I was refrering -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
