Paul >-----Original Message----- >From: Paul Walmsley [mailto:paul@xxxxxxxxx] >Sent: Thursday, December 11, 2008 12:15 PM >To: Pandita, Vikram >Cc: Steve Sakoman; Tony Lindgren; linux-omap; David Brownell; me@xxxxxxxxxxxxxxx; Jeff Steele >Subject: Re: status of USB on omap35xx ? > >Hi Vikram, > >looking at ehci-omap.c lines 190-204. Is there some reason why the >USBHOST clockdomain needs to be in software-supervised mode? Also, is >there some reason why the interface clock must be prevented from >auto-idling? This will cause problems with power management. All these checks were in place for initial debugging. There is no need to keep these check now. > > >- Paul > > /* PRCM settings for USBHOST: > * Interface clk un-related to domain transition > */ > cm_write_mod_reg(0 << OMAP3430ES2_AUTO_USBHOST_SHIFT, > OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); > > /* Disable sleep dependency with MPU and IVA */ > cm_write_mod_reg((0 << OMAP3430ES2_EN_MPU_SHIFT) | > (0 << OMAP3430ES2_EN_IVA2_SHIFT), > OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); > > /* Disable Automatic transition of clock */ > cm_write_mod_reg(0 << OMAP3430ES2_CLKTRCTRL_USBHOST_SHIFT, > OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL); > > > > -- 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
