thanks for your good response. Venkii, On Tue, Sep 7, 2010 at 6:54 PM, Ming Lei <tom.leiming@xxxxxxxxx> wrote: > 2010/9/7 venki kaps <venkiece2005@xxxxxxxxx>: >> Dear USB experts, >> >> Is the same fix valid for omap3430 + 2.6.32 Kernel? >> >> I have been facing mp3 playback idle current consumption 20mA more >> after booting without USB cable connected >> but If USB cable detach and attach happen, then able to hit proper >> values otherwise irrespective of cold/warm reset >> the current values increases to 20mA. >> >> with cable, >> OTG_SYSCONFIG standby mode of operation - SMART idle >> HSOTGUSB_STANDBY - SMART standby >> >> without cable, >> OTG_SYSCONFIG standby mode of operation - SMART idle >> HSOTGUSB_STANDBY - Active >> >> Even i have applied patch but still the same issue. > > Are you applying the patch below? > > http://marc.info/?l=linux-omap&m=128378686221264&w=2 > > The patch(USB: otg: twl4030: fix phy initialization(v1)) above is against > 2.6.36-rc3, I don't think you can apply it directly on 2.6.32. And the patch > is introduced to fix the problems caused by > > commit 461c317705eca5cac09a360f488715927fd0a927. > > which change is committed into mainline 2.6.36-rc3. >>> Yes, this patch i have applied. >> >> If i use __twl4030_phy_power(twl, 0) at the end of USB LDO initialization, > > If you apply this patch against 2.6.36-rc3, you will find > __twl4030_phy_power(twl, 0) is always called from .probe > if you don't connect musb with PC via cable when powering on. > >> then able to hit proper values but USB ADC values are getting in correct >> with Travel adapter (Charger power supply) which means temperature >> shows 84 instead of 26~30 degrees. >> >> Queries, >> ----------- >> - Is Errata 1.164 fix : OTG idle will work on 3430? > > No such errata found in ti wetsite, could you give a link? In Zoom3 git,pm34xx.c file /* * Errata 1.164 fix : OTG autoidle can prevent * sleep. enable/disable iclk over OFF. */ cm_rmw_mod_reg_bits(OMAP3430_EN_HSOTGUSB, 0x0, CORE_MOD, CM_ICLKEN1); > >> - USBOTG_SUSPEND is enabled in Kernel 32, will it give any impact? > > Kernel does not have USBOTG_SUSPEND config option. Do you > mean USB_SUSPEND? If so, it is nothing to do with your issue since > it is only valid for host driver. Also for your case, musb works at > b-idle state. > Yes,CONFIG_USB_SUSPEND. >> - Is there anything missed from Power management idle path (or) >> USB OTG controller/Transreceiver driver part? > > Maybe with transreceiver part, musb doesn't support runtime pm now. > >> >> Could you please provide the best approach to solve my issue? > > Sorry, this patch is not for your issue, as said above. > > > -- > Lei Ming > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
