Hi, > -----Original Message----- > From: ext Felipe Balbi [mailto:balbi@xxxxxx] > Sent: 10. maaliskuuta 2011 12:23 > To: Jokiniemi Kalle (Nokia-MS/Tampere) > Cc: felipe.balbi@xxxxxx; linux-usb@xxxxxxxxxxxxxxx > Subject: Re: [RFC PATCH 0/1]: Fix ISP1707 suspend on n900 > > Hi, > > On Thu, Mar 10, 2011 at 12:00:45PM +0200, Kalle Jokiniemi wrote: > > I'm currently working on fixing the power management issues in N900 > > MeeGo release. There is one big power consumer occurring which is the > > ISP1707 USB tranceiver. It is taking ~14mA power all the time > > regardless of cable being plugged in the device or not. > > > > I got the problem fixed with following patch in the MeeGo 2.6.37 based > > kernel, but the same fix does not seem to help with upstream linux-usb. > > > > Do you have any ideas why it did not work, or how we could make the > > suspending work in upstream linux-usb? > > No ideas, sorry. But when you say that it doesn't work, what do you mean? > Did you very the bit got written ? What happens to power consumption ? > Never drops ? The power consumption never dropped. Did not check any registers, I'm not too familiar with the musb driver. But I'll put in some debug code to see how the suspend bit is set. - Kalle > > -- > balbi -- 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
