ohci-ssb driver on a Broadcom BCM5354

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The 5354 has a dual ohci/ehci usb core. It's in an ASUS WL520gu wifi router. The ohci hcd driver registers, but times out reading a descriptor from the device.

Any suggestions on how to track down the problem?

I'm using 2.6.32.1 kernel from the openwrt project with the "ohci SSB bus glue" and "Fix ohci-ssb with !CONFIG_PM" patches from linux-mips. If there is a better test frame, let me know and I'll build it and test that.

Is this driver known to work with some combination of Broadcom hardware?

The ohci/usb interface does work w/ the software provided with the WL520gu.

Steve

usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb ohci_hcd ssb0:1: SSB OHCI Controller ohci_hcd ssb0:1: new USB bus registered, assigned bus number 1 ohci_hcd ssb0:1: irq 5, io mem 0x18003000 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected USB Universal Host Controller Interface driver v3.0 Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. usb 1-1: new full speed USB device using ohci_hcd and address 2 usb 1-1: device descriptor read/64, error -145

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root@OpenWrt:/# cat /proc/bus/usb/devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=0000 ProdID=0000 Rev= 2.06 S: Manufacturer=Linux 2.6.23.1 ssb-usb-ohci S: Product=SSB OHCI Controller S: SerialNumber=ssb0:1 C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms

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