Re: [linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread David Brownell
On Monday 06 June 2005 1:37 pm, Alan Stern wrote: > On Mon, 6 Jun 2005, David Brownell wrote: > > > > What I'm curious about is whether there's something that usbcore > > is doing to the poor root hubs that make them disconnect devices. > > What could usbcore possibly do to make a hub disconnect

Re: [linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread Alan Stern
On Mon, 6 Jun 2005, David Brownell wrote: > Thing is, other folk have been complaining recently about cases > where devices seem to be spontaneously disconnecting from Linux. > (Often storage devices, for that matter.) And I'm wondering if > your setup can be used to turn up more information on t

Re: [linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread Alan Stern
On Mon, 6 Jun 2005, Jamie Guinan wrote: > > That's odd. While I'm not familiar with the details of OHCI or the > > LH7A404 driver, normally a host controller driver does not check the port > > status when communicating with a device. Port status is checked > > asynchronously by the hub driver

Re: [linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread David Brownell
On Monday 06 June 2005 12:03 pm, Jamie Guinan wrote: > > 2) Does the 0x30101 look like a sane response? I'm seeing 0x30100 > when I remove an IOGEAR media reader connected through via a > standard USB TypeA port. What's a bit curious is that the connect status bit change is set (CSC)

Re: [linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread Jamie Guinan
On Mon, 6 Jun 2005, Alan Stern wrote: > On Mon, 6 Jun 2005, Jamie Guinan wrote: > > > Hi, > > > > I'm running linux 2.6.11 (vanilla) on a custom board, with a > > Sharp LH7A404. > > > > .config: > > CONFIG_ARCH_LH7A40X=y > > CONFIG_ARCH_LH7A404=y > > > > I've been having problems with a US

Re: [linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread Alan Stern
On Mon, 6 Jun 2005, Jamie Guinan wrote: > Hi, > > I'm running linux 2.6.11 (vanilla) on a custom board, with a > Sharp LH7A404. > > .config: > CONFIG_ARCH_LH7A40X=y > CONFIG_ARCH_LH7A404=y > > I've been having problems with a USB storage chip connected to the > USB host interface (ST72F65,

[linux-usb-devel] USB storage problems, lh7a404

2005-06-06 Thread Jamie Guinan
Hi, I'm running linux 2.6.11 (vanilla) on a custom board, with a Sharp LH7A404. .config: CONFIG_ARCH_LH7A40X=y CONFIG_ARCH_LH7A404=y I've been having problems with a USB storage chip connected to the USB host interface (ST72F65, soldered on to the board). To detect media presence, I have a