On Fri, Jun 09, 2006 at 10:32:18AM +0530, kaustav.majumdar@xxxxxxxxx wrote: > > Hi all, > > We are developing a device driver for a PCMCIA based USB Host > Controller. > We are facing an issue in the operation of the driver under X Windows. > > In the PCMCIA client driver, we register a platform device. > Through this platform device, we are passing the resources to the Host > Controller Driver. > The HCD is using these resources for driving the Host Controller. > > The issue arises for the following situation under X Windows. > 1. Insert a USB mass storage device > 2. Mount the device. > 3. While transfer is in progress, remove the PC card. > > In this situation, we have noted that the platform_device.dev.release > function is not getting called. > If we do not mount the device, then the release function is getting > called. > Can anyone please tell why this may be happening? > > When we operate from console, we are not facing the issue. > In that case the release function is getting called properly. > Then does the issue have anything to do with X Windows? Perhaps HAL has a sysfs file for the device held open? Is this really a problem? And why not just use the existing USB host controller drivers? Also, what kernel version are you using, and do you have a pointer to your code so that we see if you are doing something wrong? thanks, greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
