Hi, there is a gross endianness violation in mos7720_interrupt_callback. You cannot assume that you can simply cast into unsigned int data coming over the wire.
Could you clarify which order is the correct wire order? Regards Oliver -- SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg) This signature is a legal requirement -------- --- linux-2.6.21-rc3-git7/drivers/usb/serial/mos7720.c.alt 2007-03-13 09:33:49.000000000 +0100 +++ linux-2.6.21-rc3-git7/drivers/usb/serial/mos7720.c 2007-03-13 09:34:32.000000000 +0100 @@ -103,8 +103,7 @@ { int result; int length; - __u32 *data; - unsigned int status; + __u8 *data; __u8 sp1; __u8 sp2; __u8 st; @@ -146,11 +145,16 @@ return; } - status = *data; - + /*FIXME: the old code is contrary to the comment above*/ +#if 0 sp1 = (status & 0xff000000)>>24; sp2 = (status & 0x00ff0000)>>16; st = status & 0x000000ff; +#endif + + sp1 = data[3]; + sp2 = data[2]; + st = data[0]; if ((sp1 & 0x01) || (sp2 & 0x01)) { /* No Interrupt Pending in both the ports */ ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel