[patch 1/2] at91_udc.c read_fifo timing issue [patch 2/2] at91_udc.c use spinlocks instead of local_irq_xxx Used the patch from Ryan Mallon as baseline: subject: [PATCH] Updated: Fix soft lockup in at91 udc driver date: 14 January 2010 20:50 mailing list: linux-arm-kernel@lists.infradead.org Harro --