Re: [PATCH 1/1] drm: fsl-dcu: Use flat cache

2016-03-28 Thread Alexander Stein
On Friday 25 March 2016 09:24:28, Stefan Agner wrote: > Hi Alexander, > > On 2016-03-24 06:33, Alexander Stein wrote: > > Using REGCACHE_RBTREE for MMIO regmap is not valid as spinlock's will be > > used during cache allocation. > > > > This fixes the following bug: > > BUG: sleeping function cal

Re: [PATCH 1/1] drm: fsl-dcu: Use flat cache

2016-03-25 Thread Stefan Agner
Hi Alexander, On 2016-03-24 06:33, Alexander Stein wrote: > Using REGCACHE_RBTREE for MMIO regmap is not valid as spinlock's will be > used during cache allocation. > > This fixes the following bug: > BUG: sleeping function called from invalid context at mm/slab.h:388 > in_atomic(): 1, irqs_disab

[PATCH 1/1] drm: fsl-dcu: Use flat cache

2016-03-24 Thread Alexander Stein
Using REGCACHE_RBTREE for MMIO regmap is not valid as spinlock's will be used during cache allocation. This fixes the following bug: BUG: sleeping function called from invalid context at mm/slab.h:388 in_atomic(): 1, irqs_disabled(): 128, pid: 192, name: udevd [...] Signed-off-by: Alexander Stein