arm-soc: one more bug fix for 3.6

Here's a bugfix for orion5x. Without this, PCI doesn't initialize properly
 because of too small coherent pool to cover the allocations needed.
 
 A similar fix has already been done on kirkwood.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull one more arm-soc bugfix from Olof Johansson:
 "Here's a bugfix for orion5x.  Without this, PCI doesn't initialize
  properly because of too small coherent pool to cover the allocations
  needed.

  A similar fix has already been done on kirkwood."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: Orion5x: Fix too small coherent pool.
This commit is contained in:
Linus Torvalds 2012-09-27 15:47:24 -07:00
commit e556cb3e33
1 changed files with 7 additions and 0 deletions

View File

@ -204,6 +204,13 @@ void __init orion5x_wdt_init(void)
void __init orion5x_init_early(void)
{
orion_time_set_base(TIMER_VIRT_BASE);
/*
* Some Orion5x devices allocate their coherent buffers from atomic
* context. Increase size of atomic coherent pool to make sure such
* the allocations won't fail.
*/
init_dma_coherent_pool_size(SZ_1M);
}
int orion5x_tclk;