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| author | Mike Habeck <habeck@sgi.com> | 2005-03-25 19:34:00 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-05-03 13:36:09 -0700 |
| commit | de7548d0e202263bb6bfd7574a7889e85a691937 (patch) | |
| tree | eee071a29e77fbfacc5dc6ff8c9c10d9dcc23f02 /arch/ia64/sn | |
| parent | bb0fc085457cf6a865b8232b0cefab3a7819df44 (diff) | |
| download | kernel_samsung_tuna-de7548d0e202263bb6bfd7574a7889e85a691937.zip kernel_samsung_tuna-de7548d0e202263bb6bfd7574a7889e85a691937.tar.gz kernel_samsung_tuna-de7548d0e202263bb6bfd7574a7889e85a691937.tar.bz2 | |
[IA64-SGI] Altix only: Fix for sn_dma_flush
The following patch fixes a bug in the SGI Altix sn_dma_flush code.
sn_dma_flush is broken in 2.6. The code isn't waiting for the DMA
data to be flushed out of the PIC ASIC. This patch is based off the
linux-ia64-test-2.6.12 tree
Signed-off-by: Mike Habeck <habeck@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn')
| -rw-r--r-- | arch/ia64/sn/pci/pcibr/pcibr_dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c index c906859..64af2b2 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c @@ -301,7 +301,7 @@ void sn_dma_flush(uint64_t addr) spin_lock_irqsave(&((struct sn_flush_device_list *)p)-> sfdl_flush_lock, flags); - p->sfdl_flush_value = 0; + *p->sfdl_flush_addr = 0; /* force an interrupt. */ *(volatile uint32_t *)(p->sfdl_force_int_addr) = 1; |