diff options
| author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2016-05-03 08:41:34 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 14:54:22 +0300 |
| commit | 801846d1deff943114f6f468b21386247b008321 (patch) | |
| tree | 65c78954fbe0b38a3bad747016fbfe2e54be263b /arch/powerpc/platforms/powernv/pci.h | |
| parent | acce971c0e72c63cc2247e2412375e13a0be1ee1 (diff) | |
| download | linux-801846d1deff943114f6f468b21386247b008321.tar.xz | |
powerpc/powernv: Remove DMA32 PE list
PEs are put into PHB DMA32 list (phb->ioda.pe_dma_list) according
to their DMA32 weight. The PEs on the list are iterated to setup
their TCE32 tables at system booting time. The list is used for
once at boot time and no need to keep it.
This moves the logic calculating DMA32 weight of PHB and PE to
pnv_ioda_setup_dma() to drop PHB's DMA32 list. Also, every PE
traces the consumed DMA32 segment by @tce32_seg and @tce32_segcount
are useless and they're removed.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/powernv/pci.h')
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.h | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index a409165be868..117cfcd653e3 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -53,14 +53,7 @@ struct pnv_ioda_pe { /* PE number */ unsigned int pe_number; - /* "Weight" assigned to the PE for the sake of DMA resource - * allocations - */ - unsigned int dma_weight; - /* "Base" iommu table, ie, 4K TCEs, 32-bit DMA */ - int tce32_seg; - int tce32_segcount; struct iommu_table_group table_group; /* 64-bit TCE bypass region */ @@ -78,7 +71,6 @@ struct pnv_ioda_pe { struct list_head slaves; /* Link in list of PE#s */ - struct list_head dma_link; struct list_head list; }; @@ -169,17 +161,6 @@ struct pnv_phb { /* 32-bit TCE tables allocation */ unsigned long tce32_count; - /* Total "weight" for the sake of DMA resources - * allocation - */ - unsigned int dma_weight; - unsigned int dma_pe_count; - - /* Sorted list of used PE's, sorted at - * boot for resource allocation purposes - */ - struct list_head pe_dma_list; - /* TCE cache invalidate registers (physical and * remapped) */ |