# \[PATCH 4/8\] ppc/pnv: initialize DMA for PEs - From: Gavin Shan \ - Date: 2012-08-20 13:49:56 - List: linuxppc-dev - Page: https://ratatoskr.run/linuxppc-dev/2012/08/9470858 - Thread: https://ratatoskr.run/linuxppc-dev/2012/08/9470856/t.md ```text The patch introduces additional wrapper function to call the original implementation so that the DMA can be configured for all existing PEs. Signed-off-by: Gavin Shan Reviewed-by: Ram Pai Reviewed-by: Richard Yang --- arch/powerpc/platforms/powernv/pci-ioda.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 96cdc61..09deab2 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1242,10 +1242,20 @@ static void __devinit pnv_pci_ioda_setup_seg(void) } } +static void __devinit pnv_pci_ioda_setup_DMA(void) +{ + struct pci_controller *hose, *tmp; + + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { + pnv_ioda_setup_dma(hose->private_data); + } +} + static void __devinit pnv_pci_ioda_fixup(void) { pnv_pci_ioda_setup_PEs(); pnv_pci_ioda_setup_seg(); + pnv_pci_ioda_setup_DMA(); } /* -- 1.7.5.4 ```