Patchwork [4/8] ppc/pnv: initialize DMA for PEs

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Submitter Gavin Shan
Date June 25, 2012, 3:43 p.m.
Message ID <1340639001-28152-5-git-send-email-shangw@linux.vnet.ibm.com>
Download mbox | patch
Permalink /patch/167141/
State Superseded
Delegated to: Benjamin Herrenschmidt
Headers show

Comments

Gavin Shan - June 25, 2012, 3:43 p.m.
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 <shangw@linux.vnet.ibm.com>
Reviewed-by: Ram Pai <linuxram@us.ibm.com>
Reviewed-by: Richard Yang <weiyang@linux.vnet.ibm.com>
---
 arch/powerpc/platforms/powernv/pci-ioda.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

Patch

diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 1071820..f0ae647 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -1243,10 +1243,20 @@  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();
 }
 
 /* Prevent enabling devices for which we couldn't properly