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devicetree: add helper inline for retrieving a node's full name

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The pattern (np ? np->full_name : "<none>") is rather common in the
kernel, but can also make for quite long lines.  This patch adds a new
inline function, of_node_full_name() so that the test for a valid node
pointer doesn't need to be open coded at all call sites.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Grant Likely
2012-06-15 11:50:25 -06:00
committed by Rob Herring
parent 1af4c7f18a
commit 74a7f08448
10 changed files with 25 additions and 21 deletions
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2
arch/powerpc/platforms/pseries/iommu.c
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@@ -1051,7 +1051,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
if (!pdn || !PCI_DN(pdn)) {
printk(KERN_WARNING "pci_dma_dev_setup_pSeriesLP: "
"no DMA window found for pci dev=%s dn=%s\n",
pci_name(dev), dn? dn->full_name : "<null>");
pci_name(dev), of_node_full_name(dn));
return;
}
pr_debug(" parent is %s\n", pdn->full_name);