From: Christoph Hellwig <hch@lst.de>
Date: Tue, 29 Jan 2019 18:13:05 +0000 (+0100)
Subject: parisc: turn GET_IOC into an inline function
X-Git-Tag: v5.4-rc1~1537^2~12
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=25c9dbe8bb105d6eea3e3117344181970a6b9366;p=platform%2Fkernel%2Flinux-rpi.git

parisc: turn GET_IOC into an inline function

This makes the function both more readable and more typesafe.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/drivers/parisc/iommu.h b/drivers/parisc/iommu.h
index 5a38b63..d6fd3ab 100644
--- a/drivers/parisc/iommu.h
+++ b/drivers/parisc/iommu.h
@@ -26,10 +26,14 @@ static inline void *parisc_walk_tree(struct device *dev)
 	return dev->platform_data;
 }
 
-#define GET_IOC(dev) ({					\
-	void *__pdata = parisc_walk_tree(dev);		\
-	__pdata ? HBA_DATA(__pdata)->iommu : NULL;	\
-})
+static inline struct ioc *GET_IOC(struct device *dev)
+{
+	struct pci_hba_data *pdata = parisc_walk_tree(dev);
+
+	if (!pdata)
+		return NULL;
+	return pdata->iommu;
+}
 
 #ifdef CONFIG_IOMMU_CCIO
 void *ccio_get_iommu(const struct parisc_device *dev);