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| author | Christoph Hellwig <hch@lst.de> | 2019-01-29 19:13:05 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2019-02-21 20:37:12 +0100 |
| commit | 25c9dbe8bb105d6eea3e3117344181970a6b9366 (patch) | |
| tree | bf18410b0dbf8854e15e1394eea3e0fa1bf74f8f /drivers/parisc/iommu.h | |
| parent | 9b8eeab019762fa43c5ffa6e2f8e1039f8e99157 (diff) | |
| download | lwn-25c9dbe8bb105d6eea3e3117344181970a6b9366.tar.gz lwn-25c9dbe8bb105d6eea3e3117344181970a6b9366.zip | |
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>
Diffstat (limited to 'drivers/parisc/iommu.h')
| -rw-r--r-- | drivers/parisc/iommu.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/parisc/iommu.h b/drivers/parisc/iommu.h index 5a38b635e963..d6fd3ab899ac 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); |