diff options
Diffstat (limited to 'arch/s390/pci')
-rw-r--r-- | arch/s390/pci/pci_dma.c | 4 | ||||
-rw-r--r-- | arch/s390/pci/pci_event.c | 3 | ||||
-rw-r--r-- | arch/s390/pci/pci_insn.c | 12 |
3 files changed, 15 insertions, 4 deletions
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 1ea8c07eab84..070f1ae5cfad 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -226,7 +226,8 @@ static unsigned long __dma_alloc_iommu(struct device *dev, boundary_size = ALIGN(dma_get_seg_boundary(dev) + 1, PAGE_SIZE) >> PAGE_SHIFT; return iommu_area_alloc(zdev->iommu_bitmap, zdev->iommu_pages, - start, size, 0, boundary_size, 0); + start, size, zdev->start_dma >> PAGE_SHIFT, + boundary_size, 0); } static unsigned long dma_alloc_iommu(struct device *dev, int size) @@ -469,6 +470,7 @@ int zpci_dma_init_device(struct zpci_dev *zdev) * Also set zdev->end_dma to the actual end address of the usable * range, instead of the theoretical maximum as reported by hardware. */ + zdev->start_dma = PAGE_ALIGN(zdev->start_dma); zdev->iommu_size = min3((u64) high_memory, ZPCI_TABLE_SIZE_RT - zdev->start_dma, zdev->end_dma - zdev->start_dma + 1); diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index fb2a9a560fdc..c2b27ad8e94d 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -145,8 +145,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) default: break; } - if (pdev) - pci_dev_put(pdev); + pci_dev_put(pdev); } void zpci_event_availability(void *data) diff --git a/arch/s390/pci/pci_insn.c b/arch/s390/pci/pci_insn.c index 10ca15dcab11..fa8d7d4b9751 100644 --- a/arch/s390/pci/pci_insn.c +++ b/arch/s390/pci/pci_insn.c @@ -99,7 +99,7 @@ void zpci_set_irq_ctrl(u16 ctl, char *unused, u8 isc) } /* PCI Load */ -static inline int __pcilg(u64 *data, u64 req, u64 offset, u8 *status) +static inline int ____pcilg(u64 *data, u64 req, u64 offset, u8 *status) { register u64 __req asm("2") = req; register u64 __offset asm("3") = offset; @@ -116,6 +116,16 @@ static inline int __pcilg(u64 *data, u64 req, u64 offset, u8 *status) : "d" (__offset) : "cc"); *status = __req >> 24 & 0xff; + *data = __data; + return cc; +} + +static inline int __pcilg(u64 *data, u64 req, u64 offset, u8 *status) +{ + u64 __data; + int cc; + + cc = ____pcilg(&__data, req, offset, status); if (!cc) *data = __data; |