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path: root/arch/s390/pci/pci_dma.c
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2013-01-08s390/pci: remove dead codeHeiko Carstens
Get rid of these: arch/s390/pci/pci_dma.c:16:29: warning: ‘zpci_ioat_dt’ defined but not used [-Wunused-variable] arch/s390/pci/pci.c:164:12: warning: ‘zpci_store_fib’ defined but not used [-Wunused-function] Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-12-14s390/pci: performance statistics and debug infrastructureJan Glauber
Add support for reading the PCI function measurement block counters provided by the hypervisor. Add two s390 debug features, one for critical errors and one for tracing and provide wrappers to log data. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-12-03s390/pci: fix potential NULL pointer dereference in dma_free_seg_table()Wei Yongjun
The dereference to 'zdev' should be moved below the NULL test. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-11-30s390/pci: DMA supportJan Glauber
Add DMA IOMMU support using 4K page table entries. Implement dma_map_ops. Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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