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6cccb3bb05
The original Open Systems Adapter (OSA) was introduced by IBM in the mid-90s. These were then superseded by OSA-Express in 1999 which used Queued Direct IO to greatly improve throughput. The newer cards retained the older, slower non-QDIO (OSE) modes for compatibility with older systems. In Linux, the lcs driver was responsible for cards operating in the older OSE mode and the qeth driver was introduced to allow the OSA-Express cards to operate in the newer QDIO (OSD) mode. For an S390 machine from 1998 or later, there is no reason to use the OSE mode and lcs driver as all OSA cards since 1999 provide the faster OSD mode. As a result, it's been years since we have heard of a customer configuration involving the lcs driver. This patch removes the lcs driver. The technology it supports has been obsolete for past 25+ years and is irrelevant for current use cases. Reviewed-by: Alexandra Winter <wintera@linux.ibm.com> Acked-by: Heiko Carstens <hca@linux.ibm.com> Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Aswin Karuvally <aswin@linux.ibm.com> Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250204103135.1619097-1-wintera@linux.ibm.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| .. | ||
| 3270.ChangeLog | ||
| 3270.rst | ||
| cds.rst | ||
| common_io.rst | ||
| config3270.sh | ||
| driver-model.rst | ||
| features.rst | ||
| index.rst | ||
| mm.rst | ||
| monreader.rst | ||
| pci.rst | ||
| qeth.rst | ||
| s390dbf.rst | ||
| text_files.rst | ||
| vfio-ap-locking.rst | ||
| vfio-ap.rst | ||
| vfio-ccw.rst | ||
| zfcpdump.rst | ||