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2022-05-22powerpc: Enable the DAWR on POWER9 DD2.3 and aboveReza Arbab1-9/+17
The hardware bug in POWER9 preventing use of the DAWR was fixed in DD2.3. Set the CPU_FTR_DAWR feature bit on these newer systems to start using it again, and update the documentation accordingly. The CPU features for DD2.3 are currently determined by "DD2.2 or later" logic. In adding DD2.3 as a discrete case for the first time here, I'm carrying the quirks of DD2.2 forward to keep all behavior outside of this DAWR change the same. This leaves the assessment and potential removal of those quirks on DD2.3 for later. Signed-off-by: Reza Arbab <arbab@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220503170152.23412-1-arbab@linux.ibm.com
2021-03-31docs: powerpc: Fix misspellings and grammar errorsHe Ying1-1/+1
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: He Ying <heying24@huawei.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210326100853.173586-1-heying24@huawei.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-07-17docs: powerpc: convert docs to ReST and rename to *.rstMauro Carvalho Chehab1-0/+93
Convert docs to ReST and add them to the arch-specific book. The conversion here was trivial, as almost every file there was already using an elegant format close to ReST standard. The changes were mostly to mark literal blocks and add a few missing section title identifiers. One note with regards to "--": on Sphinx, this can't be used to identify a list, as it will format it badly. This can be used, however, to identify a long hyphen - and "---" is an even longer one. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> # cxl