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authorHelge Deller <deller@gmx.de>2018-10-19 22:06:36 +0200
committerHelge Deller <deller@gmx.de>2018-10-19 22:22:07 +0200
commitfe8376dbbd6ac1febb0fd6389e3ec4f349e70c71 (patch)
tree3dcb2f4532311bf1be2411ba659e164129cfe1e7 /arch/parisc/kernel/pacache.S
parentparisc: Drop two instructions from pte lookup code (diff)
downloadlinux-dev-fe8376dbbd6ac1febb0fd6389e3ec4f349e70c71.tar.xz
linux-dev-fe8376dbbd6ac1febb0fd6389e3ec4f349e70c71.zip
parisc: Add PDC PAT cell_info() and pd_get_pdc_revisions() functions
Add wrappers for the PDC_PAT_CELL_GET_INFO and PDC_PAT_PD_GET_PDC_INTERF_REV PAT PDC subfunctions. Both provide access to the PAT capability bitfield which can guide us if simultaneous PTLBs are allowed on the bus, and if firmware will rendezvous all processors within PDCE_Check in case of an HPMC. Signed-off-by: Helge Deller <deller@gmx.de>
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