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authorSanjay R Mehta <sanju.mehta@amd.com>2019-03-29 11:32:50 +0000
committerJon Mason <jdmason@kudzu.us>2019-09-23 17:20:27 -0400
commitae89339b08f3fe02457ec9edd512ddc3d246d0f8 (patch)
tree58a4c012a925cebe47c7e44416da18a5f8dabf1e /drivers/ntb/hw/mscc/ntb_hw_switchtec.c
parent4d856f72c10ecb060868ed10ff1b1453943fc6c8 (diff)
downloadlinux-ae89339b08f3fe02457ec9edd512ddc3d246d0f8.tar.bz2
ntb: point to right memory window index
second parameter of ntb_peer_mw_get_addr is pointing to wrong memory window index by passing "peer gidx" instead of "local gidx". For ex, "local gidx" value is '0' and "peer gidx" value is '1', then on peer side ntb_mw_set_trans() api is used as below with gidx pointing to local side gidx which is '0', so memroy window '0' is chosen and XLAT '0' will be programmed by peer side. ntb_mw_set_trans(perf->ntb, peer->pidx, peer->gidx, peer->inbuf_xlat, peer->inbuf_size); Now, on local side ntb_peer_mw_get_addr() is been used as below with gidx pointing to "peer gidx" which is '1', so pointing to memory window '1' instead of memory window '0'. ntb_peer_mw_get_addr(perf->ntb, peer->gidx, &phys_addr, &peer->outbuf_size); So this patch pass "local gidx" as parameter to ntb_peer_mw_get_addr(). Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/ntb/hw/mscc/ntb_hw_switchtec.c')
0 files changed, 0 insertions, 0 deletions