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ntb_hw_switchtec: Skip unnecessary re-setup of shared memory window for crosslink case

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In case of NTB crosslink topology, the setting of shared memory window in
the virtual partition doesn't reset on peer's reboot. So skip the
unnecessary re-setup of shared memory window for that case.

Signed-off-by: Wesley Sheng <wesley.sheng@microchip.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Wesley Sheng 2019-06-06 15:09:43 +08:00 committed by Jon Mason
parent 28e339f100
commit f0f43e766b
1 changed files with 3 additions and 0 deletions
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3
drivers/ntb/hw/mscc/ntb_hw_switchtec.c
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@ -1459,6 +1459,9 @@ static int switchtec_ntb_reinit_peer(struct switchtec_ntb *sndev)
{
int rc;
if (crosslink_is_enabled(sndev))
return 0;
dev_info(&sndev->stdev->dev, "reinitialize shared memory window\n");
rc = config_rsvd_lut_win(sndev, sndev->mmio_peer_ctrl, 0,
sndev->self_partition,