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

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>
alistair/sunxi64-5.4-dsi
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,