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igc: Remove delay during TX ring configuration

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[ Upstream commit cca28ceac7 ]

Remove unnecessary delay during the TX ring configuration.
This will cause delay, especially during link down and
link up activity.

Furthermore, old SKUs like as I225 will call the reset_adapter
to reset the controller during TSN mode Gate Control List (GCL)
setting. This will add more time to the configuration of the
real-time use case.

It doesn't mentioned about this delay in the Software User Manual.
It might have been ported from legacy code I210 in the past.

Fixes: 13b5b7fd6a ("igc: Add support for Tx/Rx rings")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Muhammad Husaini Zulkifli
2023-05-17 08:18:12 +08:00
committed by Greg Kroah-Hartman
parent b3540c0de8
commit f4b1f26251
1 changed files with 0 additions and 1 deletions
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1
drivers/net/ethernet/intel/igc/igc_main.c
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@@ -708,7 +708,6 @@ static void igc_configure_tx_ring(struct igc_adapter *adapter,
/* disable the queue */
wr32(IGC_TXDCTL(reg_idx), 0);
wrfl();
mdelay(10);
wr32(IGC_TDLEN(reg_idx),
ring->count * sizeof(union igc_adv_tx_desc));