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* [Intel-wired-lan] [PATCH v1] igc: Set QBVCYCLET_S to 0 for TSN Basic Scheduling
@ 2021-07-09 23:40 Muhammad Husaini Zulkifli
  2021-07-20 12:31 ` Fuxbrumer, Dvora
  0 siblings, 1 reply; 2+ messages in thread
From: Muhammad Husaini Zulkifli @ 2021-07-09 23:40 UTC (permalink / raw)
  To: intel-wired-lan

According to datasheet section 8.12.19, when there's no TSN offloading
Shadow_QbvCycle bit[29:0] must be set to zero for basic scheduling.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
---
 drivers/net/ethernet/intel/igc/igc_tsn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c
index 174103c4bea6..4dbbb8a32ce9 100644
--- a/drivers/net/ethernet/intel/igc/igc_tsn.c
+++ b/drivers/net/ethernet/intel/igc/igc_tsn.c
@@ -52,7 +52,7 @@ static int igc_tsn_disable_offload(struct igc_adapter *adapter)
 		wr32(IGC_ENDQT(i), NSEC_PER_SEC);
 	}
 
-	wr32(IGC_QBVCYCLET_S, NSEC_PER_SEC);
+	wr32(IGC_QBVCYCLET_S, 0);
 	wr32(IGC_QBVCYCLET, NSEC_PER_SEC);
 
 	adapter->flags &= ~IGC_FLAG_TSN_QBV_ENABLED;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [Intel-wired-lan] [PATCH v1] igc: Set QBVCYCLET_S to 0 for TSN Basic Scheduling
  2021-07-09 23:40 [Intel-wired-lan] [PATCH v1] igc: Set QBVCYCLET_S to 0 for TSN Basic Scheduling Muhammad Husaini Zulkifli
@ 2021-07-20 12:31 ` Fuxbrumer, Dvora
  0 siblings, 0 replies; 2+ messages in thread
From: Fuxbrumer, Dvora @ 2021-07-20 12:31 UTC (permalink / raw)
  To: intel-wired-lan

On 7/10/2021 02:40, Muhammad Husaini Zulkifli wrote:
> According to datasheet section 8.12.19, when there's no TSN offloading
> Shadow_QbvCycle bit[29:0] must be set to zero for basic scheduling.
> 
> Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
> ---
>   drivers/net/ethernet/intel/igc/igc_tsn.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2021-07-20 12:31 UTC | newest]

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2021-07-09 23:40 [Intel-wired-lan] [PATCH v1] igc: Set QBVCYCLET_S to 0 for TSN Basic Scheduling Muhammad Husaini Zulkifli
2021-07-20 12:31 ` Fuxbrumer, Dvora

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