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stm32cube: stm32h7/h5: eth: Fix calculation of the tail pointer #257

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Merged
merged 4 commits into from
Feb 6, 2025
Merged

stm32cube: stm32h7/h5: eth: Fix calculation of the tail pointer #257

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be6ebe8
stm32cube: stm32h7: eth: Fix calculation of the tail pointer
erwango Jan 31, 2025
5837af2
stm32cube: stm32h5: eth: Fix calculation of the tail pointer
erwango Jan 31, 2025
83de1bf
ci: don't test on deprecated python versions
Aug 28, 2024
0f014fb
ci: update upload-artifact action to v4
Sep 9, 2024
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2 changes: 1 addition & 1 deletion stm32cube/stm32h5xx/drivers/src/stm32h5xx_hal_eth.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1218,7 +1218,7 @@ static void ETH_UpdateDescriptor(ETH_HandleTypeDef *heth)
if (heth->RxDescList.RxBuildDescCnt != desccount)
{
/* Set the tail pointer index */
tailidx = (descidx + 1U) % ETH_RX_DESC_CNT;
tailidx = (ETH_RX_DESC_CNT + descidx - 1U) % ETH_RX_DESC_CNT;

/* DMB instruction to avoid race condition */
__DMB();
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2 changes: 1 addition & 1 deletion stm32cube/stm32h7xx/drivers/src/stm32h7xx_hal_eth.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1218,7 +1218,7 @@ static void ETH_UpdateDescriptor(ETH_HandleTypeDef *heth)
if (heth->RxDescList.RxBuildDescCnt != desccount)
{
/* Set the tail pointer index */
tailidx = (descidx + 1U) % ETH_RX_DESC_CNT;
tailidx = (ETH_RX_DESC_CNT + descidx - 1U) % ETH_RX_DESC_CNT;

/* DMB instruction to avoid race condition */
__DMB();
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